Re: Re: simplex airfoil

From: Fred or Judy Rash <frash_at_chartertn.net>
Date: Mon, 03 Dec 2012 10:20:46 -0500

Thanks, Ray and everyone. This is clear and straightforward. Please
ignore my earlier incorrect response to Art.

Fred Rash


On 12/3/2012 9:53 AM, ray_harlan wrote:
>
> I don't think there should be much trial and error if you do the
> following. Say you want a 3% cambered airfoil. For a 3" chord, that is
> .09" high. A 45 degree diagonal rib will be 4.24 long. .09/4.24 = .021
> = 2.1% camber. Dividing the straigjht rib height by the diagonal rib
> length will give you the camber percentage. Just plot that Simplex rib
> along with the straight rib to get everything.
>
> Ray
>

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Received on Mon Dec 03 2012 - 07:20:56 CET

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