welded alum tank mod

Peter Cowan/Lexy Cameron · Post by **Peter Cowan/Lexy Cameron** » Fri Feb 17, 2012 9:37 pm

A Rebel near me (that may have been built in BC) has separate tanks, two per wing panel that mount from the bottom. One is outboard of the strut. The two stringers are cut out and the tank is held in with an 032 panel that is machine screwed to nut plates.

Does anyone know for sure if cutting the stringers and adding the heavier skin with bolts is structurally sound and roughly equivalent to the original? There is some debate on this here.
Peter.

Wayne G. O'Shea · Post by **Wayne G. O'Shea** » Fri Feb 17, 2012 9:37 pm

Peter, I think I know the Rebel you are talking about. White in colour and was used/or to be used for aerial photography in the Caribbean. Haven't seen it since 1995, when it was at the Arthur gliding club for the start of one of Bob's Rambles. Had the extra fuel, etc for that and camera holes in the wing tips. Anyhow, DO NOT COPY THE INSTALLATION as I sure wouldn't want to pull any negative G's (or positive ones for that mater) in this aircraft!

There's doing "mods", and then there is stupidity!

Best Regards,
Wayne G. O'Shea
www.irishfield.on.ca

----- Original Message -----
From: Peter Cowan/Lexy Cameron (cowcam@pipcom.com)
To: murphy-rebel@dcsol.com (murphy-rebel@dcsol.com)
Sent: Tuesday, January 08, 2002 12:02 PM
Subject: welded alum tank mod

A Rebel near me (that may have been built in BC) has separate tanks, two per wing panel that mount from the bottom. One is outboard of the strut. The two stringers are cut out and the tank is held in with an 032 panel that is machine screwed to nut plates.

Does anyone know for sure if cutting the stringers and adding the heavier skin with bolts is structurally sound and roughly equivalent to the original? There is some debate on this here.
Peter.

Bob Patterson · Post by **Bob Patterson** » Fri Feb 17, 2012 9:37 pm

Hi Peter !

There should be no debate - DO NOT <EVER> CUT THE STRINGERS !!
Mr. Murphy has been emphatic on several occasions about there being
no acceptable replacement method for eliminating the stringers in
the Rebel wing.

They act as small wing spars, and you weaken the wing with
even a nick in a stringer. (There are acceptable methods
to splice them, if necessary, but even that would make me nervous !)

There was even a bulletin from the factory about NOT using
separate aluminum tanks (particularly from one outfit in BC !) -
I think it's still on their web site.

If that's the Rebel I'm thinking of, I'd be afraid to stand
under the wings, never mind fly it !! ;-)
(There's a reason it hasn't flown for a while !)

.....bobp

-----------------------------------orig.---------------------------------
At 12:02 PM 1/8/02 -0500, you wrote:

A Rebel near me (that may have been built in BC) has separate tanks, two

per wing panel that mount from the bottom. One is outboard of the strut.
The two stringers are cut out and the tank is held in with an 032 panel that
is machine screwed to nut plates.

Does anyone know for sure if cutting the stringers and adding the heavier

skin with bolts is structurally sound and roughly equivalent to the
original? There is some debate on this here.

Peter.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>

<META content="text/html; charset=iso-8859-5" http-equiv=Content-Type>
<META content='"MSHTML 4.72.3110.7"' name=GENERATOR>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT color=#000000 face="Bookman Old Style" size=2>A Rebel near me (that
may have been built in BC) has separate tanks, two per wing panel that mount
from the bottom. One is  outboard of the strut. The two stringers are cut
out and the tank is held in with an 032 panel that is machine screwed to nut
plates.</FONT></DIV>
<DIV><FONT color=#000000 face="Bookman Old Style" size=2></FONT> </DIV>
<DIV><FONT color=#000000 face="Bookman Old Style" size=2>Does anyone know for
sure if cutting the stringers and adding the heavier skin with bolts is
structurally sound and roughly equivalent to the original? There is some

debate

on this here.</FONT></DIV>
<DIV><FONT color=#000000 face="Bookman Old Style"
size=2>Peter.</FONT></DIV></BODY></HTML>

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Dave Qualley · Post by **Dave Qualley** » Fri Feb 17, 2012 9:37 pm

Here's a link to the bulletin from Murphy..

http://www.murphyair.com/Support/Bulletins/041196rb.htm

Dave
#057SR

Bob Patterson wrote:
There was even a bulletin from the factory about NOT using
separate aluminum tanks (particularly from one outfit in BC !) -
I think it's still on their web site.

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Peter Cowan/Lexy Cameron · Post by **Peter Cowan/Lexy Cameron** » Fri Feb 17, 2012 9:38 pm

I wish you and Wayne wouldn't be so wishy-washy with your opinions. It is
hard to know where you stand.

Thanks, guys. I get the message.
Peter.
-----Original Message-----
From: Bob Patterson <bob.patterson@canrem.com>
To: murphy-rebel@dcsol.com <murphy-rebel@dcsol.com>
Date: January 8, 2002 1:32 PM
Subject: Re: welded alum tank mod

Hi Peter !

There should be no debate - DO NOT <EVER> CUT THE STRINGERS !!
Mr. Murphy has been emphatic on several occasions about there being
no acceptable replacement method for eliminating the stringers in
the Rebel wing.

They act as small wing spars, and you weaken the wing with
even a nick in a stringer. (There are acceptable methods
to splice them, if necessary, but even that would make me nervous !)

There was even a bulletin from the factory about NOT using
separate aluminum tanks (particularly from one outfit in BC !) -
I think it's still on their web site.

If that's the Rebel I'm thinking of, I'd be afraid to stand
under the wings, never mind fly it !! ;-)
(There's a reason it hasn't flown for a while !)

.....bobp

-----------------------------------orig.---------------------------------
At 12:02 PM 1/8/02 -0500, you wrote:
A Rebel near me (that may have been built in BC) has separate tanks, two
per wing panel that mount from the bottom. One is outboard of the strut.
The two stringers are cut out and the tank is held in with an 032 panel

that

is machine screwed to nut plates.
Does anyone know for sure if cutting the stringers and adding the heavier
skin with bolts is structurally sound and roughly equivalent to the
original? There is some debate on this here.
Peter.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>

<META content="text/html; charset=iso-8859-5" http-equiv=Content-Type>
<META content='"MSHTML 4.72.3110.7"' name=GENERATOR>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT color=#000000 face="Bookman Old Style" size=2>A Rebel near me

(that

may have been built in BC) has separate tanks, two per wing panel that

mount

from the bottom. One is  outboard of the strut. The two stringers are

cut

out and the tank is held in with an 032 panel that is machine screwed to

nut

plates.</FONT></DIV>
<DIV><FONT color=#000000 face="Bookman Old Style"

size=2></FONT> </DIV>

<DIV><FONT color=#000000 face="Bookman Old Style" size=2>Does anyone know

for

sure if cutting the stringers and adding the heavier skin with bolts is
structurally sound and roughly equivalent to the original? There is some
debate
on this here.</FONT></DIV>
<DIV><FONT color=#000000 face="Bookman Old Style"
size=2>Peter.</FONT></DIV></BODY></HTML>

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Wayne G. O'Shea · Post by **Wayne G. O'Shea** » Fri Feb 17, 2012 9:38 pm

We would rather be bold and seem rude, than to end up having one less
"friend" from the demise of flying a "time bomb"!!

Cheers,
Wayne

----- Original Message -----
From: "Peter Cowan/Lexy Cameron" <cowcam@pipcom.com>
To: <murphy-rebel@dcsol.com>
Sent: Tuesday, January 08, 2002 3:30 PM
Subject: Re: welded alum tank mod

I wish you and Wayne wouldn't be so wishy-washy with your opinions. It is
hard to know where you stand.

Thanks, guys. I get the message.
Peter.
-----Original Message-----
From: Bob Patterson <bob.patterson@canrem.com>
To: murphy-rebel@dcsol.com <murphy-rebel@dcsol.com>
Date: January 8, 2002 1:32 PM
Subject: Re: welded alum tank mod

Hi Peter !

There should be no debate - DO NOT <EVER> CUT THE STRINGERS !!
Mr. Murphy has been emphatic on several occasions about there being
no acceptable replacement method for eliminating the stringers in
the Rebel wing.

They act as small wing spars, and you weaken the wing with
even a nick in a stringer. (There are acceptable methods
to splice them, if necessary, but even that would make me nervous !)

There was even a bulletin from the factory about NOT using
separate aluminum tanks (particularly from one outfit in BC !) -
I think it's still on their web site.

If that's the Rebel I'm thinking of, I'd be afraid to stand
under the wings, never mind fly it !! ;-)
(There's a reason it hasn't flown for a while !)

.....bobp

-----------------------------------orig.---------------------------------
At 12:02 PM 1/8/02 -0500, you wrote:
A Rebel near me (that may have been built in BC) has separate tanks, two
per wing panel that mount from the bottom. One is outboard of the strut.
The two stringers are cut out and the tank is held in with an 032 panel
that
is machine screwed to nut plates.
Does anyone know for sure if cutting the stringers and adding the

heavier

skin with bolts is structurally sound and roughly equivalent to the
original? There is some debate on this here.
Peter.

<!DOCTYPE HTML PUBLIC "-//W3C//DTD W3 HTML//EN">
<HTML>
<HEAD>

<META content="text/html; charset=iso-8859-5" http-equiv=Content-Type>
<META content='"MSHTML 4.72.3110.7"' name=GENERATOR>
</HEAD>
<BODY bgColor=#ffffff>
<DIV><FONT color=#000000 face="Bookman Old Style" size=2>A Rebel near me
(that
may have been built in BC) has separate tanks, two per wing panel that
mount
from the bottom. One is  outboard of the strut. The two stringers

are

cut
out and the tank is held in with an 032 panel that is machine screwed to
nut
plates.</FONT></DIV>
<DIV><FONT color=#000000 face="Bookman Old Style"
size=2></FONT> </DIV>
<DIV><FONT color=#000000 face="Bookman Old Style" size=2>Does anyone

know

for
sure if cutting the stringers and adding the heavier skin with bolts is
structurally sound and roughly equivalent to the original? There is some
debate
on this here.</FONT></DIV>
<DIV><FONT color=#000000 face="Bookman Old Style"
size=2>Peter.</FONT></DIV></BODY></HTML>

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Walter Klatt · Post by **Walter Klatt** » Fri Feb 17, 2012 9:38 pm

Built in BC? Hmmm, I wonder if this is the one that was built at my home airport here in Langley, BC many years ago. It had a brand new 0235 engine in it, and I visited it many times during the construction as I was doing my own at the same time. It had the aluminium tanks, and may be the one that prompted that bulletin from MAM. There were a few other things I didn't like about it, and I learned what NOT to do when building mine. I think it had a big hole in the floor, too, for a camera. The builder, not the owner, was actually a professional AME, and he just thought he knew more than the factory about how this one should be built.

-----Original Message-----
From: murphy-rebel@dcsol.com [mailto:murphy-rebel@dcsol.com]On Behalf Of Wayne G. O'Shea
Sent: Tuesday, January 08, 2002 9:26 AM
To: murphy-rebel@dcsol.com
Subject: Re: welded alum tank mod

Peter, I think I know the Rebel you are talking about. White in colour and was used/or to be used for aerial photography in the Caribbean. Haven't seen it since 1995, when it was at the Arthur gliding club for the start of one of Bob's Rambles. Had the extra fuel, etc for that and camera holes in the wing tips. Anyhow, DO NOT COPY THE INSTALLATION as I sure wouldn't want to pull any negative G's (or positive ones for that mater) in this aircraft!

There's doing "mods", and then there is stupidity!

Best Regards,
Wayne G. O'Shea
www.irishfield.on.ca

----- Original Message -----
From: Peter Cowan/Lexy Cameron (cowcam@pipcom.com)
To: murphy-rebel@dcsol.com (murphy-rebel@dcsol.com)
Sent: Tuesday, January 08, 2002 12:02 PM
Subject: welded alum tank mod

A Rebel near me (that may have been built in BC) has separate tanks, two per wing panel that mount from the bottom. One is outboard of the strut. The two stringers are cut out and the tank is held in with an 032 panel that is machine screwed to nut plates.

Does anyone know for sure if cutting the stringers and adding the heavier skin with bolts is structurally sound and roughly equivalent to the original? There is some debate on this here.
Peter.