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Old 12-01-2017, 06:50 AM
Fearless's Avatar
Fearless Fearless is offline
Join Date: Aug 2006
Location: Crestwood, KY
Posts: 835
Default Nose gear breakout question

I just need to confirm that when setting the breakout force on the nosegear - you set it with the tire just touching the ground and not with the full weight of the plane on the nose gear.

When landing my nose wheel seems to be flopping side to side on initial touchdown. It seems fine when taking off.
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Old 12-01-2017, 06:51 AM
AlexPeterson's Avatar
AlexPeterson AlexPeterson is offline
Join Date: Sep 2005
Location: Maple Grove, MN
Posts: 2,080

Nose wheel not touching the ground, pull at axle location 90 degrees to swivel.
Alex Peterson
RV6A N66AP 1600+ hours
Maple Grove, MN
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Old 12-01-2017, 11:57 AM
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Raymo Raymo is offline
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Location: Richmond Hill, GA (KLHW)
Posts: 1,734

If you haven't already, consider the Anti-Splat nose wheel bearing mod. They also sell a nice digital spring scale for measuring break-out force.
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Old 12-01-2017, 12:11 PM
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Vlad Vlad is offline
Join Date: Oct 2008
Location: NJ
Posts: 7,464
Default Nose gear flopping

Mike there will be rare occurrences of flopping nosewheel. I had it several times and it is not necessary attributed to breakout force. Might be hot landing while fighting a strong cross wind you touch the runway with NW then raise it being a bit sideways. It stay cocked due to low airflow and bounces when you try to glue it...
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Old 12-01-2017, 09:48 PM
rightrudder rightrudder is offline
Join Date: Mar 2014
Location: Laguna Hills, CA
Posts: 1,623

I'm getting some light nose-wheel shimmy on landings at 200 has developed in the last 20 hours or so, and I'm thinking it might have something to do with imbalance of the wheel/tire as a result of tire wear. So check all the usual suspects!

I just bought a motorcycle wheel balancer and some balance weights, and will check/adjust the break-out force. Should be completed by Wednesday, and I'll report back here.
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