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Fuel cap water protection? (and cold temp ops)

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Dale Ensing

Joined: 11 Jan 2006
Posts: 571
Location: Aero Plantation Weddington NC

Posted: Tue Feb 28, 2006 5:57 am Post subject: Fuel cap water protection? (and cold temp ops)

Alex,

Have you tried a fluorosilicone lube on your fuel caps? It is not washed out by the solvent action of the avgas and the fluid in the grease has a very flat temperature viscosity curve -service temp is minus 20F to +450F. I am using Dow Corning 3452 valve lubricant. Aircraft Spruce pg. 164 in my cat. Not inexpensive but lubricates the o-ring and the mechanical mechanism and repels the water very well.

http://www.aircraftspruce.com/menus/ap/lubricant.html



This product is also sold thru bearing and transmission supply stores so you may be able to buy it locally.

Dale Ensing

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_________________
Dale Ensing
RV-6A
Aero Plantation
Weddington NC

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