The Murphy Builders Site

Posted: **Fri Feb 17, 2012 10:17 pm**

Mike, and All,

Checked my SR kit supplies and yes there are 4 cable bushings in the parts
drawers. Presume 2 for elevator and 2 for rudder, with (I presume) the
reason for usage being that they are easier to center using standard size
washers than if you had thimbles in these locations.

Don't see a problem with drilling them out to 1/4" I.D., as even after you
do so there will be about 47thou of wall thickness left between the bolt and
the cable.

Cheers,
Wayne G. O'Shea
www.irishfield.on.ca

----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Monday, July 08, 2002 9:14 PM
Subject: Re: Cable bushing or thimble?

As long as your cable end stays straight, the thimbles not being clipped
shouldn't be a problem. When they are not clipped many times the swage
against the thimble causes the end to kink to one side and leaves no

flexing

ability in the assembly and sometimes their so bad they need a vice and
pliers to straighten them out, with the "fear" being that the sharp

thimble

ends might be cutting into the cable strands.

Don't know about the thimble vs bushing as haven't gotten their yet on the
SR. Did/does MAM provide bushings and thimbles with the kit, as I didn't
inventory my 2nd hand kit? I will have a look as to what I have in the kit
as well as the NOS stock I have, as I have a selection of AN111 cable
bushings with 270 of the -4's in stock that are supposed to be for 1/8"
cable ( and like you say are 3/8" diameter by 3/16" bore)

Wayne G. O'Shea
www.irishfield.on.ca

----- Original Message -----
From: "Mike Kimball" <mkimball@gci.net>
To: <murphy-rebel@dcsol.com>
Sent: Friday, July 05, 2002 5:59 PM
Subject: Cable bushing or thimble?

My manual tells me that the elevator cables should use cable bushings on
the
end that attaches to the elevator horns. But the bushings for 1/8 inch
cable have 3/16 holes and the holes in my horns are 1/4. It doesn't

look

like there's enough material in the bushing to drill it out. A: What's
the
deal? B: Can I use thimbles instead of bushings?

Mike Kimball
SR #044

P.S. I recently read about clipping the little ends off of the thimbles
before crimping. I have not done that. The little ends just get

squished

up in the swage and they seem OK. Shouldn't be a problem should it?

I've

got good swages, and three of them as well as recommended.

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Posted: **Fri Feb 17, 2012 10:17 pm**

Thanks Wayne.

Mike

-----Original Message-----
From: murphy-rebel@dcsol.com [mailto:murphy-rebel@dcsol.com]On Behalf Of
Wayne G. O'Shea
Sent: Tuesday, July 09, 2002 1:02 PM
To: murphy-rebel@dcsol.com
Subject: Re: Cable bushing or thimble? On Super Rebel

Mike, and All,

Checked my SR kit supplies and yes there are 4 cable bushings in the parts
drawers. Presume 2 for elevator and 2 for rudder, with (I presume) the
reason for usage being that they are easier to center using standard size
washers than if you had thimbles in these locations.

Don't see a problem with drilling them out to 1/4" I.D., as even after you
do so there will be about 47thou of wall thickness left between the bolt and
the cable.

Cheers,
Wayne G. O'Shea
www.irishfield.on.ca

----- Original Message -----
From: "Wayne G. O'Shea" <oifa@irishfield.on.ca>
To: <murphy-rebel@dcsol.com>
Sent: Monday, July 08, 2002 9:14 PM
Subject: Re: Cable bushing or thimble?

As long as your cable end stays straight, the thimbles not being clipped
shouldn't be a problem. When they are not clipped many times the swage
against the thimble causes the end to kink to one side and leaves no

flexing

ability in the assembly and sometimes their so bad they need a vice and
pliers to straighten them out, with the "fear" being that the sharp

thimble

ends might be cutting into the cable strands.

Don't know about the thimble vs bushing as haven't gotten their yet on the
SR. Did/does MAM provide bushings and thimbles with the kit, as I didn't
inventory my 2nd hand kit? I will have a look as to what I have in the kit
as well as the NOS stock I have, as I have a selection of AN111 cable
bushings with 270 of the -4's in stock that are supposed to be for 1/8"
cable ( and like you say are 3/8" diameter by 3/16" bore)

Wayne G. O'Shea
www.irishfield.on.ca

----- Original Message -----
From: "Mike Kimball" <mkimball@gci.net>
To: <murphy-rebel@dcsol.com>
Sent: Friday, July 05, 2002 5:59 PM
Subject: Cable bushing or thimble?

My manual tells me that the elevator cables should use cable bushings on
the
end that attaches to the elevator horns. But the bushings for 1/8 inch
cable have 3/16 holes and the holes in my horns are 1/4. It doesn't

look

like there's enough material in the bushing to drill it out. A: What's
the
deal? B: Can I use thimbles instead of bushings?

Mike Kimball
SR #044

P.S. I recently read about clipping the little ends off of the thimbles
before crimping. I have not done that. The little ends just get

squished

up in the swage and they seem OK. Shouldn't be a problem should it?

I've

got good swages, and three of them as well as recommended.

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To contact the list admin, e-mail mike.davis@dcsol.com

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Archives located at http://rebel:builder@www.dcsol.com:81/default.htm
To contact the list admin, e-mail mike.davis@dcsol.com

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