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japhillipsga(at)aol.com
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 Posted: Wed Jun 23, 2010 6:41 am Post subject: Fuel Tanks Testing |
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We are planning on a full up test of the RV-8 tanks before final mounting. Instead of 21 gallons of 100 LL we were thinking maybe just premium mogas. Will mogas be a suitable substitute for AV gas? Will it show a leak as well as 100 LL ? We know water viscosity is too great, but mogas it available, easier. What does the smart folks think?, Best regards, Bill
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vshimsl(at)live.com
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| Posted: Wed Jun 23, 2010 11:02 am Post subject: Fuel Tanks Testing |
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100LL has a blue dye that really helps in isolating the tiny pin hole leaks.
Vince H.
RV-8 N8432 - Flying
From: owner-rv8-list-server(at)matronics.com [mailto:owner-rv8-list-server(at)matronics.com] On Behalf Of japhillipsga(at)aol.com
Sent: June 23, 2010 7:40 AM
To: rv8-list(at)matronics.com
Subject: Fuel Tanks Testing
We are planning on a full up test of the RV-8 tanks before final mounting. Instead of 21 gallons of 100 LL we were thinking maybe just premium mogas. Will mogas be a suitable substitute for AV gas? Will it show a leak as well as 100 LL ? We know water viscosity is too great, but mogas it available, easier. What does the smart folks think?, Best regards, Bill
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rikvincent(at)aol.com
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| Posted: Wed Jun 23, 2010 11:10 am Post subject: Fuel Tanks Testing |
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Why not pressure test with air?
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Larry Bowen
Joined: 09 Jan 2006
Posts: 802
Location: NC, USA
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| Posted: Wed Jun 23, 2010 5:10 pm Post subject: Fuel Tanks Testing |
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I used a modified blood pressure cuff from the drug store to put slight pressure on the tank and monitor with the gauge. If it leaks down use water and a couple drops of soap in a spray bottle to find the leak -- watch for bubbles. You can use the same technique to test the pitot static system.
http://blog.bowenaero.com/?s=blood+pressure
[/url]
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Larry Bowen
Larry(at)BowenAero.com
[url=http://BowenAero.com]http://BowenAero.com
On Wed, Jun 23, 2010 at 3:09 PM, <rikvincent(at)aol.com (rikvincent(at)aol.com)> wrote:
[quote] Why not pressure test with air?
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_________________
Larry Bowen
RV-8 SOLD,
RV-7QB in progress... |
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