Sam, Can I offer a suggestion? Take a piece of yarn and tape it to your windshield. Use this as a test to verify your corrections. If it is straight your right on.
If it cocks, you should have made the correction at the rudder. Happy flying Dee On Sun, Dec 6, 2020 at 12:25 AM Samuel Spanovich via KRnet < [email protected]> wrote: > Folks, with the assistance of many of you on the site, my trim issue is > fixed! > > For reference; my trim system is operated by tightening/loosening a cable > that runs from the cockpit to just aft of the pilots seat, where it is > connected to a rotating metal lever. From there, the lever moves a > different cable, which is connected to the elevator trim tab, giving nose > up/nose down trim. Additionally, the metal lever is connected to a spring, > which keeps tension on the metal lever so the mechanism is nice and tight, > and prevents the trim tab from moving inadvertently. > > I looked into getting one of the Ray Allen trim servos, however a simple > inspection of my current trim system revealed that the cable, which > adds/releases tension to the spring, was way too loose. So initially, it > took 1/3 of the movement on my trim adjustment handle in the cockpit, > before the cable was adding any tension on the spring . Basically, I was > losing 1/3 of my nose up trim. > > I tightened the cable, so now I was getting a no kidding full nose up > trim, but this was still not enough. While this certainly helped, the > plane still had an overall tendency to nose down during cruise, even with > full nose up trim. > > At the advice of many of you on here, I took some sheet metal, cut it out > to the approximate size of my current trim tab, bent it to an approximate > 30 degree angle (about the same angle as my trim tab with full nose up > trim), and double sided taped it to the trailing edge of the elevator. The > result; this GREATLY neutralized the nose down tendency of the plane. It’s > almost like it gave the plane a “factory reset”, so now when the trim tab > is in neutral, the plane is fairly neutral. And trimming nose up or down > actually changes the nose accordingly! > > I took this a step further, and did the same thing on my right wing. My > plane has always had a slight “roll left” tendency, so I took some more > sheet metal about 4”x4” bent it to about a 30-45 degree angle, and mounted > it to the trailing edge of my right aileron. This in theory would force my > right aileron up, and should help neutralize the left rolling tendency. > > After all was said and done (both with the elevator and the aileron trim > tabs), the plane actually managed to fly hands off. Not an exaggeration, a > “true”, hands off flight condition. I almost wondered if I was dreaming, > because it was the first time in over two years I could actually take my > hand off the stick and the plane would continue to truck straight ahead! > > So to all of you out there who took the time to reply to my original post > a few weeks ago, or have reached out to me personally, THANK YOU! The > plane is so much more of a pleasure to fly now! > > V/R > > Sam Spanovich > N6399U > 74S, Anacortes WA > > Sent from my iPhone > _______________________________________________ > Search the KRnet Archives at > https://www.mail-archive.com/[email protected]/. > Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. > see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change > options. > To UNsubscribe from KRnet, send a message to [email protected] > _______________________________________________ Search the KRnet Archives at https://www.mail-archive.com/[email protected]/. Please see LIST RULES and KRnet info at http://www.krnet.org/info.html. see http://list.krnet.org/mailman/listinfo/krnet_list.krnet.org to change options. To UNsubscribe from KRnet, send a message to [email protected]
