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  #1  
Old 11-29-2015, 07:54 PM
jeffw@sc47's Avatar
jeffw@sc47 jeffw@sc47 is offline
 
Join Date: Aug 2014
Location: Simpsonville, SC (SC47)
Posts: 408
Default Don't drop that BUCKING bar!

I seem to remember a post not too long ago asking for advice on how to smooth out a dent in a leading edge that was the result of dropping their bucking bar while riveting the leading edge skin to the LE ribs. While assembling the outboard leading edge skin and ribs today, that came to mind while handling a nice heavy tungsten bar inside the leading edge and having it slip in my hand a little and almost dropping it.

I cut some corrugated cardboard pieces to fit between the ribs to cover the leading edge on the inside and about 6 inches high on each of the top and bottom of the skin. Dropping the bar would likely not put a dent in the leading edge - I didn't do a test. Pretty simple and a good safety net.

Looking down into the leading edge at a resting tungsten bar. The cardboard is cut to expose the rib edges so they can be bucked without removing the cardboard.

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Jeff Warren
Simpsonville, SC (@SC47 > 10nm NW Triple Tree)
RV14A (N14ZT), Ser#140195
Start 10/11/14; AWC Rcvd 7/21/21
Contribution made 12/2/20 (USArmy 2/67-2/70)
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  #2  
Old 11-29-2015, 08:09 PM
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wirejock wirejock is offline
 
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 4,775
Default Idea

Good idea.
I taped a leash on mine.
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Estes Park, CO
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Donated 12/01/2021, plus a little extra.
RV-7A #73391, N511RV reserved (3,000+ hours)
Empennage, wings, fuse, finishing kit done. Working FWF
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  #3  
Old 11-29-2015, 08:14 PM
g zero g zero is offline
 
Join Date: Jun 2007
Location: palm coast fl.
Posts: 1,001
Default Bucking bar

If you stand the leading edge assembly on end its easier to rivet , and no chance of damage if you drop the bar .
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  #4  
Old 11-30-2015, 11:13 AM
BAK613 BAK613 is offline
 
Join Date: Aug 2015
Location: Burke, VA
Posts: 11
Default

Did you Alodine those LE Ribs?

Bruce
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Burke, VA
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  #5  
Old 11-30-2015, 07:41 PM
russ-e russ-e is offline
 
Join Date: Mar 2009
Location: brighton co.
Posts: 35
Default

If you ware a latex type glove when holding a bucking bar it is a lot less likely to get dropped. It is hard to believe how easy it makes it.
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  #6  
Old 11-30-2015, 08:45 PM
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jeffw@sc47 jeffw@sc47 is offline
 
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Location: Simpsonville, SC (SC47)
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Default

Quote:
Originally Posted by BAK613 View Post
Did you Alodine those LE Ribs?

Bruce
Bruce, it is a PPG industrial coating - Spectracron (QAP701 and QAP702), a two part etching primer. It is equivalent to the Sherwin Williams primer that is used on the QB kits by the Philippines assembly subcontractor.
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Jeff Warren
Simpsonville, SC (@SC47 > 10nm NW Triple Tree)
RV14A (N14ZT), Ser#140195
Start 10/11/14; AWC Rcvd 7/21/21
Contribution made 12/2/20 (USArmy 2/67-2/70)
www.mykitlog.com/jeffw@sc47

Last edited by jeffw@sc47 : 12-01-2015 at 07:03 PM.
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  #7  
Old 12-01-2015, 07:27 AM
flynwest flynwest is offline
 
Join Date: May 2008
Location: Sacramento
Posts: 398
Default Bucking Bar cover

I cut a little piece of bicycle inner tube and put it over the bucking bar to help both hold on to it and a little cushion just in case it falls.
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  #8  
Old 12-01-2015, 08:54 AM
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Lemmingman Lemmingman is offline
 
Join Date: Jun 2010
Location: McKinney, TX
Posts: 689
Default

I have a bundle of sheets and blankets that I put under wherever I am riveting. Except when I forget to put them there and drop my bucking bar anyway.
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