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Re: Parabolic Reflector Curve



In article <3uf8kr$cfd@warp.cris.com> Whipsnap@cris.com (WHIPPERSNAPPER) wrote:

> A brief search having revealed nothing, I'll put the question to all and
> sundry:  What is the mathematical formula of a parabola?
> 
> I'd like to produce an accurate template for each of several parabolic
> reflectors with varying focal lengths.
> 
> I have no less than three separate applications for these things; a
> small solar oven, an IR sensor (with a weak and distant source) and a
> directional microphone.
> 
> Thanks in advance to the many I know will kindly respond.
> ---
>   OLX 2.1 TD  Proofread carefully to see if you any words out.
>                                                                                                             
y^2=4kx where k is the focal length.
springs to mind



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