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Old 06-02-2023, 07:44 AM
Bob Y Bob Y is offline
Join Date: Jul 2017
Location: Piedmont, SC
Posts: 556

That really sucks, Jim. Iíd have trouble finding space for all of those weights. I just signed off my CI yesterday and balanced my nose wheel for the first time at around 300 hrs. Still the Vanís supplied tire and tube. As a comparison, it only took 0.25 oz opposite the valve stem to get it within 2.6 g of balance. And yes, my tire has the red dot, positioned at the valve stem.
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Bob Y - builder 12iS
N569TT first flight 2/9/2020
Greenville, SC

Last edited by Bob Y : 06-02-2023 at 10:05 AM.
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Old 06-02-2023, 08:49 AM
D Weisgerber's Avatar
D Weisgerber D Weisgerber is online now
Join Date: Sep 2019
Location: Ionia Michigan
Posts: 438

If I had to add that much weight I'd try rotating the tire on the rim 180 degrees and then see how much weight is needed.
Dave Weisgerber
RV8 N848DW. Ser#83830 done.
James Cowl
DAR inspection on 7-23-2021
First flight on 7-25-2021
Phase 2 on 9-3-2021
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Old 06-02-2023, 01:45 PM
seagull seagull is offline
Join Date: Dec 2019
Location: Highland, CA
Posts: 648

Jim, you can easily spin it up on the plane and know exactly what will happen in the air.
Live as if you were to die tomorrow. Learn as if you were to live forever.
visit my blog -
-- Walt --
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Old 06-03-2023, 11:48 AM
Piper J3's Avatar
Piper J3 Piper J3 is offline
Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 2,987

Per my post #70 above where I now have 14 pcs of 1/4 ounce lead weights to balance the new tire.... Today I flew to three outlier airports to test nose wheel balance. Looks really good... I spun-up the wheels a bit more than usual on takeoff and nose wheel was surprisingly smooth as it coasted to a stop. I checked to see if any weights shifted and appears hunky-dory. For now, I will run as is...
Jim Stricker - EAA #499867
PPL/ASEL 1970 - Sport Pilot since 2007
80 hrs Flying Aeronca Chief 11AC N86203
1130 hrs Flying 46 Piper J-3 Cub N6841H
Bought Flying RV-12 #120058 Oct 2015 with 48TT - Hobbs now 890

LSRM-A Certificate 2016 for RV-12 N633CM
Special Thanks... EJ Trucks - USN Crew Chief A-4 Skyhawk
MJ Stricker (Father - CFI) - USAAF 1st Lt. Captain B-17H
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Old 08-28-2023, 12:27 PM
snowsam snowsam is offline
Join Date: Nov 2022
Location: Chattanooga, TN
Posts: 2

Just a quick "Me Too" that:
1. doing a soft field landing and keeping the nose off proved that the issue was the nose wheel spinning
2. using the harbor freight balancer and working until the wheel assembly was finally balanced fixed issue.
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Old 09-25-2023, 08:10 AM
SPRV12 SPRV12 is offline
Join Date: Apr 2023
Location: Baltimore,MD
Posts: 3

I had a Cessna 150 with bad shimmy on takeoff and landing. I took the wheel pants off, and the problem was gone. I worked with a friend who did composite work for the military. He looked at the wheel pant and saw some bad repairs, but the real problem was a manufacturing defect in the trailing cone, too much rosin and glass. He set up a rig to find the center of gravity based on the nose wheel. It took time but fix the problem.
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