I'm anxious to see the pictures. Norm Seel
----- Original Message ----- From: "Rick Wilson" <[email protected]> To: "KRnet" <[email protected]> Sent: Monday, January 05, 2004 4:16 PM Subject: RE: KR>Control tubes > Sid, I'll do my best to explain how mine is set up. > I'll get some pictures in a few days and you will see > it's really quite simple. First, the stick is mounted > through a cutout slot in the top and bottom of a piece > of 2-1/8" aluminum round tubing-1/8" wall thickness. > The slot has flat aluminum pieces welded in the sides > of the slot on the bottom side, with flat pieces > welded on the top side of the tube with tabs that > stick up about 1/2" above the top surface of the tube. > These tabs are drilled for a pin with brass bushings. > The stick is pinned through these tabs so it can pivot > fore and aft. The stick extends through the slot in > the bottom of the tube and slides against the flat > plates on the sides. When the stick is rotated side to > side, it rotates the large tube side to side also. The > stick is mounted approximately 1" back from the front > end of the tube. There is a smaller piece of tubing > welded to a flat plate and bolted through the front > spar.The larger tube is slid over the end of the > smaller one and rotates around it. The push-pull tube > for the elevator is pinned to a fork at the control > stick and fits inside the large tube. At the aft end > of the large aluminum tube There is an aluminum plate > with a hole in the center large enough to allow the > push -pull tube to slide through it. The push-pull > tube goes to a bellcrank mounted just behind the rear > spar, where the elevator cables are attached. The flat > plate that is welded to the rear of the large tube has > control tabs that are at the top and bottom. The > aileron push-pull tubes are attached to the tabs with > rod ends and go to the aileron bellcranks in the stub > wings.There is a collar welded around the large > aluminum tube in front of the rear spar, Before the > aluminum plate was welded on, There was a piece of > tubing welded to another flat plate and holes drilled > in the flat plate to bolt through the rear spar from > the back side,This was slid over the larger tube > before the last plate was welded on to the rear of the > tube. You simply bolt the first flat plate on the aft > side of the front spar, Then slide the big tube > through the rear spar and slip it over the tube at the > front spar. The flat plate at the aft side of the rear > spar is then bolted to the rear spar and the aluminum > tube is captured between them. It rotates side to side > and the stick pivots fore and aft. I hope you > understand all this.I know it sounds complicated but > when you see the picture you can see how simple it > really is. Rick Wilson. > --- "Wood, Sidney M." <[email protected]> wrote: > > Rick, > > Do you use a bell crank attached to the aft spar? > > How do you keep the elevator movement at the stick > > from coupling to the ailerons? > > Sid Wood, KR-2 N6242 > > Mechanicsville, MD > > [email protected] > > > > -----Original Message----- > > From: Rick Wilson [mailto:[email protected]] > > Sent: Mon 1/5/2004 12:09 PM > > To: KRnet > > Cc: > > Subject: RE: KR>Control tubes > > > > > > > > Sidney, My KR2... It has aluminum > > push-pull tubes to the ailerons, works very well. > > I'll > > try and get some pictures in the next few days if > > anyone would like to see them. Rick Wilson. > > --- "Wood, Sidney M." <[email protected]> wrote: > > > Steve, > > > > > The 90-degree bellcranks would need > > > modification to account for the diagonal control > > > tube angle through the stub wing. > > > Sid Wood, KR-2 N6242 > > > [email protected] > > > > > > > > > -----Original Message----- > > > Any one got a web page out there on a > > design of > > > using tubes instead of the cable system? > > > > > > Steve McGee > > > Endeavor Wi. USA > > > Building a KR2S widened. > > > [email protected] > > > http://www.krnet.org/instructions.html > > > > > Rick Wilson, Haleyville, Alabama KR2-0200A -99% > > [email protected] > > > > > > > > > > > > > ATTACHMENT part 2 application/ms-tnef > name=winmail.dat > > _______________________________________________ > > see KRnet list details at > > http://www.krnet.org/instructions.html > > > > > ===== > Rick Wilson, Haleyville, Alabama KR2-0200A -99% [email protected] > > > > __________________________________ > Do you Yahoo!? > Find out what made the Top Yahoo! Searches of 2003 > http://search.yahoo.com/top2003 > > _______________________________________________ > see KRnet list details at http://www.krnet.org/instructions.html
