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02-11-2019, 09:31 AM
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Join Date: Jun 2016
Location: West Chester, PA
Posts: 100
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I am a fan of the no hole yoke it tight spots.
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02-11-2019, 10:01 AM
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Join Date: Mar 2006
Location: Newport, TN
Posts: 7,496
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I have ground the nose of my yokes to match the radius of the largest diameter dies I have.
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02-11-2019, 01:42 PM
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Join Date: Jul 2005
Posts: 1,347
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^^^^ Brantel speaks from experience.
Grind that nose.
__________________
Mike W
Venice, FL
RV-6A. Mattituck TMX O-360, FP, GRT Sport EFIS, L3 Lynx NGT-9000
N164WM
N184WM reserved (RV-8)....finishing kit in progress. Titan IOX-370
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02-11-2019, 01:58 PM
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Join Date: Mar 2008
Location: Dublin, CA
Posts: 1,261
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I find that I have more control with my Tatco hand squeezer. In general I try to use it versus my pneumatic squeezer. Also, make sure you check the length of your exposed rivet with a gauge. A rivet that is too long will bend over. For -4 rivets I have to use my pneumatic squeezer.
When using the pneumatic squeezer make sure you keep the plunger aligned with the axis of the rivet. You can feather the trigger a little to position the squeezer slightly but it can be difficult. Usually you hit the trigger and you get what you get. If you have the plunger side on the flush side of the rivet it takes care and practice to get a perfect shop head. Try feathering the trigger so that you can make sure you are still aligned along the axis of the rivet as you get close to compressing the rivet.
__________________
Ray Tonks
2020 Donation Paid
Titan IOX-370, Dual PMAGs, 9.6:1 Pistons, FM-150
RV-7 Fuselage in progress
* Cabin Interior - In progress
RV-7 SB Wings
* Both Wings fully skinned
* Fuel Tanks Complete - No leaks finally
* Ailerons Complete
* Flaps Complete
RV-7 Empennage - Complete (a little fiberglass work left)
Vans Training Kit # 2 - Complete
RV-7 Preview Plans
Vans Training Kit #1 - Complete
EAA Sheet Metal Class - Complete
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02-11-2019, 03:28 PM
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Join Date: Aug 2014
Location: Bowie MD
Posts: 886
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Kudos to you for sticking with the squeezer for so long.
But the gun and a tungsten is way more forgiving (better?) for -4 rivets and larger. I only use my squeezer on -3s and smaller (if I use it at all), and yeah everything the guys said above will help you if you remain wedded to your squeezer.....but you dont have to.
__________________
Mani
Busby MustangII (FoldingWing) Pending DAR.
Don't be a hater; I'm a cousin with thin wings! 
N251Y (res)
Last edited by maniago : 02-11-2019 at 03:33 PM.
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02-11-2019, 03:39 PM
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Join Date: Aug 2014
Location: Edmonton, AB
Posts: 216
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I too sometimes have to struggle with my squeezer. Sometimes its a bit temperamental. (I too am using the Isham adjustable rivet set) I have good success with setting AN426 rivets as getting a good set is all in getting the die perfectly flat on the factory head, and making sure the rivet tail is centered on the die before squeezing. Squeezing AN470 rivets are sometimes a bit more tricky as it is more difficult to get the cupped rivet set sitting perpendicular and square on the factory head. No question that I have better success bucking (And you become a master if you skin the wings yourself)but it can be a bit hard on light material with a 3x gun. Sometimes I've started bucking the AN470 rivet with a hit or two and then squeezed it to finish it off. Always turns out perfect that way.
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02-12-2019, 05:23 AM
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Join Date: Mar 2018
Location: East Aurora, NY
Posts: 23
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I too had the same problem starting out. One thing that helped is to secure the work piece so it can't move when you squeeze. Another tip I came across here is to the scuff the surface of the set, a sidewalk worked great.
__________________
D.J.B.
RV-14A #140356
East Aurora, NY
Empennage in Process
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02-12-2019, 07:17 AM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Quote:
Originally Posted by Brantel
I have ground the nose of my yokes to match the radius of the largest diameter dies I have.
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I absolutely hate grinding on a nice tool, but in this case it is/was necessary. It will not fit or leave a mark otherwise. The material removed is not a stressed area.
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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02-12-2019, 08:02 AM
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Join Date: Jul 2012
Location: n. wi
Posts: 778
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with my pneumatic squeezer i have noticed that setting the rivet with the face of the die perfectly square to the shop end of the rivet does not make as nice a finished rivet as slightly moving the back of the gun in the direction of the closed side of the c yoke. i suppose this is because of a little flex in the 3''
3'' yoke.
__________________
Bob Noffs
n. wi.
dakota hawk/jab 3300 built and flying. sold 6/18.getting serious about the 12. in the hangar now as of 10/15/19
RV-12 kit as of 9/13
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02-12-2019, 12:17 PM
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Join Date: Nov 2017
Location: Dallas, TX
Posts: 44
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Not sure if this is just me or not, but I find that I get much better results if I do not have riveting tape (3M magic tape in my case) on the manufactured head. It seems odd to me that it would make much of a difference but I've found it to be extremely repeatable. It may be in the same train of thought as scuffing the sets. Perhaps the tape reduces friction a bit making the set more susceptible to slip.
__________________
Zach Miller
RV-7 Empennage Complete, Wings Underway
Donation made 2020
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