Today's Message Index:
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1. 03:04 AM - Re: rivet sets (Afterfxllc@aol.com)
2. 04:25 AM - Re: rivet sets (DaveG601XL)
3. 05:29 AM - Re: rivet sets (Geoff Heap)
4. 03:32 PM - Re: rivet sets (dsleepy47)
Message 1
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Terri
Something tells me the small piece you are practicing with is to hard to
hold while riveting. I would suggest clamping the piece in a vise then hold
pressure at all times on the head of the rivet use your body weight if you
have to. hold the bucking bar against the rivet but let it bounce slightly
as you squeeze the trigger. You get smiley faces because the rivet gun
bounced on the rivet head from either removing the bucking bar before you
stopped the gun or you didn't hold pressure on the head. Just like flying when
you get it you will know it.
BTW if you are using a 3 x gun it will just take longer to set the rivets
but it can be done. A 4 x makes a world of difference.
Jeff
Message 2
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For most of my rivets, I used the rivet set that is on the left of the attached
picture. I bought it from Aircraft Spruce. I think it weighs a couple pounds.
For the center spar top rivets, it was a little tight getting to the underside
shop heads. I grabbed a piece of steel I had laying in the shop and it worked
great. It only weighs a 1/2 pound or so. It is on the right side of the
picture. I did have to hold it a lot tighter since it was lighter.
--------
David Gallagher
601 XL/Jabiru 3300
First flight 7/24/08
116.5 hours and holding (incorporating upgrade)
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Message 3
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Again. When you let go the trigger on the rivet gun, you should still have a lot
of pressure on the rivet. Its easy to think you are safe to ease off at the
same time but you 'll get a smile every time....Geoff
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http://forums.matronics.com/viewtopic.php?p=285592#285592
Message 4
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Here is a chart of rivet size to bucking bar weight. With the right size gun, bucking
bar and the right air pressure it should take 3 to 5 strokes of the gun
to form the shop head. It looks like you are driving it way too long.
You need to get comfortable hitting them hard and quick. Assuming you have the
correct size set that should work.
--------
dsleepy47
N1491R
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http://forums.matronics.com/viewtopic.php?p=285725#285725
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