Subject: Bomber Series--Martin XLB-4

From: [email-masked]
Date: 2 Jun 94 16:12:24 GMT

>From [email-masked]

The Martin XLB-4 was a 1926 proposal for an all-metal biplane bomber 
powered by a pair of Pratt & Whitney R-1690 Hornet radials.  The Army 
was reluctant at that stage to experiment with all-metal aircraft, and 
the project never got off the drawing board.  

Sources:

  United States Military Aircraft Since 1909, Gordon Swanborough and
  Peter M. Bowers, Smithsonian, 1989.

  American Combat Planes, Ray Wagner, Third Edition, Doubleday, 1982.

Joe Baugher		AT&T Bell Laboratories   	
263 Shuman Boulevard 		Naperville, Illinois 60566-7050