Thanks Bob, I am going to check tire pressure and the Diehl gear at the attach point. It just about has to be one of those 2 items as I had not noticed this problem before so something has changed.
Jeff York KR-2 Flying N839BG Home page http//:web.qx.net/jeffyork40/ My KR-2 http://web.qx.net/jeffyork40/Airplane/ to see my KR-2 Email jeffyor...@qx.net ----- Original Message ----- From: "Robert L. Stone" <rsto...@hot.rr.com> To: "KRnet" <kr...@mylist.net> Sent: Monday, September 19, 2005 1:12 PM Subject: Re: KR> Nose Gear question > Jeff, > I have the same problem with my spam can (Cessna 152). If I taxi too > fast the nose wheel will start to shimmy and I have to come to an almost > complete stop to get it to track straight. If I taxi reasonable slow like > maybe ten miles an hour, I have no problem. On landing and take off, I keep > the nose wheel of the runway as well as I can until the speed is enough for > take off or when landing I keep the yoke back as long as I can so I am > slowed down before the nose wheel touches. My aircraft is equipped with a > shimmy dampener and as far as I can see nothing is wrong with it. > > Bob Stone, Harker Heights, Tx > rsto...@hot.rr.com > > ----- Original Message ----- > From: <jeffyor...@qx.net> > To: "KRnet" <kr...@mylist.net> > Sent: Monday, September 19, 2005 8:30 AM > Subject: KR> Nose Gear question > > > > OK, So I may not supply quite enough info for a complete evaluation but, I > > am going to try and get your alls advise. > > > > Yesterday when I went to rotate to take off, just at or before the nose > > gear lifted, I felt a pretty significant shimmy in the nose gear. The nose > > came up and the airplane lifted off. I decided to pull the power and set > > back down. I pulled the power, let the plane sit back down and upon the > > nose gear touch down, the shimmy came back but much worse. I was actually > > wondering if it was the nose wheel or something significantly out of > > balance with the engine. > > I never really looked at the air speed indicator but I looked at the tach > > and noticed that I still had 2200 RPM and was having a difficult time > > getting the RPM's to come down. I have the vernier ( screw in and out ) > > type throttle so I began back screwing the throttle. Everything finally > > slowed down and I taxied off and back to my hanger. > > > > Upon inspection of the nose wheel it appears that the bolt that appears to > > hold the little coil spring posts centered, has bent. Or maybe it was bent > > before I started. I also want to point out that the free castering nose > > wheel self centers when you lift up on the front end, a test I was told > > indicates that you have the right tension and such on the nose wheel. In > > testing a couple of them at the gathering, I noticed they did not self > > center and those owners indicated they had no shimmy issues. By the way > > that information was not meant as any criticism of anyone else's KR. I > > just wanted to compare my nose gear adjustment to others while there. > > > > Here is my question. Did I let the nose gear touch down with to much speed > > thus precipitating the shimmy? Did I do a poor preflight and this > > centering bolt was already bent ( Slightly, spring still looks to still be > > contained ) ? > > > > Is it possible that I let the plane stay planted to long and had to mush > > speed before I pulled the nose wheel come up? Thus precipitated the whole > > thing. Maybe I need to look at the nose gear at the point of the engine > > mount / fire wall? > > > > Your thoughts experiences? > > > > Jeff York > > KR-2 Flying > > N839BG > > Home page http//:web.qx.net/jeffyork40/ > > My KR-2 http://web.qx.net/jeffyork40/Airplane/ to see my KR-2 > > Email jeffyor...@qx.net > > _______________________________________ > > 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 >
