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  #1  
Old 05-23-2021, 12:05 PM
Jskyking Jskyking is offline
 
Join Date: Apr 2018
Location: Huntsville,AL
Posts: 170
Default Torque tube sub assembly

I had to leave the shop the other day with this task left unattended. I performed the final torque on ends of the subassembly torque tubes for the right wing without needing any adjustments.

Moving to the left wing, I final torqued one side the. Moved to other. When I did the final torque, the bolt had a little over 1 thread showing, and it needed at least 3 to 5 threads . I didnít check the opposing bolt, due to time constraints.

Since the lateral dimension of the subassembly is fixed per the plans at 17 3/4 ď to 17 25/32 ď, Iím hopeful that I can loosen one nut and tighten the other, attaining the requisite threads exposed for both sides.

I wonít return to the shop til Tuesday, but Iím hoping this is a quick fix and loosening one end while tightening the other works out.

Any thoughts? Thanks. Jt
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  #2  
Old 05-23-2021, 03:21 PM
Bgill Bgill is offline
 
Join Date: Sep 2017
Location: Douglas, GA
Posts: 104
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If the nuts are fully torqued, I suspect that the aft support would flex enough to bottom out. In other words, if I am following correctly I donít think you can back off on one side and find extra thread surface on the other.
I would first verify that the washer is indeed a 0432 and not an 0463 - I have had them get mixed up... Second verify that there is no washer beneath the bearing taking up thread length. I haven't heard of it but the thread length could be off. I would verify the washer stack up first.
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  #3  
Old 05-24-2021, 01:56 PM
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HAL Pilot HAL Pilot is offline
 
Join Date: Nov 2015
Location: Las Vegas NV
Posts: 293
Default

I had an issue with the shaft of the assembly not seating all the way, it was too fat. Resulting in it being about 1/8 of an inch from seating. After consulting with Vans I ended up using some fine sand paper and reducing the diameter of the shaft to allow it to sit all the way. I then used an alodine pen on the exposed metal and later some grease also to prevent corrosion.
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Last edited by HAL Pilot : 05-24-2021 at 02:03 PM.
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  #4  
Old 05-24-2021, 02:06 PM
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HAL Pilot HAL Pilot is offline
 
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I though I had updated the WIKI with this so thanks for the reminder. Your thread is now enshrined in the WIKI. :-)

See signature for link.
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RV14A Tail kit 95%
Wing kit 95%
Fuselage QB stuck in China virus corrosion purgatory

RV 14 WIKI in Drop Box

https://www.dropbox.com/sh/xu5p6f4l7...bU0ck0pJa?dl=0

please purchase the thumb drive Vans offers. I DO NOT want to take away from sales flow or get the WIKI Killed.

---For Edit Access drop me a PM with your Email address.

EAA 1300
Donation Paid 18,19,20,21 Military exempt
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  #5  
Old 05-24-2021, 08:41 PM
Jskyking Jskyking is offline
 
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Thanks Pete, I’ll take a look at the gap. On first glance it looked ok, but I’ll take a closer look.
Jt
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