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cowl brace

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Murray and Carol Cherkas

cowl brace

Post by Murray and Carol Cherkas » Fri Feb 17, 2012 10:56 pm

Hello

The cowl brace in the MAM manual is 3 1/4" in height and 6" wide.Is this
enough height for maximum cooling or should one make this a little higher.
Waynes' seems to be a bit bigger in height and width.Is this due to making a
4 door cowl?

All replies much appreciated.

Murray Cherkas
getting there with thew groups help.Thanks



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Murray and Carol Cherkas

cowl brace

Post by Murray and Carol Cherkas » Fri Feb 17, 2012 10:56 pm

Wayne

Brian sent me the cowling manual. Your brace has 2 holes in it as well as
the 45* angle brace which is not shown in the MAM plans.It looks a little
bigger.

A while back I thought I read that this cowling was a little deficient for
the exiting air.Hence a little higher brace.

Thanks again

Murray

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Wednesday, April 16, 2003 8:41 PM
To: murphy-rebel@dcsol.com
Subject: Re: cowl brace


"Waynes' seems to be a bit bigger in height and
width".........................What you referring too there Murray???

Seriously, I don't think it's bigger but I will measure it tomorrow and let
you know for sure. You are talking the lower brace off the bottom of the
firewall that I also have the extra brace on a 45* angle behind it, to hold
the frames shape when all the doors are off.

Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 12:30 AM
Subject: cowl brace

Hello

The cowl brace in the MAM manual is 3 1/4" in height and 6" wide.Is this
enough height for maximum cooling or should one make this a little higher.
Waynes' seems to be a bit bigger in height and width.Is this due to making
a
4 door cowl?

All replies much appreciated.

Murray Cherkas
getting there with thew groups help.Thanks



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Wayne G. O'Shea

cowl brace

Post by Wayne G. O'Shea » Fri Feb 17, 2012 10:56 pm

"Waynes' seems to be a bit bigger in height and
width".........................What you referring too there Murray???

Seriously, I don't think it's bigger but I will measure it tomorrow and let
you know for sure. You are talking the lower brace off the bottom of the
firewall that I also have the extra brace on a 45* angle behind it, to hold
the frames shape when all the doors are off.

Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 12:30 AM
Subject: cowl brace

Hello

The cowl brace in the MAM manual is 3 1/4" in height and 6" wide.Is this
enough height for maximum cooling or should one make this a little higher.
Waynes' seems to be a bit bigger in height and width.Is this due to making
a
4 door cowl?

All replies much appreciated.

Murray Cherkas
getting there with thew groups help.Thanks



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Wayne G. O'Shea

cowl brace

Post by Wayne G. O'Shea » Fri Feb 17, 2012 10:56 pm

If you don't put the 45* angle brace on it, as shown in my pictures, the
frame work will sag when you have all four doors off. It just needs that
little extra to hold it up.

I will measure what I built and get back to you, but I think I used the MAM
supplied piece at the time.

Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 1:00 AM
Subject: RE: cowl brace

Wayne

Brian sent me the cowling manual. Your brace has 2 holes in it as well as
the 45* angle brace which is not shown in the MAM plans.It looks a little
bigger.

A while back I thought I read that this cowling was a little deficient for
the exiting air.Hence a little higher brace.

Thanks again

Murray

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Wednesday, April 16, 2003 8:41 PM
To: murphy-rebel@dcsol.com
Subject: Re: cowl brace


"Waynes' seems to be a bit bigger in height and
width".........................What you referring too there Murray???

Seriously, I don't think it's bigger but I will measure it tomorrow and
let
you know for sure. You are talking the lower brace off the bottom of the
firewall that I also have the extra brace on a 45* angle behind it, to
hold
the frames shape when all the doors are off.

Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 12:30 AM
Subject: cowl brace

Hello

The cowl brace in the MAM manual is 3 1/4" in height and 6" wide.Is this
enough height for maximum cooling or should one make this a little
higher.
Waynes' seems to be a bit bigger in height and width.Is this due to
making
a
4 door cowl?

All replies much appreciated.

Murray Cherkas
getting there with thew groups help.Thanks



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Wayne G. O'Shea

cowl brace

Post by Wayne G. O'Shea » Fri Feb 17, 2012 10:56 pm

Sorry Murray, Spent 11 hours with a fresh air hood on my head today, without
taking a break, and forgot all about measuring the cowl brace. Will do so in
the morning!
Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 1:00 AM
Subject: RE: cowl brace

Wayne

Brian sent me the cowling manual. Your brace has 2 holes in it as well as
the 45* angle brace which is not shown in the MAM plans.It looks a little
bigger.

A while back I thought I read that this cowling was a little deficient for
the exiting air.Hence a little higher brace.

Thanks again

Murray

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Wednesday, April 16, 2003 8:41 PM
To: murphy-rebel@dcsol.com
Subject: Re: cowl brace


"Waynes' seems to be a bit bigger in height and
width".........................What you referring too there Murray???

Seriously, I don't think it's bigger but I will measure it tomorrow and
let
you know for sure. You are talking the lower brace off the bottom of the
firewall that I also have the extra brace on a 45* angle behind it, to
hold
the frames shape when all the doors are off.

Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 12:30 AM
Subject: cowl brace

Hello

The cowl brace in the MAM manual is 3 1/4" in height and 6" wide.Is this
enough height for maximum cooling or should one make this a little
higher.
Waynes' seems to be a bit bigger in height and width.Is this due to
making
a
4 door cowl?

All replies much appreciated.

Murray Cherkas
getting there with thew groups help.Thanks



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Wayne G. O'Shea

cowl brace

Post by Wayne G. O'Shea » Fri Feb 17, 2012 10:56 pm

Murray, my lower cowl brace is 3 5/8" high by 8" wide. The flange attached
to the bottom of the firewall is 8" and then the lower flange is trimmed
down to 7". This works with the way I made the cowling, with a 1" angle
running down each side of the filter box to mount the lower piano hinge to
for the bottom doors. 7" wide on the brace gives just enough for the angle
to mount as well as the anchor nut/screw combination to attach it. I believe
there is a head on shot of the air inlet that lets you see the angle/piano
hinge set up in the archives. If you need something clearer and more
detailed let me know!

Wayne

----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 10:59 PM
Subject: Re: cowl brace

Sorry Murray, Spent 11 hours with a fresh air hood on my head today,
without
taking a break, and forgot all about measuring the cowl brace. Will do so
in
the morning!
Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 1:00 AM
Subject: RE: cowl brace

Wayne

Brian sent me the cowling manual. Your brace has 2 holes in it as well
as
the 45* angle brace which is not shown in the MAM plans.It looks a
little
bigger.

A while back I thought I read that this cowling was a little deficient
for
the exiting air.Hence a little higher brace.

Thanks again

Murray

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Wednesday, April 16, 2003 8:41 PM
To: murphy-rebel@dcsol.com
Subject: Re: cowl brace


"Waynes' seems to be a bit bigger in height and
width".........................What you referring too there Murray???

Seriously, I don't think it's bigger but I will measure it tomorrow and
let
you know for sure. You are talking the lower brace off the bottom of the
firewall that I also have the extra brace on a 45* angle behind it, to
hold
the frames shape when all the doors are off.

Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 12:30 AM
Subject: cowl brace

Hello

The cowl brace in the MAM manual is 3 1/4" in height and 6" wide.Is
this
enough height for maximum cooling or should one make this a little
higher.
Waynes' seems to be a bit bigger in height and width.Is this due to
making
a
4 door cowl?

All replies much appreciated.

Murray Cherkas
getting there with thew groups help.Thanks



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Wayne G. O'Shea

cowl brace

Post by Wayne G. O'Shea » Fri Feb 17, 2012 10:56 pm

Murray, I should add that my cylinders run around 375*F so I have plenty of
air movement through the cowling the way I built it. My oil temperature
sometimes runs on the warm side around 230*F but I let it so I know that I
have no water in the engine! I believe this is more because I have a stupid
vernthane temp regulator in my screen housing than cowl design, as the
regulator doesn't allow oil flow until it reaches a certain temperature. I
should change to a straight screen housing and put the cold oil bypass valve
back in so the oil cooler is running at all times and then make a slider
valve for the oil cooler for winter usage.

Cheers,
Wayne

----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Friday, April 18, 2003 5:14 PM
Subject: Re: cowl brace

Murray, my lower cowl brace is 3 5/8" high by 8" wide. The flange attached
to the bottom of the firewall is 8" and then the lower flange is trimmed
down to 7". This works with the way I made the cowling, with a 1" angle
running down each side of the filter box to mount the lower piano hinge to
for the bottom doors. 7" wide on the brace gives just enough for the angle
to mount as well as the anchor nut/screw combination to attach it. I
believe
there is a head on shot of the air inlet that lets you see the angle/piano
hinge set up in the archives. If you need something clearer and more
detailed let me know!

Wayne

----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 10:59 PM
Subject: Re: cowl brace

Sorry Murray, Spent 11 hours with a fresh air hood on my head today,
without
taking a break, and forgot all about measuring the cowl brace. Will do
so
in
the morning!
Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 1:00 AM
Subject: RE: cowl brace

Wayne

Brian sent me the cowling manual. Your brace has 2 holes in it as well
as
the 45* angle brace which is not shown in the MAM plans.It looks a
little
bigger.

A while back I thought I read that this cowling was a little deficient
for
the exiting air.Hence a little higher brace.

Thanks again

Murray

-----Original Message-----
From: mike.davis@dcsol.com [mailto:mike.davis@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Wednesday, April 16, 2003 8:41 PM
To: murphy-rebel@dcsol.com
Subject: Re: cowl brace


"Waynes' seems to be a bit bigger in height and
width".........................What you referring too there Murray???

Seriously, I don't think it's bigger but I will measure it tomorrow
and
let
you know for sure. You are talking the lower brace off the bottom of
the
firewall that I also have the extra brace on a 45* angle behind it, to
hold
the frames shape when all the doors are off.

Wayne

----- Original Message -----
From: "Murray and Carol Cherkas" <cherkas@shaw.ca>
To: <murphy-rebel@dcsol.com>
Sent: Thursday, April 17, 2003 12:30 AM
Subject: cowl brace

this
higher.
making
a
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