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11-14-2008, 04:43 PM
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Join Date: Apr 2007
Location: -
Posts: 501
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Source for squeezer shim washers?
Does anybody have a cheap or local source for squeezer shim washers? A couple of the vendors stock them, but I hate to pay $7 shipping on a $2 item.
An AN 3/16" light washer is about .032" thick which I think is a bit thick to do fine adjustment.
Thanks,
-DC
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11-14-2008, 04:50 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Actually .032" is well within rivet tolerance. Also, as you use these washers over time they become thinner.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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11-14-2008, 05:08 PM
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Join Date: Apr 2007
Location: -
Posts: 501
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Mel,
Will .032" also be an okay step size for dimpling adjustment?
-DC
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11-14-2008, 05:12 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Shims shouldn't have much effect on dimpling. The dimple is complete when the dies bottom out. just don't over do the pressure when dimpling. You should need very little pressure. I use the pop rivet dimpler on all holes and use about 7-10 psi on the pneumatic puller.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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11-14-2008, 05:29 PM
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Join Date: Jan 2005
Location: Tampa, FL
Posts: 2,861
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2 words...
... Adjustable set. It is worth every penny in my book.
__________________
Todd "I drink and know things" Stovall
PP ASEL-IA
RV-10 N728TT - Flying!
WAR EAGLE!
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11-14-2008, 06:10 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,027
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Quote:
Originally Posted by Auburntsts
... Adjustable set. It is worth every penny in my book.
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I second that.
Get an adjustable set for the squeezer (pneumatic I assume) then you can adjust it the same as a hand rivet squeezer.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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11-14-2008, 06:21 PM
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Join Date: Dec 2005
Location: Oliver, B.C. Canada (Okanagan valley)
Posts: 786
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Quote:
Originally Posted by Auburntsts
... Adjustable set. It is worth every penny in my book.
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Same here.
Sure it costs about $25.00, but well worth it for the time saving.
If you need a an extra couple thou... just dial it in!
__________________
Lorne
RV 7a tip-up
Pre-cover MD-RA Inspected.
Canopy completed. Bonded with Sika-Flex.
Up on her mains, Firewall Fwd and wiring on going.
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11-14-2008, 07:51 PM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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I borrowed one...
Quote:
Originally Posted by lorne green
Same here.
Sure it costs about $25.00, but well worth it for the time saving.
If you need a an extra couple thou... just dial it in!
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...with an adustable set, and didn't like it. While I was riveting a long row of identical rivets, the adjuster turned on it's own.... 
I prefer my fixed one with shims. Thick and thin AN960 washers work well, and I only use the thinner shim I have occasionally.... it does help getting the correct "squish" on the smaller -3 rivets.
If you are careful, I bet you could grind down a thin AN washer to half thickness, and you will then have all the shims you need.
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
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11-14-2008, 08:02 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,027
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Quote:
Originally Posted by az_gila
...with an adustable set, and didn't like it. While I was riveting a long row of identical rivets, the adjuster turned on it's own....
I prefer my fixed one with shims. Thick and thin AN960 washers work well, and I only use the thinner shim I have occasionally.... it does help getting the correct "squish" on the smaller -3 rivets.
If you are careful, I bet you could grind down a thin AN washer to half thickness, and you will then have all the shims you need. |
Gil, If you learned to work with faster to adjust tools, maybe you could get rid of the "Very Slow Build" designation 
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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11-14-2008, 08:49 PM
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Join Date: Jun 2006
Location: Castaic, CA
Posts: 549
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Quote:
Originally Posted by az_gila
...with an adustable set, and didn't like it. While I was riveting a long row of identical rivets, the adjuster turned on it's own....
I prefer my fixed one with shims. Thick and thin AN960 washers work well, and I only use the thinner shim I have occasionally.... it does help getting the correct "squish" on the smaller -3 rivets.
If you are careful, I bet you could grind down a thin AN washer to half thickness, and you will then have all the shims you need. |
I ran a line down the side of my adjustable set with a sharpie so I could keep an eye on it because, yes, they move with use.
__________________
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Mike Sumner
Castaic, Ca
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