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09-06-2016, 04:04 PM
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Join Date: Dec 2015
Location: Auburn, AL
Posts: 200
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Proseal prices
Getting close on the fuel tanks and was looking to buy pro-seal...
Van's price is $41/quart, compared to Spruce at $161/quart.
Are these the same? Is there an advantage to one over the other?
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Steve T.
CFII/MEI/ATP 737,DC-10
RV-7 slow build
AUO
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09-06-2016, 04:44 PM
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Join Date: Nov 2007
Location: Cary, N.C.
Posts: 1,216
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For my fuel tanks, I used less than 1 pint per tank. I would think 1 quart is way to much. It also has a shelf life so unless you have a need for the quart size, Don't do it.
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Noel
RV-6A N6NF
tip-up
flying
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09-06-2016, 04:49 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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I would suggest you do get the qt., even if it is more than is needed for the fuel tank job.
Put the excess in the freezer, and it will keep for a long time.
You will find other places it is useful such as bonding on the NACA vents, bonding on rudder cable fairings, making paintable fillets at various locations on the airframe, etc.
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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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09-06-2016, 05:01 PM
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Join Date: Nov 2006
Location: Savannah, GA
Posts: 1,029
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Buying the "generic" from Spruce cuts the price to about $50 ish per pint, last I checked. But Van's has the best deal running, which I wish I'd known before building 4 tanks..
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RV-7ER - finishing kit and systems installation
There are two kinds of fool in the world. The first says "this is old, and therefore good"; the second says "this is new, and therefore better".
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09-06-2016, 06:49 PM
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Join Date: Dec 2015
Location: Auburn, AL
Posts: 200
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Ok, thanks but are they essentially the same thing?
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Steve T.
CFII/MEI/ATP 737,DC-10
RV-7 slow build
AUO
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09-06-2016, 07:14 PM
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Join Date: Aug 2005
Location: Atlanta, GA
Posts: 4,208
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Quote:
Originally Posted by RV74ME
Ok, thanks but are they essentially the same thing?
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Yes. Any of the fuel tank sealants which meet the same mil spec as the B-2 sealant from Van's will do the job, including the generic stuff from Aircraft Spruce.
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Kyle Boatright
Marietta, GA
2001 RV-6 N46KB
2019(?) RV-10
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09-06-2016, 07:15 PM
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Join Date: Jan 2014
Location: Cedar Hill, TX
Posts: 329
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I found Van's was cheaper than anyone and it is the same stuff.
Lynn
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RV-10 in Process
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09-06-2016, 07:23 PM
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Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
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Quote:
Originally Posted by RV74ME
Ok, thanks but are they essentially the same thing?
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If they meet this spec. they are all good - the Spruce ones do
AMS-S-8802
"dash" numbers after he spec give differing viscosities and working times.
Vans stuff meets the same spec in the usual "-B2" version, the version usually used for fuel tanks.
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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
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09-06-2016, 07:40 PM
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Join Date: Dec 2009
Location: Boulder, CO
Posts: 4,428
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I have found it useful to also buy some type A sealant, which is thinner, for dotting rivets and edges via a syringe. Also some "access hatch" sealant for removable hatches.
I think I probably got them from Skygeek.com.
Dave
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09-06-2016, 07:42 PM
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Join Date: Dec 2015
Location: Auburn, AL
Posts: 200
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perfect! Thank you guys. Can't wait to get dirty. Need new clothes anyway
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Steve T.
CFII/MEI/ATP 737,DC-10
RV-7 slow build
AUO
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