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Old 11-16-2019, 11:11 AM
Surfdoc Surfdoc is offline
Join Date: Feb 2009
Location: Fly-In Port Orange, FL
Posts: 31
Default W-917 Assembly

Wondering if anyone else had the following problem. I am on to assemble the W-917 pushrod. I can not for the life of me get the threaded end into the tube. Not even close to being able to bang it in. Any suggestions?
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Old 11-16-2019, 11:34 AM
GeoffP's Avatar
GeoffP GeoffP is online now
Join Date: Sep 2018
Location: NSW, Australia
Posts: 138
Default Yep....

I fitted these recently & had the same pain. I sanded the inside of the end of the tube a bit then inserted the threaded end by hand as best I could. Then I put a sacrificial nut on the end with a stack of washers underneath so I didn?t damage the thread, and used a mallet to drive it in. I?m very certain it won?t come out.
RV-9, Tail Feathers done, Wings almost done.
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Old 11-16-2019, 06:23 PM
eric.the.blonde eric.the.blonde is offline
Join Date: Mar 2017
Location: Ann Arbor
Posts: 30
Default Another way

They're a tight fit. I didn't like the idea of banging on the pushrod insert. So I bought a pair of threaded rods and angle irons. Drilled 3 holes in the angles, the middle for the pushrod and the others for the hardware store threaded rods. I then used nuts and washers on the hardware store rods to apply pressure to the pushrod insert, similar to an arbor press I suppose, while a heat gun was applied to the tube.
Eric G.
Ann Arbor, MI
RV-9A under construction (wings)
President, EAA Chapter 333 Flying Stinkers
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Old 11-16-2019, 07:25 PM
RV10Man RV10Man is offline
Join Date: Jan 2005
Location: Oklahoma City, OK
Posts: 912

If I remember correctly, I put my rods in the lathe and polished the insides with scotch brite.
RV9A under construction--N781DM reserved
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Old 11-21-2019, 04:48 AM
WingsOnWheels WingsOnWheels is offline
Join Date: Mar 2009
Location: Plano, TX
Posts: 2,030

You can also put a deep socket over the rod end, and bang on that. then the load is in the shoulder, rather than risking damage to the threads.
Colin P.
RV-6A #20603
Complete 5/10/19
I donate every year on my B-Day (in Dec), but donated early in Sep'19.
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Old 11-22-2019, 11:12 AM
Surfdoc Surfdoc is offline
Join Date: Feb 2009
Location: Fly-In Port Orange, FL
Posts: 31

Many Thanks for the guidance, they went together with out a glitch. Now on to W-918, aileron to bellcrank. Already snapped a rivet with the squeezer and now trying to back-rivet using the C-frame. Not pretty. Any suggestions from those who came before? Seems like the rivet is one size too big?
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