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02-07-2007, 09:40 PM
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Join Date: Jun 2005
Posts: 18
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Oops: Used firewall sealant instead of proseal
Uh oh! (I hate having to start a new post with that) I inadvertantly sealed the fuel float cover on the fuel tanks with firewall sealant and not proseal. I leaked checked it and it doesn't leak. So the question is how does the firewall sealant hold up to av-gas? Is it safe to leave on or should I remove the covers (arrrgghh)?
__________________
Larry Brons
RV 9A
N1695
Flying, tip-up, Aero Sport O-320-D2A
Sensenich FP, Advanced AF-3500, SL30,
KLN94 GPS, 396, Garmin GTX 327, Tru Track II
auto-pilot.
Did I mention FUN?
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02-07-2007, 10:21 PM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,668
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What is the part number
of the sealant you used?
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Walt Aronow, DFW, TX (52F)
EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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02-07-2007, 10:38 PM
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Join Date: Jun 2005
Posts: 18
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MC CS 1900 firewall sealant
That's in Van's catalog.
__________________
Larry Brons
RV 9A
N1695
Flying, tip-up, Aero Sport O-320-D2A
Sensenich FP, Advanced AF-3500, SL30,
KLN94 GPS, 396, Garmin GTX 327, Tru Track II
auto-pilot.
Did I mention FUN?
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02-08-2007, 06:15 AM
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Join Date: Feb 2005
Location: Huskerland, USA
Posts: 5,862
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I'd call Vans right away.
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RV-7 : In the hangar
RV-10 : In the hangar
RV-12 : Built and sold
RV-44 : 4 place helicopter on order. 
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02-08-2007, 06:32 AM
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Join Date: Jan 2005
Location: Warner Robins, GA
Posts: 1,187
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I would remove the covers, clean off the old sealant, and re-do with the proper stuff. Do it now while everything is accessible and you won't be worrying about it later. Rework sucks but saves time and aggravation in the long run.
__________________
Bruce Sacks
RV-9 N659DB - Flying since 7/1/06
Hatz CB-1 - Fabric covering with Polyfiber.
Warner Robins, GA
A&P
APRS KJ4EFS
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02-08-2007, 09:58 AM
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Join Date: Jun 2005
Posts: 18
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Good advice, got the same from Van's. Oh well, it pays to pay attention. I keep telling myself this falls under the "learn from your mistakes category".
__________________
Larry Brons
RV 9A
N1695
Flying, tip-up, Aero Sport O-320-D2A
Sensenich FP, Advanced AF-3500, SL30,
KLN94 GPS, 396, Garmin GTX 327, Tru Track II
auto-pilot.
Did I mention FUN?
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02-09-2007, 03:14 PM
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Join Date: Mar 2006
Location: Grand Rapids MI
Posts: 742
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Can you use fuel tank sealant to seal the firewall? I have half a qt left and I planned on using it for my FW.
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02-09-2007, 04:16 PM
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Join Date: Oct 2005
Location: Melbourne, Australia
Posts: 1,867
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Smoke or roast
Quote:
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Originally Posted by briand
Can you use fuel tank sealant to seal the firewall? I have half a qt left and I planned on using it for my FW.
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Sure you can...lots of builders do...and for the same reason....but if you have a FWF fire it will be a toss up between you choking to death from the proseal smoke or roasting as the flames burn straight through the stuff.
The correct sealant is CS1900 sold by Vans (can handle flash temps to 2000 degrees F). Go to
http://www.vansaircraft.com/cgi-bin/...product=cs1900 |
02-09-2007, 06:44 PM
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Join Date: Jun 2005
Posts: 18
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Well, the official answer to the original question is... "the CS 1900 is not approved for that application". Simply put, re-do time. So, if you decide to seal your fuel tank covers with firewall sealant, don't.
Thanks for all of the replies.
__________________
Larry Brons
RV 9A
N1695
Flying, tip-up, Aero Sport O-320-D2A
Sensenich FP, Advanced AF-3500, SL30,
KLN94 GPS, 396, Garmin GTX 327, Tru Track II
auto-pilot.
Did I mention FUN?
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