Thanks, Oscar. That explains a lot. This sounds easier than convincing my
wife to stand still while I draw!
By the way, I missed Drafting 101, since it was not considered a useful
subject in Political Sciences.
OK, I will avoid the confusion and frustration. Suffice to know that the
KR profile and the RAF 48 profile are not the same thing.
Serge
"Oscar Zuniga" <taildr...@hotmail.com>
Envoyé par : krnet-boun...@mylist.net
2005-05-04 14:48
Veuillez répondre à KRnet
Remis le : 2005-05-04 14:48
Pour : kr...@mylist.net
cc : (ccc : Serge VIDAL/DNSA/SAGEM)
Objet : KR> Is it really a RAF 48
A "french curve" is a drafting template (you remember Drafting 101, where
you learned technical drawing, orthogonal drawing, lettering, etc.?) ;o)
Anyway, you use it to "fair in" curves between points. It has nothing to
do
with Parisian women.
As Mark has noted many times, and documented in the technical reports on
the
development of the AS50xx-series airfoils, his early attempts to find
published RAF coordinates and to reconcile those with the printed profile
used on the KR, led to confusion and frustration. In the end, I believe
he
used a close approximation because the published coordinates didn't agree
with reality or with what Ken Rand used for the KR.
Oscar Zuniga
San Antonio, TX
mailto: taildr...@hotmail.com
website at http://www.flysquirrel.net
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