The Murphy Builders Site

We are about to close the tanks and need to make a number of right angle
sheet metal pieces to slip over the stringers. These are in turn riveted
to the rib and tank skin at each stringer tank penetration. The intent is
to minimize the dependence on Proseal to fill the gaps. Does anyone have a
tip on how to cut the "J" cutout in these to most closely fit the stringer?
My best thought so far is a Dremel with 1/8" carbide rotary cutter to act
as a router.
Thanks for your ideas.
Ralph Baker
Elite 611E

PS- We are in Sumter, South Carolina, at Sumter airport (SMS). Any other
Murphy builders in the area?

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I found that the spiral scroll saw blade by Craftsman in a scroll saw works
great.

It makes it a very simple process

Keith Oliver
Elite
N654ME


-----Original Message-----
From: Ralph Baker [mailto:rbaker@sumter.net]
Sent: Sunday, October 29, 2000 10:56 AM
To: murphy-rebel@dcsol.com
Cc: rbaker@sumter.net
Subject: Elite tank sealing

We are about to close the tanks and need to make a number of right angle
sheet metal pieces to slip over the stringers. These are in turn riveted
to the rib and tank skin at each stringer tank penetration. The intent is
to minimize the dependence on Proseal to fill the gaps. Does anyone have a
tip on how to cut the "J" cutout in these to most closely fit the stringer?
My best thought so far is a Dremel with 1/8" carbide rotary cutter to act
as a router.
Thanks for your ideas.
Ralph Baker
Elite 611E

PS- We are in Sumter, South Carolina, at Sumter airport (SMS). Any other
Murphy builders in the area?

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Be careful not to make those 'J's TOO tight, Ralph ! Several builders
had problems because they didn't leave enough slop for the ProSeal to
ooze out around the stringers .....

FWIW, some have made these plates with the cutout for BOTH
sides of the bulkheads, putting the ProSeal in between, and letting it
fill the space & ooze out to make a complete seal .....

(kind of a yucky reverse Oreo !! ;-) )

....bobp

-----------------------------orig.----------------------------------------
At , you wrote:

At 10:55 AM 10/29/00 -0500, you wrote:

We are about to close the tanks and need to make a number of right angle
sheet metal pieces to slip over the stringers. These are in turn riveted
to the rib and tank skin at each stringer tank penetration. The intent is
to minimize the dependence on Proseal to fill the gaps. Does anyone have a
tip on how to cut the "J" cutout in these to most closely fit the stringer?
My best thought so far is a Dremel with 1/8" carbide rotary cutter to act
as a router.
Thanks for your ideas.
Ralph Baker
Elite 611E

PS- We are in Sumter, South Carolina, at Sumter airport (SMS). Any other
Murphy builders in the area?

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Archives located at:
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Ralph that's what I used. Another tip before closing the tank up make up little plates
with the top skin hole patterns to hold the angles and stringers in place, then goop the
angles and stringers up and let harden before installing the top. Don't worry about
little gaps as you can close them up easily using this method.

Ralph Baker wrote:

We are about to close the tanks and need to make a number of right angle
sheet metal pieces to slip over the stringers. These are in turn riveted
to the rib and tank skin at each stringer tank penetration. The intent is
to minimize the dependence on Proseal to fill the gaps. Does anyone have a
tip on how to cut the "J" cutout in these to most closely fit the stringer?
My best thought so far is a Dremel with 1/8" carbide rotary cutter to act
as a router.
Thanks for your ideas.
Ralph Baker
Elite 611E

PS- We are in Sumter, South Carolina, at Sumter airport (SMS). Any other
Murphy builders in the area?

*-----------------------------------------------------------------------------------*
The Murphy Rebel Builders List is for the discussion
between builders and owners of Murphy Rebel aircraft.
Archives located at:
http://www.dcsol.com/murphy-rebel/lists/default.htm
*-----------------------------------------------------------------------------------*

--
Wray Thompson ...Rebel 306 ...home page http://webhome.idirect.com/~wrayt/ or
http://wrayt.tripod.ca/
My ICQ number is 29764664


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