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Nose gear oversized bushing info

 
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philperry9



Joined: 23 Nov 2011
Posts: 330

PostPosted: Tue Oct 03, 2017 7:58 am    Post subject: Nose gear oversized bushing info Reply with quote

I am in the process of cleaning up some slop in my nose gear and wanted to get these part numbers listed in the archives for future builders/pilots.

Vans sells oversized bushings for the VA-143 and VA-144 bushings supplied with the kit. They’re difficult to find in the system, so I want to give you the details that will help.

VA-143 Replacement
BUSH-ST 438X780X1.938

VA-144 Replacement
BUSH-ST 313X780X1.563

One last thing, for those recently ending phase 1... Like Tim mentioned it’s a good idea to check your breakout force for your nose wheel. The plans call for 26 pounds when pulled at the axel. I checked mine at approximately 44 hours and mine was down to 5 pounds. So it’s a good idea to check those and tighten them up sometime in a middle of Phase 1.

Phil

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philperry9



Joined: 23 Nov 2011
Posts: 330

PostPosted: Tue Oct 03, 2017 10:03 am    Post subject: Nose gear oversized bushing info Reply with quote

And I found the VA-143 oversized replacement (.780) is too big for my application. But the standard (.750) is too small and allows too much slop.

Next step is to use a snap gauge to take some ID measurements and then machine down the .780 to fit.

I’m guessing about .002 clearance is good? Anyone who has machined their own have any suggestions on how much clearance they’ve found success with?

Phil

Sent from my iPhone

Quote:
On Oct 3, 2017, at 10:57 AM, Phillip Perry <philperry9(at)gmail.com> wrote:



I am in the process of cleaning up some slop in my nose gear and wanted to get these part numbers listed in the archives for future builders/pilots.

Vans sells oversized bushings for the VA-143 and VA-144 bushings supplied with the kit. They’re difficult to find in the system, so I want to give you the details that will help.

VA-143 Replacement
BUSH-ST 438X780X1.938

VA-144 Replacement
BUSH-ST 313X780X1.563

One last thing, for those recently ending phase 1... Like Tim mentioned it’s a good idea to check your breakout force for your nose wheel. The plans call for 26 pounds when pulled at the axel. I checked mine at approximately 44 hours and mine was down to 5 pounds. So it’s a good idea to check those and tighten them up sometime in a middle of Phase 1.

Phil



Sent from my iPhone





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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?RV10-List
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