Serge: I have made thge same observation and see no good reason why it should be so difficult and I wish to change to a dual stick anyway but see a potential problem with adequate room beteen the outside of the sticks and wing-fuselage interface fore the turn-buckles. I am almost driven to this by a stupid that the person that started this craft that I took over did.
Don Lively Burlington. IA 52601 ------------------------------------------------------------------------ Serge VIDAL wrote: > On Sunday, I had a look at the dual sticks assembly on my KR2, and I found > enough rust here and there to decide it needed a good repaint; so, I > removed the complete assembly from the KR2 to bring it home. > > Man, that was a mission! Because there was not enough clearance around the > screws that hold the Nylon blocks to the main spar to use a socket. Took > me forever to unscrew. Bugger! > > Anyway, my dual stick is pretty much the same design as Mark Langford's, > with a torque tube and a rod that links both sticks at the bottom. I was > thinking that it is a shame that it is made of steel, because it sure is > heavy; aluminum would be lighter and look nicer, but welding aluminum > always is a big issue. > > Then I realized that to make it, you don't really need to weld anything. > And this applies to any torque tube. All you have to do is to order > ready-made aluminum flanges that fit around the tube. Then, to make the > tube guides (stops), you would simply rivet the flanges to the tubes. You > could also Epoxy glue the flange to the tube before you rivet, for safety. > To make the horn, you would cut an aluminum plate that would match the > flange flat size (rim) plus the protruding horn , and rivet it to the > flange. The stick attachment would be made with two plates each, that > would be rivetted to the tube. > > I talked to one of my colleagues who is an experienced builder, and he > told me that actually, several European designs use torque tubes built > more or less that way. > > Probably not worth rebuilding the part for this KR2, but this is something > I will definitely try on my next aircraft ;-) > > Serge Vidal > KR2 "Kilimanjaro Cloud" > Paris, france > _______________________________________ > 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
