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Section 23 question about torque tube installation

 
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rv10(at)sinkrate.com
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PostPosted: Sun Oct 28, 2007 6:36 pm    Post subject: Section 23 question about torque tube installation Reply with quote

I have a question about the torque tube installation on Sec 23-7. When installing the torque tube the plans call for shimming any misalignment forward/aft using AN960-416/L washers. After the tube is slipped in place (scratching off a sizeable portion of my nicely primed and painted WD-1014C’s) and bolted together there was a fair amount of forward/aft play between the bearings. An AN960-416 on each side of torque tube between the bearings took the play out but as a result there is not enough threads poking through the AN365-428 lock nuts to be acceptable. If I take the washers out its might be possible to get 1 threads worth on each forward and aft nut but that might introduce some pre load on the structure (read squeeze things together)

Has anyone else encountered this? Should I just use a shorter lockunut?

Pictures here: http://www.sinkrate.com/rv10/pics.asp?f=sec23

-Ben
#40579
PDX

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VHMUM(at)bigpond.com
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PostPosted: Sun Oct 28, 2007 7:49 pm    Post subject: Section 23 question about torque tube installation Reply with quote

Vans know about this and were going to change the plans and parts to a thinner lock nut.

regards chris 388
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Eric_Kallio



Joined: 29 Jan 2006
Posts: 149
Location: Baton Rouge, LA

PostPosted: Mon Oct 29, 2007 4:53 am    Post subject: Re: Section 23 question about torque tube installation Reply with quote

Aircraft Spruce 364-428 nuts are the low profile nuts that will give you your thread engagement. Their part number is 04-01499.

Eric Kallio
40518 floors and antennas


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