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teamgrumman(at)yahoo.com
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 Posted: Sun Oct 30, 2011 10:24 am Post subject: Is this the right stuff ?? colwing cushion seal |
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It's called chafe tape. I doubt the plane came with any. I don't use any on my fiberglass cowling. On the new cowlings, ones being sold now, the joggle in the front is low enough to add the tape.
You can get some from Aircraft Spruce and install it. It will only look good immediately after you install it.
From: Doug Doty <39marinette(at)gmail.com>
To: teamgrumman-list(at)matronics.com
Sent: Sunday, October 30, 2011 5:37 AM
Subject: Is this the right stuff ?? colwing cushion seal
--> TeamGrumman-List message posted by: "Doug Doty" <39marinette(at)gmail.com (39marinette(at)gmail.com)>
http://www.aircraftspruce.com/catalog/cspages/cowlingchafeseal.php
The welting as I have always called it does not appear to have ever been installed on my plane, it surely was in the begining. I am talking about where the engine cowls folds down and lay against the aluminum tabs projecting forward from the firewall. I can see they have started to wear into the underside of the doubler on the cowl doors from chaffing together. I guess I am actually going from memory but was thinking there should be seal/cushion material on the under side of the cowl doors on the rear, help, what is correct.
1977 AA5B..........
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Boats and Planes
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Doug Doty
Joined: 28 Oct 2011
Posts: 33
Location: Madison In
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| Posted: Sun Oct 30, 2011 5:37 pm Post subject: Re: Is this the right stuff ?? colwing cushion seal |
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I was surprised by your answer, do you typically see the tabs wearing thru the underside of the engine cowls, there is chaf guard on the new lopresti nose and it caught my attention and made me feel like I remembered seeing it in both locations on my 79 cheetah years ago and so i made the assumption and am still curious as to what you recomend to slow the wear into the hood.
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_________________
1977 AA5B N28454, Fuel Totalizer, Lopresti Nose, Red Rudder Cap, 4 cyl. egt, stock otherwise. |
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teamgrumman(at)yahoo.com
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| Posted: Sun Oct 30, 2011 6:07 pm Post subject: Is this the right stuff ?? colwing cushion seal |
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If it hits hard enough to cut the cowling, bend it slightly until it doesn't.
IMHO, if the cowling can't move a little, any bending motions translates into cracks. I like the cloth tapes. Just enough drag and it lets the cowling move.
From: Doug Doty <39marinette(at)gmail.com>
To: teamgrumman-list(at)matronics.com
Sent: Sunday, October 30, 2011 6:37 PM
Subject: Re: Is this the right stuff ?? colwing cushion seal
--> TeamGrumman-List message posted by: "Doug Doty" <39marinette(at)gmail.com (39marinette(at)gmail.com)>
I was surprised by your answer, do you typically see the tabs wearing thru the underside of the engine cowls, there is chaf guard on the new lopresti nose and it caught my attention and made me feel like I remembered seeing it in both locations on my 79 cheetah years ago and so i made the assumption and am still curious as to what you recomend to slow the wear into the hood.
--------
Boats and Planes
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=356370#356370
utilities such sp; - List Contribution Web Site -
_; &nb
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BARRY CHECK 6
Joined: 15 Mar 2011
Posts: 738
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| Posted: Mon Oct 31, 2011 9:36 am Post subject: Is this the right stuff ?? colwing cushion seal |
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Cliff & Team:
A while back this was discussed and the feeling as well as mine was: Do not use Teflon tape. It has low friction and will allow the parts to slide. This sliding will just move the ware point to more difficult areas to maintain such as hinge lines and latches. The preferred method would be to use something like Weather Stripping where it would eliminate vibration, sliding and even improve the air tight seal of the cowl. I have done this years ago and have no issues with either the install (Peel & Stick) or vibration.
It works, it's cheap and is available at your LOWE'S Aircraft Supply.
Barry
On Sun, Oct 30, 2011 at 3:56 PM, flyv35b <flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)> wrote:
[quote]--> TeamGrumman-List message posted by: flyv35b <flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)>
On 10/30/2011 11:20 AM, Gary Vogt wrote:
| Quote: | It's called chafe tape. I doubt the plane came with any. I don't use any
on my fiberglass cowling. On the new cowlings, ones being sold now, the
joggle in the front is low enough to add the tape.
You can get some from Aircraft Spruce and install it. It will only look
good immediately after you install it.
|
A far better product that is sold by Spruce is Teflon coated fiberglass anti-chafe tape. Comes in 5 and 10 mil thickness. I have used to on my Bonanza cowl doors and on Grumman cowlings. It is very slick, thin and wears very well, but much more expensive than the chafe seal you mentioned.
Cliff
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Discover
Joined: 26 Feb 2007
Posts: 429
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| Posted: Mon Oct 31, 2011 9:59 am Post subject: Is this the right stuff ?? colwing cushion seal |
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Hi Barry
I am getting ready to do this right now on my new cowl. Is the
Weather strip you are talking about made of felt, rubber, or? Is it flat, P-Seal or? How thick?
Thanks
Ned
On Oct 31, 2011, at 12:31 PM, FLYaDIVE <flyadive(at)gmail.com (flyadive(at)gmail.com)> wrote:
[quote]Cliff & Team:
A while back this was discussed and the feeling as well as mine was: Do not use Teflon tape. It has low friction and will allow the parts to slide. This sliding will just move the ware point to more difficult areas to maintain such as hinge lines and latches. The preferred method would be to use something like Weather Stripping where it would eliminate vibration, sliding and even improve the air tight seal of the cowl. I have done this years ago and have no issues with either the install (Peel & Stick) or vibration.
It works, it's cheap and is available at your LOWE'S Aircraft Supply.
Barry
On Sun, Oct 30, 2011 at 3:56 PM, flyv35b <[url=mailto:flyv35b(at)minetfiber.com]flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)[/url]> wrote:
| Quote: | --> TeamGrumman-List message posted by: flyv35b <[url=mailto:flyv35b(at)minetfiber.com]flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)[/url]>
On 10/30/2011 11:20 AM, Gary Vogt wrote:
| Quote: | It's called chafe tape. I doubt the plane came with any. I don't use any
on my fiberglass cowling. On the new cowlings, ones being sold now, the
joggle in the front is low enough to add the tape.
You can get some from Aircraft Spruce and install it. It will only look
good immediately after you install it.
|
A far better product that is sold by Spruce is Teflon coated fiberglass anti-chafe tape. Comes in 5 and 10 mil thickness. I have used to on my Bonanza cowl doors and on Grumman cowlings. It is very slick, thin and wears very well, but much more expensive than the chafe seal you mentioned.
Cliff
====================================
List" target="_blank">http://www.matronics.com/Navigator?TeamGrumman-List
====================================
http://forums.matronics.com
====================================
le, List Admin.
="_blank">http://www.matronics.com/contribution
====================================
===================================
t">http://www.matronics.com/Navigator?TeamGrumman-List
===================================
ums.matronics.com">http://forums.matronics.com
===================================
http://www.matronics.com/contribution">http://www.matronics.com/contribution
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[b]
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BARRY CHECK 6
Joined: 15 Mar 2011
Posts: 738
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| Posted: Mon Oct 31, 2011 11:52 am Post subject: Is this the right stuff ?? colwing cushion seal |
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Ned:
The seal I used was the thinnest I could find.
It was about 1/16 or 3/32" thick.
You could easily go to 1/8" thick.
Width about 1/2".
Wider would also work - Just cut the over hanging material off.
Came in a 10 foot roll.
The color is Gray.
It compresses very well so there is NO distortion to the cowl. Material is some form of Rubber.
Barry
On Mon, Oct 31, 2011 at 1:55 PM, 923te <923te(at)att.net (923te(at)att.net)> wrote:
[quote] Hi Barry
I am getting ready to do this right now on my new cowl. Is the
Weather strip you are talking about made of felt, rubber, or? Is it flat, P-Seal or? How thick?
Thanks
Ned
On Oct 31, 2011, at 12:31 PM, FLYaDIVE <flyadive(at)gmail.com (flyadive(at)gmail.com)> wrote:
| Quote: | Cliff & Team:
A while back this was discussed and the feeling as well as mine was: Do not use Teflon tape. It has low friction and will allow the parts to slide. This sliding will just move the ware point to more difficult areas to maintain such as hinge lines and latches. The preferred method would be to use something like Weather Stripping where it would eliminate vibration, sliding and even improve the air tight seal of the cowl. I have done this years ago and have no issues with either the install (Peel & Stick) or vibration.
It works, it's cheap and is available at your LOWE'S Aircraft Supply.
Barry
On Sun, Oct 30, 2011 at 3:56 PM, flyv35b < (flyv35b(at)minetfiber.com)flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)> wrote:
|
| Quote: |
st" target="_blank">http://www.matronics.com/Navigator?TeamGrumman-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
|
[b]
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Discover
Joined: 26 Feb 2007
Posts: 429
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| Posted: Mon Oct 31, 2011 3:05 pm Post subject: Is this the right stuff ?? colwing cushion seal |
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Thanks Barry
Sent from my iPhone
On Oct 31, 2011, at 2:49 PM, FLYaDIVE <flyadive(at)gmail.com (flyadive(at)gmail.com)> wrote:
[quote]Ned:
The seal I used was the thinnest I could find.
It was about 1/16 or 3/32" thick.
You could easily go to 1/8" thick.
Width about 1/2".
Wider would also work - Just cut the over hanging material off.
Came in a 10 foot roll.
The color is Gray.
It compresses very well so there is NO distortion to the cowl. Material is some form of Rubber.
Barry
On Mon, Oct 31, 2011 at 1:55 PM, 923te <[url=mailto:923te(at)att.net]923te(at)att.net (923te(at)att.net)[/url]> wrote:
| Quote: | Hi Barry
I am getting ready to do this right now on my new cowl. Is the
Weather strip you are talking about made of felt, rubber, or? Is it flat, P-Seal or? How thick?
Thanks
Ned
On Oct 31, 2011, at 12:31 PM, FLYaDIVE <[url=mailto:flyadive(at)gmail.com]flyadive(at)gmail.com (flyadive(at)gmail.com)[/url]> wrote:
| Quote: | Cliff & Team:
A while back this was discussed and the feeling as well as mine was: Do not use Teflon tape. It has low friction and will allow the parts to slide. This sliding will just move the ware point to more difficult areas to maintain such as hinge lines and latches. The preferred method would be to use something like Weather Stripping where it would eliminate vibration, sliding and even improve the air tight seal of the cowl. I have done this years ago and have no issues with either the install (Peel & Stick) or vibration.
It works, it's cheap and is available at your LOWE'S Aircraft Supply.
Barry
On Sun, Oct 30, 2011 at 3:56 PM, flyv35b < (flyv35b(at)minetfiber.com)[url=mailto:flyv35b(at)minetfiber.com]flyv35b(at)minetfiber.com (flyv35b(at)minetfiber.com)[/url]> wrote:
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