gcrowder2
Joined: 09 Jan 2006
Posts: 136
Location: Golden, Colorado USA
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 Posted: Sat Sep 27, 2008 9:18 pm Post subject: New tandem wheel flying wing biplane - this one's differe |
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Yes Graham thats all very good but we're talking about an aircraft that can fly point to point C airport to airport at 112 mph cruise C
1.2 gph yielding 93 miles/gal with no ground crew or tow plane. This was with a 24 hp Koenig two stroke. A four stroke would break 100 mpg. Also C 19/1 L/D is phenomenal for any type of powered a/c. Even the Europa barely breaks 10/1 L/D.
Also C after flying hang gliders sucessfully for 27 yrs (except for knocking out two front teeth - damn that hurt!) I can attest that it is very easy to break a deep stall in a very lightweight aircraft by simply moving the pilot's upper body weight forward!
(at)Peter C I remember now changing the airfoils from a Wortmann FX series to a NACA 23012. This was to reduce what I thought was
excessive negative pitching moment in the a/c at higher speeds. With the 23012 there is almost no -Cmo requiring just conventional
retrimming for higher speeds. Here is a page showing technical specs and dimensions for the Stratos:
Specs: http://users.mo-net.com/shirl/LigetiStory.htm
3 view with dimensions: http://users.mo-net.com/shirl/Stratos3ViewWeb.jpg
Glenn
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