Serge Had'nt thought of that one. I think it's a good idea Pat ----- Original Message ----- From: "Serge VIDAL" <serge.vi...@sagem.com> To: "KRnet" <kr...@mylist.net> Sent: Friday, June 24, 2005 12:51 PM Subject: Réf. : KR> Having a washer under the head
> During an annual, my inpector insisted that I put a LARGE washer at the > end of the stack that you describe. His idea was that should the bearing > fail (ball separating from the body), the rod end should not be able to > get around the nut and separate from the horn. > > For the rest, I plan to make aluminium spacers, rather than washers, but > that's just for aesthetics. > > Serge Vidal > KR2 "Kilimanjaro Cloud" > Paris, France > > > > > > > larry flesner <fles...@midwest.net> > > Envoyé par : krnet-bounces+serge.vidal=sagem....@mylist.net > 2005-06-24 17:09 > Veuillez répondre à KRnet > Remis le : 2005-06-24 17:13 > > > Pour : KRnet <kr...@mylist.net> > cc : (ccc : Serge VIDAL/DNSA/SAGEM) > Objet : KR> Having a washer under the head > > > > In other words here is the order-- bolt head,washer, >>control horn, 2 washers, Large washer, castle nut with cotter pin. That >>puts a total of 4 washers in this system. I could replace the 2 washers >>with a aluminum spacer but that dose not seem practical to me. I know >>others have had to do something at these points to get the geometry to >>work. I just don't want to be rebuilding in front of an inspector >>Joe Horton > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > In my humble opinion, when circumstances dictate, let common sense > prevail. I used a thick wall nylon spacer between my aileron horn and > the rodend bearing on the aileron pushrod to get the correct geometry. > > The forces at that point are not great but you MUST have a system that > has zero slop or endplay to eliminate the posibility of flutter and > control sloppiness. Check for correct maximum deflection, and > eliminate any binding or slop. > > The accepted procedure for bolt alignment on aircraft is head up or > to the front of the aircraft but there are times when that's not possible > and a bolt is inserted from the bottom or rear. Sometimes you gotta > do what you gotta do. > > If your inspector gives you any hassle on that point, and I doubt that > he/she will, make them give you their opinion on exactly how it > should be done to be acceptable. Don't let them get by with " well > I'm not sure but you'll have to change it". I really don't think you > have anything to worry about. > > Larry Flesner > > > > _______________________________________ > 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 > > > _______________________________________ > 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
