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Old 08-12-2017, 10:44 AM
JackinMichigan's Avatar
JackinMichigan JackinMichigan is offline
Join Date: Nov 2012
Location: Canton, MI
Posts: 201
Default Repairing SCAT hose in the tunnel

Last week we had to take the tunnel cover off and found out that the screw attaching the fuel selector post had gouged a big hole in the cabin heat SCAT tube. This particular hose is nearly impossible to replace, so we will have to repair it in place. Any ideas how to do that?
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Old 08-12-2017, 11:26 AM
erich weaver's Avatar
erich weaver erich weaver is offline
Join Date: Aug 2006
Location: santa barbara, CA
Posts: 1,508

Maybe some RTV impregnated fiberglass?

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Old 08-12-2017, 12:17 PM
9GT's Avatar
9GT 9GT is offline
Join Date: Jan 2010
Location: Southern Michigan
Posts: 1,422

I figured that particular area was going to create problems like you discovered after I had a few hours on it, so this is what I did to get around the selector stem with the scat. I used a 6" long piece of thin-wall 2" diameter aluminum tubing and squeezed it to an oval shape with enough clearance around the stem to prevent rubbing and enough room for the scat and worm clamps. The scat attached at both ends. I fabricated a mount out of aluminum that attached to the tunnel side cover, dimpled for flush screws. A little added weight but I never had to worry about rubbing through the scat and creating a hole in it.
David C.
Howell, MI

RV-9A: Under Construction. N161RV (Reserved)
RV-10: N959RV Completed 12/29/2013 SOLD 08/23/2016

"Donor Exempt" but donated through Dec. 2018
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Old 08-12-2017, 01:52 PM
Carl Froehlich's Avatar
Carl Froehlich Carl Froehlich is offline
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 1,483

Building I transition from 2" to 1.5" hose at the firewall and the back to 2" at the rear heat Y. This is still more heat then I will ever use and the smaller hose fits much better in the tunnel.

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