I have a retractable Tri-gear under construction at www.jrl-engineering.com on the hanger page. Photos are old now the plane is on the gears now, I am working on the canopy and instrument panel. I will update them when I have enough time, it's not a priority for me at this time.
KRron ----- Original Message ----- From: "gleone" <[email protected]> To: <[email protected]> Sent: Thursday, August 05, 2004 4:15 PM Subject: Re: @WL KR> tortional loads +early friday > I remember seeing a picture of a KR-2 with retractable tricycle gear. The > problem is, I don't remember where. Anyway, if anyone else remembers seeing > that picture and (hopefully when and where), you might want to track down > the builder of that plane and ask how he/she did it. All I remember is it > was within the last year or two. > > Gene Leone, Worland, Wyoming > > When you give a lesson in meanness to a critter or a person, don't be > surprised if they learn their lesson. > -------Original Message------- > > From: KRnet > Date: 08/05/04 14:52:51 > To: krnet > Subject: @WL KR> tortional loads +early friday > > Hi KR heads > As some of you know, I am working on a full retract tricycle gear on my > rendition of a KR2S. Tonight I went to look at some wood for the forward > outer spars at a friend of mine who is a very respected person in the > experimental world over here. > I was discussing the retract system with him and he brought up a point that > I had not considdered at all. As my retract system requires that the bottom > wing skin of the stubwings be split basically from root to outboard end in > order for the gear to retract into the wing. This means that the bottom skin > will no linger be continuous between the spars. > > My question is: What, if any, tortional loads does the skin carry under > normal conditions due to forces applied by ailerons, etc. and what effect > will the splitting of the skin in order to accomodate the gear have on wing > strength. > > As a bit of background, my gear will consist of a 1.5" 4130 tube between the > spars supported each end by a bearing mounted in a piece of aluminuim that > bolts onto the spars by picking up the W.A.F bolts. To this tube will be > another 1.5" tube welded at 90* to it forming the gear leg. At the bottom of > this will be a trailing link arrangement with a damper. The tube between > the spars will be mounted almost at the outboard end of the stubwings and > the gear will retract towards the fuselage just clearing it to sit > completely inside the wing. > > Any thoughts from those in the know will be greatly appreciated. > Thank you > next day: > On a less serious note, I was fortunate enough to have had the "WHISPER" > experience today. After work I was invited to go on a "test" flight for > about half an hour down the coast here. This plane is remarkable. I was > amased when Russell (the designer,builder &pilot) let go of the stick > immediately as the tail came off the groung and the plane just took off and > flew straight ahead in a steady climb all by itself! Takeoff roll was less > than 80metres with a 13 knot headwind! Deploying the spoilers on final > brings the glide slope from 28:1 down to 8:1, feels like the seat has fallen > out of the bottom of the plane. > For more info see my signature line. > Dene Collett > KR2S-RT builder > Port Elizabeth > South Africa > mailto: [email protected] > P.S: checkout www.whisperaircraft.com > > > > _______________________________________ > to UNsubscribe from KRnet, send a message to [email protected] > please see other KRnet info at http://www.krnet.org/info.html > > _______________________________________ > to UNsubscribe from KRnet, send a message to [email protected] > please see other KRnet info at http://www.krnet.org/info.html > >
