Cruisers, Light (CL)

Index
As of 1 December 1944

Name No. Class Page Name No. Class Page
Amsterdam CL 101 CL 55 Class 153 Mobile CL 63 CL 55 Class 153
Astoria CL 90 CL 55 Class 153 Montpelier CL 57 CL 55 Class 153
Atlanta CL 104 CL 55 Class 153 Nashville CL 43 CL 40 Class 137
Biloxi CL 80 CL 55 Class 153 Newark CL 108 CL 55 Class 153
Birmingham CL 62 CL 55 Class 153 New Haven CL 109 CL 55 Class 153
Boise CL 47 CL 40 Class 137 Oakland CL 95 CL 53 Class 149
Brooklyn CL 40 CL 40 Class 137 Oklahoma City CL 91 CL 55 Class 153
Buffalo CL 110 CL 55 Class 153 Omaha CL 4 CL 4 Class 125
Chattanooga CL 118 CL 55 Class 153 Pasadena CL 65 CL 55 Class 153
Cheyenne CL 117 CL 55 Class 153 Philadelphia CL 41 CL 40 Class 137
Cincinnati CL 6 CL 4 Class 125 Phoenix CL 46 CL 40 Class 137
Cleveland CL 55 CL 55 Class 153 Portsmouth CL 102 CL 55 Class 153
Columbia CL 56 CL 55 Class 153 Providence CL 82 CL 55 Class 153
Concord CL 10 CL 9 Class 133 Raleigh CL 7 CL 7 Class 129
Dayton CL 105 CL 55 Class 153 Reno CL 96 CL 53 Class 149
Denver CL 58 CL 55 Class 153 Richmond CL 9 CL 9 Class 133
Detroit CL 8 CL 7 Class 129 St. Louis CL 49 CL 49 Class 145
Duluth CL 87 CL 55 Class 153 San Diego CL 53 CL 53 Class 149
Fargo CL 106 CL 55 Class 153 San Juan CL 54 CL 53 Class 149
Flint CL 97 CL 53 Class 149 Santa Fe CL 60 CL 55 Class 153
Fresno CL 121 CL 53 Class 149 Savannah CL 42 CL 42 Class 141
Galveston CL 93 CL 55 Class 153 Spokane CL 120 CL 53 Class 149
Honolulu CL 48 CL 40 Class 137 Springfield CL 66 CL 55 Class 153
Houston CL 81 CL 55 Class 153 Tallahassee CL 116 CL 55 Class 153
Huntington CL 107 CL 55 Class 153 Topeka CL 67 CL 55 Class 153
Juneau CL 119 CL 53 Class 149 Trenton CL 11 CL 9 Class 133
Little Rock CL 92 CL 55 Class 153 Tucson CL 98 CL 53 Class 149
Manchester CL 83 CL 55 Class 53 Vicksburg CL 86 CL 55 Class 153
Marblehead CL 12 CL 9 Class 133 Vincennes CL 64 CL 55 Class 153
Memphis CL 13 CL 9 Class 133 Wilkes-Barre CL 103 CL 55 Class 153
Miami CL 89 CL 55 Class 153 Wilmington CL 111 CL 55 Class 153
Milwaukee CL 5 CL 4 Class 125 Youngstown CL 94 CL 55 Class 153

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DATA PERIOD 1942-1944 CL 4
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 9,500 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 4-6

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--125--

DATA PERIOD 1942-1944 CL 4 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CL 4-6

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 9,500 tons† Mean displacement 7,500 tons Mean displacement 9,500 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 819 724-921 468±21 669±8 27.9 11.1±0.1 7,690±160 10.9±0.1 7,290±160 75.1  
110 920 813-1,035 526±24 596±8 24.8 12.1±.1 7,470±160 11.9±.1 7,090±160 77.3  
120 1,034 914-1,163 591±26 530±7 22.1 13.2±.1 7,250±160 13.0±.1 6,890±150 79.5  
130 1,162 1,027-1,307 664±30 472±7 19.7 14.3±.1 6,990±160 14.1±.1 6,660±150 82.4  
140 1,306 1,155-1,469 746±33 420±7 17.5 15.3±.1 6,660±160 15.1±.1 6,340±150 86.5  
150 1,467 1,297-1,650 838±38 374±6 15.6 16.4±.1 6,350±150 16.2±.1 6,060±140 90.6  
160 1,649 1,458-1,855 942±42 332±6 13.8 17.4±.1 5,990±150 17.2±.1 5,710±140 95.9  
170 1,852 1,638-2,083 1,058±47 296±6 12.3 18.5±.1 5,660±150 18.2±.1 5,390±140 101.8  
180 2,082 1,841-2,342 1,190±53 263±5 11.0 19.5±.1 5,320±140 19.2±.1 5,050±130 108.4  
190 2,339 2,068-2,631 1,337±60 234±5 9.8 20.4±.1 5,000±140 20.1±.1 4,700±130 116.4  
200 2,629 2,325-2,957 1,502±67 208±5 8.7 21.3±.1 4,640±140 21.0±.1 4,370±130 125.2  
210 2,955 2,613-3,324 1,689±76 185±4 7.7 22.2±.1 4,310±140 21.8±.1 4,030±120 135.6  
220 3,320 2,936-3,735 1,897±85 165±4 6.9 23.1±.1 4,040±140 22.7±.1 3,750±120 146.3  
230 3,732 3,300-4,198 2,133±96 147±4 6.1 24.0±.1 3,740±140 23.6±.1 3,470±120 158.1  
240 4,194 3,708-4,718 2,397±107 131±4 5.5 25.0±.2 3,500±140 24 5±.1 3,210±120 171.2  
250 4,714 4,168-5,303 2,694±121 116±4 4.8 26.1±.2 3,260±140 25.4±.1 2,950±120 185.6  
260 5,299 4,685-5,961 3,028±136 103±3 4.3 27.0±.2 3,000±140 26.3±.1 2,710±110 201.5  
270 5,956 5,266-6,700 3,403±153 92±3 3.8 27.9±.2 2,760±110 27.2±.2 2,500±110 219.0  
280 6,694 5,919-7,530 3,825±171 82±3 3.4 28.8±.2 2,530±110 28.0±.2 2,300±110 239.1  
290 7,525 6,654-8,465 4,300±193 73±3 3.0 29.6±.2 2,340±110 28.8±.2 2,100±110 261.3  
300 8,459 7,479-9,516 4,834±217 65±3 2.7 30.3±.2 2,150±110 29.6±.2 1,920±110 285.8  
310 9,509 8,408-10,697 5,434±244 58±3 2.4 30.9±.2 1,980±110 30.1±.2 1,750±110 315.9  
320 10,690 9,452-12,025 6,109±274 51±3 2.1 31.4±.2 1,790±110 30.6±.2 1,560±110 349.3  
330 12,017 10,625-13,518 6,867±308 46±2 1.9 31.9±.2 1,630±110 31.1±.2 1,430±80 386.4  
340 13,510 11,946-15,198 7,720±346 41±2 1.7 32.4±.2 1,490±80 ‡31.6±.2 1,300±80 427.5  

* Same as maximum capacity (95%) for this class of vessels; see table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (90,000 s.h.p.).

--126

DATA PERIOD 1942-1944  
CL 4 CLASS
SHIPS IN CLASS:
CL 4-6

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
139.3 15.0 828±208 15.8±1.4
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
195 111 117.1
* Based on radius oil;,see table V,

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications,
see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 11'3" 11'10"
2 outboard 3 11'3" 11'10"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 544,028 12,953 1,964
Diesel oil capacity (95%) 4,082 97 13
Total: radius oil* 548,110 13,050 1,977
Additional fuel oil required to fill all tanks to 95% (emergency) 0 0 0
Total: maximum capacity (95%)* 548,110 13,050 1,977

Table IAA.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON MAXIMUM CAPACITY (95%)*

Data for Integral Ship Speeds

Speed Radius Endurance Fuel rate
Mean displacement 9,500 tons
Knots Engine miles Days Bbl./day
11 7,270 27.6 474
12 7,070 24.6 532
13 6,890 22.1 591
14 6,680 19.9 657
15 6,370 17.7 738
16 6,110 16.0 821
17 5,780 14.2 921
18 5,450 12.6 1,035
19 5,120 11.3 1,164
20 4,740 9.9 1,321
21 4,370 8.7 1,502
22 3,970 7.5 1,735
23 3,660 6.6 1,976
24 3,350 5.8 2,250
25 3,070 5.1 2,562
26 2,790 4.5 2,917
27 2,550 3.9 3,320
28 2,300 3.4 3,825
29 2,060 2.9 4,434
30 1,780 2.5 5,314
31 1,460 1.9 6,715
* See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 250 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. Omaha CL 4 9,300 101.7 100.3 98.9 97.5 96.0
U.S.S. Milwaukee CL 5 9,500 98.5 102.0 105.6 109.3 113.0
U.S.S. Cincinnati CL 6 9,500 99.8 97.6 95.4 93.2 91.0
* Table VI is used to adjust the class data in tables I and IAA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

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[B L A N K]

--128--

  CL 7
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 7, 8

A statistical study of the war service fuel consumption of the CL 7 Class will be issued when sufficient data are available.

--129-131--

[B L A N K]

--132--

DATA PERIOD 1943-1944 CL 9
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 9,900 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 9-13

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--133--

DATA PERIOD 1943-1944 CL CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CL 9-13

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 9,900 tons† Mean displacement 7,900 tons Mean displacement 9,900 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 719 638-807 411±18 769±8 32.0 11.1±0.1 8,870±190 11.0±0.1 8,460±170 65.4  
110 817 725-917 467±20 677±8 28.2 12.2±.1 8,590±170 12.1±.1 8,190±170 67.5  
120 927 822-1,040 530±23 597±7 24.9 13.3±.1 8,230±170 13.2±.1 7,880±160 70.2  
130 1,053 934-1,181 602±26 525±7 21.9 14.4±.1 7,860±160 14.3±.1 7,510±160 73.6  
140 1,196 1,061-1,342 683±30 463±7 19.3 15.5±.1 7,460±160 15.3±.1 7,080±160 78.2  
150 1,358 1,204-1,523 776±34 407±6 17.0 16.6±.1 7,020±150 16.3±.1 6,630±150 83.3  
160 1,542 1,368-1,730 881±39 359±6 15.0 17.7±.1 6,600±150 17.4±.1 6,250±150 88.6  
170 1,751 1,553-1,964 1,001±44 316±6 13.2 18.7±.1 6,210±150 18.4±.1 5,810±150 95.2  
180 1,989 1,764-2,231 1,137±50 278±5 11.6 19.7±.1 5,770±140 19.4±.1 5,390±130 102.5  
190 2,259 2,003-2,534 1,291±56 245±5 10.2 20.6±.1 5,310±140 20.3±.1 4,970±130 111.3  
200 2,566 2,276-2,879 1,466±64 216±5 9.0 21.5±.1 4,940±140 21.2±.1 4,580±130 121.0  
210 2,914 2,584-3,269 1,665±73 190±4 7.9 22.4±.1 4,520±140 22.1±.1 4,200±130 131.9  
220 3,310 2,936-3,713 1,891±83 167±4 7.0 23.3±.1 4,150±140 22.9±.1 3,820±130 144.5  
230 3,760 3,335-4,218 2,149±94 147±4 6.1 24.3±.1 3,860±140 23.8±.1 3,500±130 158.0  
240 4,271 3,788-4,791 2,441±107 130±4 5.4 25.3±.1 3,540±140 24.7±.1 3,210±130 172.9  
250 4,852 4,303-5,443 2,773±121 114±4 4.8 26.3±.2 3,230±140 25.6±.2 2,920±130 189.5  
260 5,512 4,888-6,183 3,150±138 100±3 4.2 27.3±.2 2,950±110 26.5±.2 2,650±110 208.0  
270 6,262 5,554-7,025 3,578±157 88±3 3.7 28.2±.2 2,680±110 27.4±.2 2,410±110 228.5  
280 7,114 6,309-7,981 4,065±178 78±3 3.2 29.1±.2 2,440±110 28.3±.2 2,210±110 251.4  
290 8,082 7,168-9,066 4,618±202 68±3 2.8 29.9±.2 2,240±110 29.1±.2 1,980±110 277.7  
300 9,182 8,143-10,300 5,247±230 60±3 2.5 30.5±.2 2,040±110 29.7±.2 1,780±110 309.2  
310 10,433 9,253-11,704 5,962±261 53±3 2.2 31.1±.2 1,830±110 30.3±.2 1,610±110 344.3  
320 11,854 10,513-13,298 6,774±296 47±2 2.0 31.6±.2 1,640±110 30.8±.2 1,450±80 384.9  
330 13,469 11,945-15,110 7,697±337 41±2 1.7 32.1±.2 1,510±80 31.2±.2 1,280±80 431.7  
334 14,175 12,572-15,902 8,100±354 39±2 1.6 32.3±.2 1,420±80 ‡31.4±.2 1,220±80 451.4  
* Same as maximum capacity (95%) for this class of vessels; see table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (90,000 s.h.p.).

--134--

DATA PERIOD 1943-1944  
CL 9 CLASS
SHIPS IN CLASS:
CL 9-13

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
138.2 15.1 761±198 17.3±1.5
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
195 111 118.2
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications,
see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 11'4" 12'0"
2 outboard 3 11'4" 12'0"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 548,183 13,052 1,979
Diesel oil capacity (95%) 5,024 120 16
Total: radius oil* 553,207 13,172 1,995
Additional fuel oil required to fill all tanks to 95% (emergency) 0 0 0
Total: maximum capacity (95%)* 553,207 13,172 1,995

Table IAA.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON MAXIMUM CAPACITY (95%)*

Data for Integral Ship Speeds

Speed Radius Endurance Fuel rate
Mean displacement 9,900 tons
Knots Engine miles Days Bbl./day
11 8,460 32.0 411
12 8,210 28.6 462
13 7,940 25.5 519
14 7,610 22.7 582
15 7,210 20.1 659
16 6,760 17.7 748
17 6,390 15.7 843
18 5,990 13.9 953
19 5,560 12.2 1,083
20 5,110 10.7 1,240
21 4,670 9.3 1,427
22 4,240 8.0 1,643
23 3,780 6.9 1,920
24 3,440 5.9 2,214
25 3,110 5.2 2,552
26 2,800 4.5 2,941
27 2,520 3.9 3,388
28 2,280 3.4 3,903
29 2,010 2.8 4,549
30 1,700 2.4 5,604
31 1,360 1.8 7,236
* See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 250 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. Richmond CL 9 10,200 97.3 96.8 96.2 95.6 94.8
U.S.S. Concord CL 10 9,500 90.2 92.8 95.3 97.8 100.3
U.S.S. Trenton CL 11 9,500 97.5 100.0 102.5 105.0 107.4
U.S.S. Memphis CL 13 10,300 115.0 110.5 106.0 101.7 97.4
* Table VI is used to adjust the class data in tables I and IAA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

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[B L A N K]

--136--

DATA PERIOD 1942-1943 CL 40
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 40, 41, 43, 46, 48

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--137--

DATA PERIOD 1942-1943 CL 40 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CL 40, 41, 43, 46, 48

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
  Mean displacement 12,800 tons† Mean displacement 10,800 tons Mean displacement 12,800 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)  
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 670 599-746 383±16 845±8 35.2 10.4±0.1 9,430±180 10.3±0.1 8,700±170 65.0  
                11.0 8,550 66.2  
110 754 674-839 431±18 751±7 31.3 11.4±.1 9,400±180 11.3±.1 8,490±160 66.7  
                12.0 8,290 68.3  
120 849 759-945 485±20 667±7 27.8 12.4±.1 9,200±170 12.3±.1 8,200±160 69.0  
                13.0 7,970 71.0  
130 956 855-1,064 546±22 592±6 24.7 13.4±.1 8,940±170 13.3±.1 7,870±140 71.9  
                14.0 7,620 74.2  
140 1,076 962-1,198 615±25 526±6 21.9 14.5±.1 8,690±170 14.3±.1 7,520±140 75.2  
                16.0 7,260 78.0  
150 1,212 1,084-1,349 693±28 467±6 19.5 15.5±.1 8,350±150 15.3±.1 7,150±140 79.2  
                16.0 6,880 82.4  
160 1,365 1,221-1,519 780±32 415±5 17.3 16.5±.1 7,990±150 16.3±.1 6,760±140 83.7  
                17.0 6,490 87.3  
170 1,537 1,375-1,711 878±36 368±5 15.3 17.5±.1 7,610±150 17.3±.1 6,370±140 88.8  
                18.0 6,100 92.9  
180 1,731 1,548-1,927 989±40 327±5 13.6 18.5±.1 7,230±150 18.3±.1 5,980±140 94.6  
                19.0 5,710 99.1  
190 1,949 1,743-2,170 1,114±45 290±5 12.1 19.5±.1 6,840±150 19.3±.1 5,600±140 101.0  
                20.0 6,360 106.0  
200 2,195 1,963-2,443 1,254±51 258±4 10.8 20.5±.1 6,480±150 20.3±.1 5,240±140 108.1  
                21.0 4,940 114.7  
210 2,472 2,211-2,752 1,413±58 229±4 9.5 21.5±.2 6,020±150 21.2±.2 4,860±140 116.6  
                22.0 4,580 123.6  
220 2,784 2,490-3,099 1,591±65 203±4 8.5 22.5±.2 5,670±150 22.2±.2 4,510±140 125.4  
                23.0 4,200 134.6  
230 3,136 2,805-3,491 1,792±73 180±4 7.5 23.4±.2 5,290±140 23.1±.2 4,160±130 135.8  
                24.0 3,890 145.5  
240 3,532 3,159-3,932 2,018±82 160±3 6.7 24.4±.2 4,900±140 24.1±.2 3,860±120 146.6  
250 3,978 3,558-4,428 2,273±93 142±3 5.9 25.4±.2 4,520±140 25.0±.2 3,550±120 159.1  
260 4,481 4,008-4,988 2,561±104 126±3 5.2 26.4±.2 4,170±130 26.0±.2 3,280±120 172.3  
270 5,048 4,515-5,619 2,885±118 112±3 4.7 27.4±.3 3,860±130 27.0±.3 3,020±120 187.0  
280 5,686 5,085-6,329 3,249±132 100±3 4.2 28.4±.3 3,580±130 27.9±.3 2,790±120 203.8  
                28.0 2,760 205.9  
290 6,406 5,729-7,131 3,661±149 88±2 3.7 29.3±.3 3,280±130 28.8±.3 2,530±90 222.4  
                29.0 2,480 227.8  
300 7,217 6,455-8,034 4,124±168 78±2 3.2 30.1±.3 3,010±130 29.6±.3 2,310±90 243.8  
                30.0 2,220 255.6  
310 8,130 7,271-9,050 4,646±189 70±2 2.9 30.9±.3 2,720±90 30.4±.3 2,130±90 267.4  
                31.0 1,960 290.6  
320 9,160 8,192-10,197 5,234±213 62±2 2.6 31.6±.3 2,460±90 31.1±.3 1,930±90 294.5  
330 10,320 9,230-11,488 5,897±240 55±2 2.3 32.2±.3 2,220±90 31.7±.3 1,740±90 325.6  
                32.0 1,640 346.9  
340 11,628 10,400-12,944 6,645±271 49±2 2.0 32.7±.3 1,960±90 32.2±.3 1,580±80 361.1  
343 12,051 10,778-13,415 6,886±281 47±2 2.0 32.9±.3 1,910±90 ‡32.3±.3 1,520±80 373.1  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (100,000 s.h.p.).

--138--

DATA PERIOD 1942-1943  
CL 40 CLASS
SHIPS IN CLASS:
CL 40, 41, 43, 46, 48

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
157.0 16.0 873±256 15.4±1.6
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
184 105 128.2
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications, see table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 11'95/8" 11'65/8"
2 outboard 3 11'95/8" 11'97/8"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 548,737 13,065 1,981
Diesel oil capacity (95%) 17,270 411 55
Total: radius oil*. 566,007 13,476 2,036
Additional fuel oil required to fill all tanks to 95% (emergency) 38,503 917 139
Total: maximum capacity.(95%)† 604,510 14,393 2,175

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander an a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 12,800 tons
Knots Engine miles Days Bbl./day
11 9,130 34.7 417
12 8,850 30.8 469
13 8,510 27.3 528
14 8,140 24.2 594
15 7,750 21.6 670
16 7,350 19.2 754
17 6,930 17.0 849
18 6,510 15.1 956
19 6,100 13.5 1,077
20 5,710 12.0 1,212
21 5,280 10.5 1,378
22 4,890 9.3 1,555
23 4,490 8.1 1,770
24 4,150 7.3 1,995
25 3,790 6.3 2,273
26 3,500 5.6 2,561
27 3,230 5.0 2,885
28 2,950 4.4 3,295
29 2,650 3.8 3,777
30 2,370 3.2 4,385
31 2,090 2.8 5,150
32 1,750 2.2 6,346
* See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 250 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. Brooklyn CL 40 13,000 98.2 100.4 102.6 104.8 106.9
U.S.S. Philadelphia CL 41 12,900 113.0 109.5 106.1 102.6 99.3
U.S.S. Nashville CL 43 12,700 102.2 99.0 95.8 92.6 89.5
U.S.S. Honolulu CL 48 12,600 98.9 100.1 101.2 102.3 103.4
* Table VI is used to adjust the class data in tables I and IA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

--139--

[B L A N K]

--140--

DATA PERIOD 1944-1945 CL 42
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 42

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--141--

DATA PERIOD 1944-1945 CL 42 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CL 42

PROPELLER SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 14,100 tons† Mean displacement 12,100 tons Mean displacement 14,100 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 756 695-820 432±13 892±6 37.2 9.6±0.1 9,230±170 9.5±0.1 8,470±150 79.6  
110 841 773-912 481±15 802±6 33.4 10.7±.1 9,350±160 10.6±.1 8,500±150 79.3  
120 936 861-1,015 535±16 721±6 30.0 11.7±.1 9,280±160 11.6±.1 8,360±150 80.7  
130 1,042 958-1,130 595±18 647±6 27.0 12.7±.1 9,160±160 12.6±.1 8,150±150 82.7  
140 1,159 1,066-1,257 662±20 582±5 24.2 13.7±.1 8,860±160 13.6±.1 7,920±150 85.2  
150 1,290 1,186-1,399 737±23 523±5 21.8 14.8±.1 8,700±160 14.7±.1 7,690±150 87.8  
160 1,435 1,320-1,556 820±25 470±5 19.6 15.8±.1 8,440±160 15.7±.1 7,380±150 91.4  
170 1,597 1,469-1,732 913±28 422±5 17.6 16.8±.1 8,150±160 16.7±.1 7,050±150 95.6  
180 1,777 1,634-1,927 1,015±31 380±4 15.8 17.8±.1 7,850±160 17.7±.1 6,730±150 100.4  
190 1,977 1,818-2,144 1,130±35 341±4 14.2 18.9±.1 7,480±160 18.7±.1 6,380±150 105.7  
200 2,200 2,023-2,386 1,257±39 307±4 12.8 19.9±.2 7,240±160 19.7±.2 6,050±150 111.7  
210 2,448 2,251-2,655 1,399±43 276±4 11.5 20.8±.2 6,860±150 20.6±.2 5,690±140 118.8  
220 2,723 2,504-2,953 1,556±48 248±4 10.3 21.7±.2 6,440±150 21.5±.2 5,330±140 126.7  
230 3,030 2,787-3,286 1,731±53 223±3 9.3 22.6±.2 5,970±150 22.4±.2 5,000±120 135.3  
240 3,372 3,101-3,657 1,927±59 200±3 8.3 23.6±.2 5,590±150 23.3±.2 4,660±120 144.7  
250 3,752 3,451-4,069 2,144±66 180±3 7.5 24.6±.2 5,240±130 24.3±.2 4,370±120 154.4  
260 4,175 3,840-4,528 2,386±73 162±3 6.8 25.6±.2 4,920±130 25.2±.2 4,080±120 165.7  
270 4,645 4,272-5,038 2,654±82 145±3 6.0 26.5±.2 4,560±130 26.1±.2 3,780±120 178.0  
280 5,169 4,754-5,606 2,954±91 130±3 5.4 27.5±.2 4,290±130 27.0±.2 3,510±120 191.4  
290 5,752 5,290-6,239 3,287±101 117±3 4.9 28.3±.3 3,990±130 27.8±.3 3,250±120 206.9  
300 6,400 5,886-6,942 3,657±112 105±3 4.4 29.1±.3 3,670±130 28.6±.3 3,000±120 223.8  
310 7,121 6,549-7,724 4,069±125 95±2 4.0 29.8±.3 3,400±130 29.3±.3 2,780±100 243.0  
320 7,924 7,287-8,594 4,528±139 85±2 3.5 30.5±.3 3,050±130 29.9±.3 2,540±100 265.0  
330 8,817 8,109-9,563 5,038±155 76±2 3.2 31.2±.4 2,650±100 30.5±.4 2,320±100 289.1  
340 9,811 9,023-10,641 5,606±172 69±2 2.9 31.8±.4 2,320±100 ‡31.0±.4 2,140±100 316.5  

* See table V.
† Mean displacement during data period.
‡ Estimates speed at designed shaft horsepower (100,000 s.h.p.).

--142--

DATA PERIOD 1944-1945  
CL 42 CLASS
SHIPS IN CLASS:
CL 42

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
165.8 16.3 1,045±336 15.4±1.7
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
145 83 193.8
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications,
see discussion of table IV in Introduction.

In case of a propeller change see discussion of table IV in Introduction.

Number of propellers Number of blades Diameter Pitch
2 Inboard 3 11'9" 11'6"
2 Outboard 3 11'9" 12'0"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 658,429 15,677 2,377
Diesel oil capacity (95%) 16,014 381 51
Total: radius oil* 674,443 16,058 2,428
Additional fuel oil required to fill all tanks to 95% (emergency) 0 0 0
Total: maximum capacity (95%)* 674,443 16,058 2,428

Table IAA.--WAR LOGISTICS DATA FOR STEADY STEAMING BASED ON MAXIMUM CAPACITY (95%)*

Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table 1 for use when increased radius and decreased resistance to underwater damage are factors in a decision.

Speed Radius Endurance Fuel rate
Mean displacement 14,100 tons
Knots Engine miles Days Bbl./day
10 8,480 35.5 454
11 8,440 32.0 503
12 8,280 28.8 559
13 8,060 25.9 622
14 7,840 23.3 689
15 7,600 21.1 762
16 7,280 19.0 848
17 6,950 17.1 944
18 6,620 15.3 1,050
19 6,280 13.8 1,168
20 5,930 12.4 1,304
21 5,530 11.0 1,469
22 5,150 9.7 1,653
23 4,770 8.6 1,862
24 4,460 7.7 2,079
25 4,140 7.0 2,332
26 3,810 6.1 2,624
27 3,510 5.4 2,954
28 3,190 4.8 3,380
29 2,870 4.2 3,892
30 2,500 3.4 4,613
31 2,140 2.9 5,606
* See table V.

--143--

[B L A N K]

--144--

DATA PERIOD 1941-1943 CL 47
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 47

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--144a--

DATA PERIOD 1941-1943 CL 47 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CL 47

PROPELLER SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 12,800 tons† Mean displacement 10,800 tons Mean displacement 12,800 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 588 540-639 336±11 963±7 40.1 10.4±0.1 10,810±180 10.3±0.1 9,920±170 57.1  
                11.0 9,690 58.4  
110 667 612-725 381±12 849±6 35.4 11.4±.1 10,700±180 11.3±.1 9,590±160 59.0  
                12.0 9,320 60.8  
120 756 694-822 432±14 749±6 31.2 12.4±.1 10,400±160 12.3±.1 9,210±150 61.5  
                13.0 8,910 63.6  
130 858 787-932 490±15 660±6 27.5 13.4±.1 10,040±160 13.3±.1 8,780±150 64.5  
                14.0 8,460 67.0  
140 973 893-1,057 556±17 582±5 24.2 14.5±.1 9,690±160 14.3±.1 8,320±140 68.0  
                15.0 7,990 70.9  
150 1,103 1,012-1,199 630±20 513±5 21.4 15.5±.1 9,250±160 15.3±.1 7,850±140 72.1  
                16.0 7,510 75.3  
160 1,251 1,148-1,359 715±22 452±5 18.8 16.5±.1 8,790±150 16.3±.1 7,370±140 76.7  
                17.0 7,040 80.4  
170 1,419 1,302-1,542 811±25 399±5 16.6 17.5±.1 8,330±150 17.3±.1 6,900±140 82.0  
                18.0 6,580 86.1  
180 1,609 1,477-1,749 919±29 352±4 14.7 18.5±.1 7,860±150 18.3±.1 6,440±140 87.9  
                19.0 6,120 92.6  
190 1,825 1,675-1,983 1,043±33 310±4 12.9 19.5±.1 7,390±150 19.3±.1 5,980±140 94.6  
                20.0 5,670 99.8  
200 2,070 1,900-2,249 1,183±37 273±4 11.4 20.5±.1 6,950±150 20.3±.1 5,540±140 102.0  
                21.0 5,210 108.8  
210 2,348 2,155-2,552 1,342±42 241±4 10.0 21.5±.2 6,430±150 21.2±.2 5,110±140 110.8  
                22.0 4,810 118.2  
220 2,663 2,444-2,894 1,522±48 213±3 8.9 22.5±.2 6,010±150 22.2±.2 4,730±120 120.0  
                23.0 4,370 129.5  
230 3,020 2,772-3,282 1,726±54 187±3 7.8 23.4±.2 5,570±150 23.1±.2 4,320±120 130.7  
                24.0 4,010 141.0  
240 3,425 3,143-3,722 1,957±62 165±3 6.9 24.4±.2 5,120±130 24.1±.2 3,980±120 142.1  
250 3,884 3,565-4,221 2,219±70 146±3 6.1 25.4±.2 4,700±130 25.0±.2 3,650±120 155.4  
260 4,405 4,043-4,787 2,517±79 128±3 5.3 26.4±.2 4,300±130 26.0±.2 3,330±120 169.4  
270 4,996 4,585-5,429 2,855±90 113±3 4.7 27.4±.3 3,950±130 27.0±.3 3,050±120 185.0  
280 5,667 5,201-6,158 3,238±102 100±3 4.2 28.4±.3 3,640±130 27.9±.3 2,790±120 203.1  
                28.0 2,760 205.3  
290 6,427 5,899-6,984 3,673±115 88±2 3.7 29.3±.3 3,310±130 28.8±.3 2,530±90 223.2  
                29.0 2,480 229.0  
300 7,289 6,690-7,921 4,165±131 78±2 3.2 30.1±.3 3,010±130 29.6±.3 2,310±90 246.2  
                30.0 2,190 259.0  
310 8,267 7,587-8,984 4,724±149 68±2 2.8 30.9±.3 2,720±90 30.4±.3 2,070±90 271.9  
                31.0 1,900 297.3  
320 9,376 8,605-10,189 5,358±168 60±2 2.5 31.6±.3 2,460±90 31.1±.3 1,870±90 301.5  
330 10,634 9,760-11,556 6,077±191 53±2 2.2 32.2±.3 2,190±90 31.7±.3 1,680±80 335.5  
                32.0 1,580 359.0  
340 12,061 11,069-13,107 6,892±217 47±2 2.0 32.7±.3 1,930±90 32.2±.3 1,510±80 374.6  
343 12,525 11,495-13,611 7,157±225 45±2 1.9 32.9±.3 1,840±90 ‡32.3±.3 1,450±80 387.8  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (100,000 s.h.p.).

--144b--

DATA PERIOD 1941-1943  
CL 47 CLASS
SHIPS IN CLASS:
CL 47

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
156.3 15.9 850±283 15.9±1.8
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
168 96 140.4
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications,
see discussion of table IV in Introduction.

In case of a propeller change see discussion of table IV in Introduction.

Number of propellers Number of blades Diameter Pitch
2 inboard 3 11'95/8" 11'65/8"
2 outboard 3 11'95/8" 11'97/8"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 548,737 13,065 1,981
Diesel oil capacity (95%) 17,270 411 55
Total: radius oil* 566,007 13,476 2,036
Additional fuel oil required to fill all tanks to 95% (emergency) 38,503 917 139
Total: maximum capacity (95%)† 604,510 14,393 2,175

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING BASED ON MAXIMUM CAPACITY (95%)*

Note: Fueling beyond the radius oil capacity increase radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.

Speed Radius Endurance Fuel rate
Mean displacement 12,800 tons
Knots Engine miles Days Bbl./day
11 10,350 39.3 368
12 9,950 34.7 417
13 9,520 30.5 473
14 9,040 26.9 536
15 8,530 23.7 608
16 8,020 20.9 690
17 7,520 18.5 782
18 7,030 16.3 887
19 6,540 14.3 1,006
20 6,060 12.6 1,141
21 5,560 11.0 1,307
22 5,140 9.7 1,486
23 4,670 8.4 1,703
24 4,280 7.5 1,934
25 3,900 6.5 2,219
26 3,560 5.7 2,517
27 3,260 5.0 2,855
28 2,950 4.4 3,286
29 2,650 3.8 3,796
30 2,340 3.2 4,444
31 2,030 2.7 5,267
32 1,690 2.2 6,566
* See table V.

--144c--

[B L A N K]

--144d--

DATA PERIOD 1942-1943 CL 49
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 13,500 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 49

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--145--

DATA PERIOD 1942-1943 CL 49 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CL 49

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 13,500 tons† Mean displacement 11,500 tons Mean displacement 13,500 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 634 519-764 362±26 898±15 37.4 10.4±0.1 10,140±270 10.3±0.1 9,250±250 61.6  
                11.0 9,080 62.7  
110 714 584-861 408±29 797±14 33.2 11.4±.1 10,110±270 11.3±.1 9,010±240 63.2  
                12.0 8,800 64.7  
120 804 658-969 459±33 708±13 29.5 12.4±.1 9,760±260 12.3±.1 8,710±240 65.4  
                13.0 8,460 67.3  
130 906 741-1,092 518±37 628±12 26.2 13.4±.1 9,490±250 13.3±.1 8,350±230 68.1  
                14.0 8,090 70.3  
140 1,020 835-1,229 583±42 558±12 23.2 14.5±.1 9,110±250 14.3±.1 7,980±230 71.3  
                15.0 7,690 74.0  
150 1,149 940-1,385 657±47 495±11 20.6 15.5±.1 8,650±250 15.3±.1 7,570±220 75.1  
                16.0 7,290 78.1  
160 1,294 1,059-1,560 739±53 440±10 18.3 16.5±.1 8,280±240 16.3±.1 7,170±220 79.4  
                17.0 6,880 82.8  
170 1,457 1,192-1,756 833±60 391±10 16.3 17.5±.1 7,880±240 17.3±.1 6,760±220 84.2  
                18.0 6,470 88.0  
180 1,641 1,343-1,978 938±68 347±9 14.5 18.5±.1 7,490±240 18.3±.1 6,350±210 89.7  
                19.0 6,010 94.8  
190 1,848 1,512-2,227 1,056±76 308±9 12.8 19.4±.1 7,060±240 19.2±.1 5,910±210 96.2  
                20.0 5,590 101.7  
200 2,082 1,704-2,509 1,190±86 273±8 11.4 20.4±.1 6,670±240 20.2±.1 5,510±210 103.1  
                21.0 5,170 110.2  
210 2,344 1,918-2,825 1,339±97 243±8 10.1 21.3±.1 6,260±240 21.1±.1 5,130±210 111.1  
220 2,640 2,160-3,182 1,509±109 216±7 9.0 22.3±.2 5,820±240 22.0±.2 4,750±210 120.0  
230 2,973 2,433-3,583 1,699±122 191±7 8.0 23.2±.2 5,430±240 22.9±.2 4,370±210 129.8  
                23.0 4,330 131.0  
240 3,349 2,741-4,036 1,914±138 170±7 7.1 24.1±.2 5,010±220 23.8±.2 4,050±210 140.7  
                24.0 3,990 143.0  
250 3,771 3,086-4,545 2,155±155 151±6 6.3 25.1±.2 4,690±220 24.8±.2 3,740±190 152.0  
                25.0 3,380 154.5  
260 4,247 3,475-5,118 2,427±175 134±6 5.6 26.2±.2 4,350±220 25.8±.2 3,460±190 164.6  
                26.0 3,410 167.4  
270 4,783 3,914-5,764 2,733±197 119±6 5.0 27.2±.2 4,050±220 26.8±.2 3,190±190 178.5  
                27.0 3,140 175.4  
280 5,387 4,408-6,492 3,078±222 106±5 4.4 28.2±.3 3,720±220 27.8±.3 2,950±180 193.8  
                28.0 2,870 199.3  
290 6,067 4,965-7,312 3,467±250 94±5 3.9 29.0±.3 3,420±220 28.5±.3 2,680±180 212.9  
                29.0 2,520 225.6  
300 6,833 5,592-8,235 3,905±281 83±5 3.5 29.8±.3 3,100±190 29.3±.3 2,430±180 233.2  
310 7,695 6,297-9,274 4,397±317 74±5 3.1 30.5±.3 2,810±190 30.0±.3 2,220±180 256.5  
320 8,666 7,092-10,444 4,952±357 66±4 2.8 31.2±.3 2,500±190 30.7±.3 2,030±150 282.3  
                31.0 1,920 297.0  
330 9,760 7,987-11,763 5,577±402 58±4 2.4 31.8±.3 2,260±150 31.3±.3 1,820±150 311.8  
339 10,862 8,889-13,091 6,207±447 52±4 2.2 32.3±.3 2,070±150 ‡31.8±.3 1,650±150 341.6  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (100,000 s.h.p.).

--146--

DATA PERIOD 1942-1943  
CL 49 CLASS
SHIPS IN CLASS:
CL 49

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
162.0 16.6 852±229 15.9±1.5
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
202 115 117.4
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below. In case of a propeller change, see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 11'95/8" 11'65/8"
2 outboard 3 11'95/8" 11'97/8"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 524,084 12,478 1,892
Diesel oil capacity (95%) 45,216 1,077 144
Total: radius oil* 569,300 13,555 2,036
Additional fuel oil required to fill all tanks to 95% (emergency) 69,804 1,662 252
Total: maximum capacity (95%)† 639,104 15,217 2,288

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 13,500 tons
Knots Engine miles Days Bbl./day
11 10,190 38.7 394
12 9,880 34.4 444
13 9,500 30.5 500
14 9,080 27.1 564
15 8,630 24.0 635
16 8,180 21.3 714
17 7,720 19.0 805
18 7,260 16.8 906
19 6,750 14.8 1,030
20 6,280 13.1 1,163
21 5,800 11.5 1,322
22 5,330 10.1 1,509
23 4,860 8.9 1,723
24 4,480 7.7 1,962
25 4,130 7.0 2,209
26 3,830 6.2 2,488
27 3,520 5.5 2,802
28 3,220 4.8 3,189
29 2,830 4.0 3,741
30 2,490 3.5 4,397
31 2,160 2.9 5,264
* See table V.

--147--

[B L A N K]

--148--

DATA PERIOD 1943-1944 CL 53
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 8,200 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 53, 54, 95-98, 119-121

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--149--

DATA PERIOD 1943-1944 CL CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CL 53, 54, 95-98, 119-121

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 8,200 tons† Mean displacement 6,900 tons Mean displacement 8,200 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)  
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 653 596-713 373±12 651±6 27.1 13.0±0.1 9,760±160 12.9±0.1 8,400±150 50.6  
110 753 688-822 430±14 564±6 23.5 14.3±.1 9,440±160 14.2±.1 8,010±150 53.0  
120 869 793-949 497±17 489±5 20.4 15.6±.1 9,060±160 15.4±.1 7,530±130 56.4  
130 1,003 916-1,095 573±19 424±5 17.7 16.9±.1 8,500±150 16.7±.1 7,080±130 60.1  
140 1,157 1,056-1,263 661±22 367±5 15.3 18.2±.1 8,040±150 18.0±.1 6,610±130 64.3  
150 1,335 1,219-1,458 763±25 318±4 13.2 19.5±.1 7,590±150 19.2±.1 6,110±120 69.5  
160 1,540 1,406-1,682 880±29 276±4 11.5 20.7±.1 6,980±150 20.4±.1 5,630±120 75.5  
170 1,777 1,623-1,940 1,015±34 239±4 10.0 22.0±.1 6,420±150 21.7±.1 5,190±120 81.9  
180 2,050 1,872-2,238 1,171±39 207±4 8.6 23.2±.1 5,960±150 22.9±.1 4,740±120 89.5  
190 2,365 2,159-2,582 1,351±45 180±3 7.5 24.5±.2 5,460±150 24.1±.2 4,340±120 98.1  
200 2,729 2,492-2,980 1,559±52 156±3 6.5 25.8±.2 4,980±150 25.3±.2 3,950±120 107.9  
210 3,149 2,875-3,439 1,799±60 135±3 5.6 27.0±.2 4,590±140 26.5±.2 3,580±120 118.8  
220 3,634 3,318-3,968 2,077±69 117±3 4.9 28.3±.3 4,050±140 27.6±.3 3,230±120 131.7  
230 4,194 3,829-4,580 2,397±80 101±3 4.2 29.5±.3 3,450±140 28.6±.3 2,890±120 146.6  
240 4,839 4,418-5,284 2,765±92 88±3 3.7 30.6±.4 3,000±140 29.6±.3 2,600±120 163.5  
250 5,584 5,099-6,097 3,191±106 76±2 3.2 31.8±.4 2,640±100 30.4±.3 2,310±90 183.7  
260 6,445 5,885-7,038 3,683±123 66±2 2.8 32.9±.4 2,300±100 31.2±.3 2,060±90 206.6  
262 6,632 6,056-7,242 3,790±126 64±2 2.7 33.1±.4 2,250±100 ‡31.4±.3 2,010±90 211.2  
* Same as maximum capacity (95%) for this class of vessels; see table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (75,000 s.h.p.).

--150--

DATA PERIOD 1943-1944  
CL 53 CLASS
SHIPS IN CLASS:
CL 53, 54, 95-98, 119-121

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
137.9 17.7 694±131 14.6±1.0
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
142 81 124.7
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications, see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 4 14'7" 15'31/2"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 410,237 9,768 1,481
Diesel oil capacity (95%) 14,758 351 47
Total: radius oil*. 424,995 10,119 1,528
Additional fuel oil required to fill all tanks to 95% (emergency) 0 0 0
Total: maximum capacity (95%)* 424,995 10,119 1,528

Table IAA.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON MAXIMUM CAPACITY (95%)*

Data for Integral Ship Speeds

Speed Radius Endurance Fuel rate
Mean displacement 8,200 tons
Knots Engine miles Days Bbl./day
13 8,370 26.8 377
14 8,070 24.0 421
15 7,690 21.4 475
16 7,320 19.2 532
17 6,970 17.2 593
18 6,610 15.3 661
19 6,190 13.6 746
20 5,790 12.1 841
21 5,430 10.8 942
22 5,080 9.6 1,054
23 4,710 8.5 1,186
24 4,370 7.6 1,336
25 4,050 6.8 1,507
26 3,730 6.0 1,699
27 3,420 5.3 1,925
28 3,090 4.6 2,205
29 2,770 4.0 2,544
30 2,460 3.4 2,978
31 2,120 2.9 3,560
* See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 250 R.P.M.
  Tons Percent Percent Percent Percent
U.S.S. San Juan CL 54 8,100 99.6 102.1 104.6 107.1
U.S.S. Oakland CL 95 8,300 100.4 97.9 95.4 92.9
* Table VI is used to adjust the class data in tables I and IAA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

--151--

[B L A N K]

--152--

DATA PERIOD 1944-1945 CL 55
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 14,100 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CL 55-58, 60, 62-67, 80-83, 86, 87, 89-93, 101-107

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--153--

DATA PERIOD 1944-1945 CL 55 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CL 55-58, 60, 62-67, 80-83, 86, 87, 89-93, 101-107

PROPELLER SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 14,100 tons† Mean displacement 12,100 tons Mean displacement 14,100 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 727 659-799 415±15 836±7 34 8 9.8±0.1 8,880±170 9.7±0.1 8,110±160 74.9  
                10.0 8,140 74.6  
110 804 729-883 459±16 756±7 31.5 11.0±.1 9,100±170 10.9±.1
11.0
12.0
8,240±160
8,240
8,280
73.8
73.8
73.5
 
120 889 806-977 508±18 684±7 28.5 12.2±.1 9,320±170 12.1±.1 8,280±160 73.5  
                13.0 8,190 74 3  
130 983 892-1,080 562±20 619±6 25.8 13.3±.1 9,280±170 13.2±.1 8,170±150 74.5  
                14.0 8,040 75.6  
140 1,087 986-1,194 621±22 559±6 23.3 14 4±.1 9,090±170 14.3±.1 7,990±150 76.0  
                15.0 7,820 77.8  
150 1,202 1,090-1,321 687±24 506±6 21.1 15.5±.1 8,840±170 15.3±.1 7,740±150 78.6  
                16.0 7,540 80.7  
160 1,330 1,206-1,461 760±27 457±5 19.0 16.5±.1 8,600±170 16.3±.1 7,450±140 81.6  
                17.0 7,230 84.0  
170 1,471 1,334-1,616 841±30 413±5 17.2 17.5±.1 8,330±170 17.3±.1 7,140±140 85.0  
                18.0 6,880 88.3  
180 1,626 1,475-1,786 929±33 374±5 15.6 18.4±.1 8,000±170 18.2±.1 6,810±140 89.3  
                19.0 6,500 93.7  
190 1,799 1,632-1,977 1,028±37 338±5 14 1 19.3±.1 7,580±170 19.1±.1 6,460±140 94.2  
                20.0 6,180 98.5  
200 1,990 1,805-2,186 1,137±41 306±5 12.8 20.3±.1 7,230±170 20.1±.1 6,150±140 99.0  
210 2,201 1,997-2,418 1,258±45 276±4 11.5 21.3±.1 6,840±170 21.0±.1 5,800±140 104.8  
220 2,435 2,209-2,675 1,391±50 250±4 10.4 22.3±.1 6,530±170 21.9±.1 5,480±140 111.2  
                22.0 5,440 112.0  
230 2,693 2,443-2,959 1,539±55 226±4 9.4 23.2±.2 6,150±170 22.8±.2 5,150±140 11& 1  
                23.0 5,080 119.8  
240 2,980 2,703-3,274 1,703±61 204±4 8.5 24.2±.2 5,860±170 23.7±.2 4,830±140 125.7  
                24.0 4,740 128.0  
250 3,296 2,990-3,621 1,883±67 184±4 7.7 25.2±.2 5,570±170 24.7±.2 4,540±140 133.4  
                25.0 4,460 136.0  
260 3,647 3,308-4,007 2,084±74 167±4 7.0 26.3±.3 5,310±170 25.7±.2 4,290±140 141.9  
                26.0 4,210 144 7  
270 4,035 3,660-4,433 2,306±82 151±3 6.3 27.4±.3 4,960±170 26.7±.2 4,030±130 151.1  
                27.0 3,940 154 6  
280 4,464 4,049-4,904 2,551±91 136±3 5.7 28.3±.3 4,610±140 27.6±.3 3,750±130 161.7  
                28.0 3,620 167.8 -
290 4,940 4,481-5,427 2,823±101 123±3 5.1 29.1±.3 4,310±140 28.4±.3 3,490±130 173.9  
                29.0 3,300 183.9  
300 5,466 4,958-6,005 3,123±111 111±3 4 6 29.8±.3 3,960±140 29.2±.3 3,240±130 187.2  
310 6,048 5,486-6,645 3,456±123 101±3 4.2 30.4±.3 3,620±140 29.8±.3 3,010±130 203.0  
                30.0 2,910 210.2  
320 6,693 6,071-7,353 3,825±136 91±3 3.8 31.0±.4 3,320±140 30.3±.3 2,760±120 220.9  
330 7,407 6,719-8,138 4,233±151 82±3 3.4 31.5±.4 3,020±140 30.7±.3 2,520±120 241.3  
333 7,636 6,927-8,389 4,363±156 80±3 3.3 31.6±.4 2,940±140 ‡30.8±.3 2,460±120 247.9  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (100,000 s.h.p.).

--154--

DATA PERIOD 1944-1945  
CL 55 CLASS
SHIPS IN CLASS:
CL 55-58, 60, 62 67, 80-83, 86, 87, 89-93, 101-107

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
151.8 15.5 851±236 17.0±1.6
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
251 143 101.0
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

Note--All under-way data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications, see discussion of table IV in Introduction.

In case of a propeller change, see discussion of table IV in Introduction.

Number of propellers Number of blades Diameter Pitch.
2 Inboard 4 11'10" 11'8"
2 Outboard 4 11'10" 12'1"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§. 581,700 13,850 2,100
Diesel oil capacity (95%) 26,376 628 84
Total: radius oil* 608,076 14,478 2,184
Additional fuel oil required to fill all tanks to 95% (emergency) 86,978 2,071 314
Total: maximum capacity (95%)† 695,054 16,549 2,498

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING BASED ON MAXIMUM CAPACITY (95%)*

Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.

Speed Radius Endurance Fuel rate
Mean displacement 14,100 tons
Knots Engine miles Days Bbl./day
10 9,300 38.9 426
11 9,420 35.7 463
12 9,460 32.9 504
13 9,360 30.1 552
14 9,190 27.4 605
15 8,940 24.9 667
16 8,620 22.4 738
17 8,260 20.2 817
18 7,860 18.3 909
19 7,430 16.3 1,017
20 7,060 14.7 1,126
21 6,630 13.1 1,258
22 6,220 11.8 1,407
23 5,810 10.5 1,575
24 5,420 9.5 1,757
25 5,100 8.6 1,943
26 4,810 7.8 2,151
27 4,500 7.0 2,388
28 4,140 6.2 2,687
29 3,770 5.4 3,048
30 3,330 4 6 3,604
* See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--ship: Class
100 R.P.M. 160 R.P.M. 200 R.P.M. 250 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. Cleveland CL 5 14,000 97.8 99.0 100.0 101.0 101.8
U.S.S. Montpelier CL 57 14,000 104.0 98.9 94.0 89.3 84.7
U.S.S. Denver CL 58 14,100 106.9 103.3 99.7 96.2 92.7
U.S.S. Santa Fe CL 60 14,200 101.3 103.9 106.5 109.0 111.5
U.S.S. Birmingham CL 62 14,100 96.0 97.3 98.6 99.7 100.8
U.S.S. Biloxi CL 80 14,400 94.0 97.6 101.2 104.8 108.5
* Table VI is used to adjust the class data in tables I and IA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

--155--

[B L A N K]

--156--


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