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 lar...@socal.rr.com
