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  #1  
Old 09-22-2020, 07:12 AM
280FX 280FX is offline
 
Join Date: Feb 2016
Location: Locust Grove, Ga
Posts: 27
Default Rivet Squeezing RV-4 wing spars.

I am building a F-1 Rocket and just finished riveting my R-4 wing spars using a pneumatic squeezer. Those 3/16” diameter rivets requires a tandem-piston (6000psi) to do the job. I got my pneumatic squeezer from Joe Krzyzewski of Atlanta Air Tool, Taft, Tenn. Joe custom manufacturers various squeezers/yokes and is very knowledgeable, professional, helpful, and friendly.

Joe is good friend with Bob Avery of Avery Tools, who has a custom yoke specifically designed for squeezing the 3/16” rivets on RV-4 main spar. Bob was kind enough to loan me his yoke. I also made a jig out of scrap 4X4” wood to hold the squeezer, which is easy to move around my work bench and clamp in place. This made the task very easy and fun to do, I am very happy with the results.

So, I want to give much thanks and kudos to Joe and Bob for being so helpful.
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F-1 Rocket, Empennage complete, Fuselage and Wings in progress.

Last edited by 280FX : 09-22-2020 at 07:45 AM.
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  #2  
Old 09-22-2020, 09:28 AM
PropMan PropMan is offline
 
Join Date: Dec 2008
Location: Donie,Texas
Posts: 202
Default

Looks good Dean, I too am prepairing to rivet my 4 spars, How much is that pneumatic squeezer? On my 6 i used the 2lb hammer and Avery rivet/dimple tool. Worked well, but having a pneumatic tool is appealing.
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  #3  
Old 09-22-2020, 09:38 AM
DanNiendorff DanNiendorff is offline
 
Join Date: May 2019
Location: Knoxville, TN
Posts: 73
Default Looks good.

Glad to see you got it done.
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  #4  
Old 09-22-2020, 11:06 AM
280FX 280FX is offline
 
Join Date: Feb 2016
Location: Locust Grove, Ga
Posts: 27
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Quote:
Originally Posted by PropMan View Post
Looks good Dean, I too am prepairing to rivet my 4 spars, How much is that pneumatic squeezer? On my 6 i used the 2lb hammer and Avery rivet/dimple tool. Worked well, but having a pneumatic tool is appealing.
The Squeezer costs $600 without any yokes. I almost borrowed one from a forum member who was kind enough to offer borrowing his. Thanks Dan.😉👍
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F-1 Rocket, Empennage complete, Fuselage and Wings in progress.
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  #5  
Old 09-22-2020, 02:13 PM
280FX 280FX is offline
 
Join Date: Feb 2016
Location: Locust Grove, Ga
Posts: 27
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Quote:
Originally Posted by DanNiendorff View Post
Glad to see you got it done.
Thanks Dan! I appreciate your offer to borrow your squeezer. 😉👍
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F-1 Rocket, Empennage complete, Fuselage and Wings in progress.
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  #6  
Old 01-20-2021, 12:56 PM
chrisdsimpson chrisdsimpson is offline
 
Join Date: Feb 2017
Location: Reno, Nevada
Posts: 2
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I will be building my main spar in a few months would it be possible to borrow this rivet squeezer ?

Thanks
-Chris
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  #7  
Old 01-21-2021, 11:41 AM
280FX 280FX is offline
 
Join Date: Feb 2016
Location: Locust Grove, Ga
Posts: 27
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Sorry, I am almost finished with Bob Avery’s yoke and he wants me to send it back to him. I would contact Bob about borrowing his yoke, and also Dan Niendorff from his post above to borrow his squeezer. I have two neighbors that are next in line waiting for my squeezer.
Dean
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  #8  
Old 01-21-2021, 06:32 PM
Dayz Dayz is online now
 
Join Date: Dec 2016
Location: Toronto, ON.
Posts: 35
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Wow, that squeezer looks great, and make your life easier.

But seriously, we were afraid as well, but used a harden steel rod in the C-Frame, Made sure Spar was level and Flat on the table, and all rivets are perfect....using that 5lbs Hammer. Took 1 hour.

I would not delay just for the tool, sounds weird, feels weird but works perfectly.
EL
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