Correct Larry David Mikesell 23597 N. Hwy 99 Acampo, CA 95220 209-609-8774 [email protected] www.skyguynca.com ----- Original Message ----- From: "larry severson" <[email protected]> To: "KRnet" <[email protected]> Sent: Thursday, May 26, 2005 8:43 PM Subject: Re: KR> ground effect
> At 07:48 AM 5/27/2005 +1000, you wrote: > >I don't believe that the wing span is the determining factor. Take a > >glider with a 23 meter (75ft) wing span, there is no way your are in > >ground effect at 12 m (37ft) of the ground. Wing span, cord length, wing > >loading and spead must be in the calculation (guessing). > > > >Not being an expert, and not needing to the scinentific reasons, just > >nowing how to use it and/or deal with it is all I need know. :-) > > Sorry, but in both my classes in Aero in college, and during my training as > an airline pilot, ground effect starts at 1/2 the wing span. (Drag due to > lift reduces by 1/2 at the 1/2 wing span height because the down flow off > the aft part of the wing is cut off.) > > > Larry Severson > Fountain Valley, CA 92708 > (714) 968-9852 > [email protected] > > > _______________________________________ > Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp > to UNsubscribe from KRnet, send a message to [email protected] > please see other KRnet info at http://www.krnet.org/info.html

