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dan(at)rdan.com Guest
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Posted: Sat Jan 28, 2006 6:30 pm Post subject: 1st rivet's confussion |
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Just wanted to check, I ready to rivet the HS spar to the stiffners and brackets,
do the Rivets go from foward to aft, spar to stiffner, thin to thick , shop head on the (thicker) stiffner, (aft)
Thanks
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jeffpoint
Joined: 10 Jan 2006 Posts: 72 Location: MKE
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Posted: Sat Jan 28, 2006 6:57 pm Post subject: 1st rivet's confussion |
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Yuo are correct. The general rule for riveting is that the shop head
goes on the thicker material, unless the plans indicate otherwise.
Jeff Point
RV-6
Milwaukee
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_________________ Jeff Point
RV-6
Milwaukee WI |
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jim jewell
Joined: 09 Jan 2006 Posts: 82 Location: Kelowna B.C. Canada
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Posted: Sat Jan 28, 2006 9:43 pm Post subject: 1st rivet's confussion |
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Hi Dan,
Riveting the shop head on the (thicker) stiffer structure is the preferred
way to go. Putting the shop head on the thicker material avoids or reduces
local area distortion that might occur on the thinner material, You might
occasionally find it won't work out that way due to assembly stages or
access with the rivet gun or bucking bar.
The forward, aft, top and bottom orientation consideration is used more in
reference to nuts and bolts etc. Supposedly if the nut or lock pin, clip
etc, falls away, the bolt will remain in place a while attempting to do it's
job. {[;-?
Are ya Havin fun yet?
Jim in Kelowna - Putting the wings on the 6a
---
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rv7(at)b4.ca Guest
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Posted: Sun Jan 29, 2006 8:42 am Post subject: 1st rivet's confussion |
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On 18:55:04 2006-01-28 Jeff Point <jpoint(at)mindspring.com> wrote:
Quote: | Yuo are correct. The general rule for riveting is that the shop head
goes on the thicker material, unless the plans indicate otherwise.
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In this location, however, many people (myself included) opted to put the
factory head on the stiffener side, since it's the side that will be
visible (sort of) when the airplane is complete. The reason for putting
the factory head on the thinner side is that when you form the shop head,
you're more likely to stretch/deform the thinner material. In this case,
it seems the thinner material doesn't stretch significantly when setting
the rivet on that side. So the joint is equally strong either way.
The builder's manual for my -7 says that while the norm is to put the
factory head on the thinner material side, there have been no problems with
putting the factory head on the thicker material side in this location.
-Rob
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Tailgummer(at)aol.com Guest
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Posted: Mon Jan 30, 2006 6:29 am Post subject: 1st rivet's confussion |
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One thing to keep in mind is that if you ever needed to drill out and
replace a rivet, it is way easier and more accurate (less likely to enlarge or mess
up a hole) if you have access to the manufactured head.
John D'Onofrio RV8
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