The Murphy Builders Site

I recently had a short discussion with Darryl Murphy regarding the use of
Avex pull rivets vs solid rivets. In summary, Darryl pointed out that the
shear strength of the skin in most places (e.g. 0.025 thickness I believe
he
was using as an example) is only about 165lbs. Hence, his contention is
that the Avex is plenty strong enough--to go stronger (his point) means
that
the skin fails versus the rivet failing.

Also, there doesn't seem to be any instance (that I'm aware of) where an
Avex rivet installation failed on a Rebel, SR or Moose that caused any
problem (that would otherwise have been prevented thru the use of a solid
rivet).

Food for thought...

Ted

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com] On Behalf Of
eric.r@dcsol.com
Sent: Wednesday, September 27, 2006 9:25 AM
To: rebel-builders@dcsol.com
Subject: Re: [rebel-builders] RE: Dimpled Rivets

O.K., I have a question on the rivet substitution chart. Am I reading
correctly that a dash-3 solid aluminum rivet is far superior in bearing
and
shear to any avex 1/8 installation?
On 9/26/2006 7:53 PM, mike.davis@dcsol.com wrote to rebel-builders:

-> No problem, I've moved it into General Documentation.
->
-> Mike
->
-> ----- Original Message -----
-> From: "Dale Fultz" <dfultz17086@earthlink.net>
-> To: <rebel-builders@dcsol.com>
-> Sent: Tuesday, September 26, 2006 7:05 PM
-> Subject: Re: [rebel-builders] RE: Dimpled Rivets
->
->
-> > Hi Mike,,, Sorry to cause you problems, I guess I got the rivet
-> > chart in the wrong section could you put it in the appropriate
-> > place so everyone can find
-> > it.. I believe it is in the Elite Misc. file section.. Thanks Dale
-> > SR-033
-> > ----- Original Message -----
-> > From
->





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Hi,

It may be heresy to mention his name here, but Chris Heintz has some good
information on his site.
http://www.zenithair.com/kit-data/ht-87-1.html

Another consideration that I read somewhere.... Often the spacing of the
rivets is based on the need to use more rivets to keep the joint flat than
are necessary to carry the shear load giving an extra margin of strength.

More food for thought.

Allen Poulsen
786R

Hmm... and here I thought they used so many rivets simply because deburring
is so much fun!

Mike


----- Original Message -----

Hi,

It may be heresy to mention his name here, but Chris Heintz has some good
information on his site.
http://www.zenithair.com/kit-data/ht-87-1.html

Another consideration that I read somewhere.... Often the spacing of the
rivets is based on the need to use more rivets to keep the joint flat than
are necessary to carry the shear load giving an extra margin of strength.

More food for thought.

Allen Poulsen
786R

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Anybody got the number of a good shrink?

On 11/4/2006 10:42 AM, rebel-builders@dcsol.com wrote to MIKE DAVIS:

-> Mike,
->
-> You don't know what fun is! I flush rivetted the entire airframe which
means I dimpled the whole thing too. Now that's real fun!
->
-> -------------- Original message --------------
-> From: "Mike Davis" <mike.davis@dcsol.com>
->
-> > Hmm... and here I thought they used so many rivets simply because
deburring
-> > is so much fun!
-> >
-> > Mike




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