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DOOR SILL REINFORCEMENT

Posted: Fri Feb 17, 2012 8:26 pm
by BILNEWKIRK
MY PLANE IS FLYING. IF I PUT A DOUBLER OVER THE DOOR SILL, SHOULD THE
EXISTING RIVETS BE REMOVED?

BILL N
#376
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DOOR SILL REINFORCEMENT

Posted: Fri Feb 17, 2012 8:26 pm
by Bob Patterson
Bill,

I wouldn't bother with a doubler over the door FRAMES (ST-31 or
ST-28), if you're already flying. Wait until (or IF) you get some dents
there ... Making these frames out of the thicker material <while
building>, IS a good idea - it adds strength, without a lot of weight.

If you mean the panel BELOW the door (FUS-26) - that IS worth
doubling, by drilling out the old rivets, making an overlay of .025,
and glueing it over top of the old piece with lots of epoxy chromate,
and re-rivetting the two pieces in place. This is particularly important
on floats, as this area seems to flex a lot.

Of course, as always, these, or ANY, mods are purely the BUILDER'S
CHOICE !!
.....bobp

----------------------------------orig.---------------------------
At 03:30 PM 10/3/00 EDT, you wrote:
MY PLANE IS FLYING. IF I PUT A DOUBLER OVER THE DOOR SILL, SHOULD THE
EXISTING RIVETS BE REMOVED?

BILL N
#376
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The Murphy Rebel Builders List is for the discussion
between builders and owners of Murphy Rebel aircraft.
Archives located at:
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*--------------------------------------------------------------------------
---------*

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The Murphy Rebel Builders List is for the discussion
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*-----------------------------------------------------------------------------------*




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