At 01:28 PM 7/2/2004, you wrote: >The spar cap spacing is notably bigger with the new sections. I gather >from the structural guys that this makes for a stronger wing spar (for >the same size cap material) - question is, are the shear loads now >greater maybe requiring a heavier ply web?
The shear load is not affected. It is always the total weight that is being carried by the spar. Increasing the spacing between the spar caps does not affect the shear. Don Reid - donreid "at" erols.com Bumpass, Va Visit my web sites at: AeroFoil, a 2-D Airfoil Design And Analysis Computer Program: http://www.eaa231.org/AeroFoil/index.htm KR2XL construction: http://users.erols.com/donreid/kr_page.htm Aviation Surplus: http://users.erols.com/donreid/Airparts.htm EAA Chapter 231: http://eaa231.org Ultralights: http://usua250.org VA EAA State Fly-in: http://vaeaa.org
