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Old 06-23-2019, 10:04 AM
T.O.Craig T.O.Craig is offline
Join Date: Feb 2006
Posts: 168
Default Front tire shimmy

To the "Brain Trust"
Our first flight is this week after 13+ years. During a taxi test we had a violent nose wheel shake that may have abort our take off if and when that happens. After checking the side drag which is at 35# we realized that the tire had a huge flat spot in the tire. It was at least 1/4" maybe more. The plane has been on these tire for over 3 years which I'm sure is the problem, and have not been balanced.
1.Run the tire anyway and hope the flat spot goes away with a few landings.
2. Replace the tire. If replacing the tire, what tires are recommended?
Craig Rufi
FLYING NOW AFTER 13+ YEARS. NICE FLYING AIRCRAFT!!My son is the pilot, now I have to learn!!
RV-10/Empennage/Wings/QB Fuselage/Wiring/Doors done finally, Cowling done. Stein panel complete, and connecting all those wires :-))All those wires are now connected and working..Thousand Oaks, Ca. Dues paid for 2022
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Old 06-23-2019, 12:48 PM
lr172 lr172 is offline
Join Date: Oct 2013
Location: Schaumburg, IL
Posts: 6,783

Rubber doesn't typically take a full set unless dried out. I would leave the tire with the flat spot somewhere other than ground contact and crank the pressure to it's maximum, then check in a couple of days. I have had a few cars that would exhibit light tire vibrations for the first couple of miles after sitting for an extended period. Always went away.

N64LR - RV-6A / IO-320, Flying as of 8/2015
N11LR - RV-10, Flying as of 12/2019
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