Where is all this stuff coming from? I got plans for a KR-1 in the mid seventies and have never herd of a wing failer on a KR> Jim
----- Original Message ---- From: Glenn Martin <rep...@martekmississippi.com> To: KRnet <kr...@mylist.net> Sent: Sat, October 2, 2010 9:49:57 PM Subject: Re: FW: KR> KR2 ARTICLE-KITPLANES NOV 2010 John Martindale wrote: > A long time ago before "experimental" came along (like in the 1980s), the > Australian authorities did mandate a change to the bolt arrangement that > specified a spacer tube between each pair of WAFs and a longer single > through bolt instead of two short independent bolts. > > I think this reflects a better engineering solution with respect to shear > forces I can see how a thicker bolt could improve shear strength, or a bolt of a greater rating, but unless I am missing something, I see no way that a longer bolt of the same type and size could improve its shear strength at the wing attach fitting junction through an increase in its length. Did I miss somthing in physics class? -- Glenn Martin (N5PQ) Martek Mississippi Electronic Repair 13238 Hudson-Krohn Rd. Biloxi, MS, 39532 rep...@martekmississippi.com _______________________________________ Search the KRnet Archives at http://www.maddyhome.com/krsrch/index.jsp to UNsubscribe from KRnet, send a message to krnet-le...@mylist.net please see other KRnet info at http://www.krnet.org/info.html
