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02-01-2009, 07:49 PM
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Join Date: Jan 2005
Location: Charlottesville, Virginia
Posts: 1,227
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metal edge protection
What do you call the product that some install on the edge of sheet metal, say in a lightning hole where wires or ducting pass thru to protect the parts from being cut by the metal edge. It looks like a strip of white plastic with lots of notches to allow it to flex and be put on the inside of a circle cut out.
I have some on the RV-6 I bought and would like to buy more but don't know
what it is called or where to buy it at?
can anyone help me?
Thanks
__________________
Bob Martin
RV-6, 0-360 Hartzell C/S, Tip up, 1200+TT
James extended cowl/plenum, induction, -8VS and Rudder. TSFlightline hoses. Oregon Aero leather seats.
D100-KMD150-660-TT ADI2- AS air/oil seperator. Vetterman exhaust with turndown tips.
Louisa, Virginia KLKU N94TB
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02-01-2009, 08:35 PM
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Join Date: Oct 2007
Location: East Texas
Posts: 26
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02-01-2009, 08:35 PM
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Join Date: Jun 2007
Location: Rhode Island
Posts: 937
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Grommet is the general name.
Also, "Edge Grip", "Trim", "Plastic edge trim". Try McMaster.com
__________________
Highest Regards,
Noah F, RV-7A
All men dream, but not equally. Those who dream by night in the dusty recesses of their minds wake in the day to find that it was vanity: but the dreamers of the day are dangerous men? for they may act their dream with open eyes, to make it possible. -T.E. Lawrence
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02-01-2009, 09:15 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,408
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Caterpillar grommet.
These folks carry it http://www.bonaero.com/default.htm
Click "inventory", then "electrical", scroll down to "Gaterpillar Grommet"
I have also fount it at electronic supply stores----real MilSpec stuff even.
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010 
Phase 1 done, 2/4/2011
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
Last edited by Mike S : 02-02-2009 at 05:21 PM.
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02-02-2009, 05:44 AM
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Join Date: Jan 2005
Location: Charlottesville, Virginia
Posts: 1,227
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That's it!
Thanks guys!
I was surprised to see it in ACS catalog.......I've looked at that book for hours
and hours.......I think I didn't know what I was looking at! Amazing!
Thanks again for the quick responses guy!
__________________
Bob Martin
RV-6, 0-360 Hartzell C/S, Tip up, 1200+TT
James extended cowl/plenum, induction, -8VS and Rudder. TSFlightline hoses. Oregon Aero leather seats.
D100-KMD150-660-TT ADI2- AS air/oil seperator. Vetterman exhaust with turndown tips.
Louisa, Virginia KLKU N94TB
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02-02-2009, 04:03 PM
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Join Date: Nov 2005
Location: San Francisco, CA
Posts: 525
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Also, available from van's. I just ordered some the other day.
MS21266-1N 12" long edge grommet
__________________
#40533 RV-10 Builder and CFI
1/2006 Started build
10/19/2011 First flight
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02-02-2009, 05:24 PM
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Senior Curmudgeon
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Join Date: Sep 2005
Location: Dayton Airpark, NV A34
Posts: 15,408
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Just a heads up,
This stuff comes in different sizes to fit different thickness of metal.
The -1 is for the thinnest, higher -# is for thicker, check the chart in the link I provided earlier.
I had to use -2 for some of the wiring in my ten.
__________________
Mike Starkey
VAF 909
Rv-10, N210LM.
Flying as of 12/4/2010
Phase 1 done, 2/4/2011
Sold after 240+ wonderful hours of flight.
"Flying the airplane is more important than radioing your plight to a person on the ground incapable of understanding or doing anything about it."
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02-03-2009, 04:45 AM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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Two different types of edge...
Quote:
Originally Posted by jchang10
Also, available from van's. I just ordered some the other day.
MS21266-1N 12" long edge grommet
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...protection are being discussed here, and not identified well... 
The link above is to the more usual, and cheaper, edge protection that looks like a u channel with slits cut in the side. It is a single plastic (or nylon or polyethelene) extrusion/molding.
http://www.gen-aircraft-hardware.com...df/ms21266.pdf
The Aircraft Spruce link (post #2) above is much more expensive due to a very different construction method. As described at Aircraft Spruce...
The product is a composite of polymer encapsulated spring stainless steel enhanced by a protective cushion.
It will grip the edges of the metal and will flex in a much tighter radius.
This spec. sheet has better visuals than AC Spruce...
http://www.devicetec.com/DTIProducts...92Brochure.pdf
I find the cheaper "catapillar" plastic ones (in nylon) work fine on large lightening holes, etc. - but if you want edge protection on a portion of a straight edge, or are dealing with complex cut out shapes, then nothing can beat the more expensive AC Spruce product.
They are vastly different products that perform similar functions.
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
Last edited by az_gila : 02-03-2009 at 04:50 AM.
Reason: added spec sheet link
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