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Old 01-19-2007, 07:39 AM
cnpeters cnpeters is offline
Join Date: Jun 2006
Location: St. Louis (Eureka), MO
Posts: 283
Default Dispensing fuel tank sealant

As I near the start of sealing a fuel tank, I was interested in using my fuel tank sealant dispenser from Van's. I bought a quart of FTS, but do they make cartridges I can load so I can use the dispenser? If not (and what a waste of a dispenser except for the 3.5 oz FTS cartridge), I will use large syringes as others have mentioned in the archives.
Carl Peters
St. Louis, MO
RV-9A finishing kit
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Old 01-19-2007, 10:18 AM
ninerhawk ninerhawk is offline
Join Date: Aug 2005
Posts: 27
Default Proseal Cartridges

These cartridges and nozzles be reused and reloaded with sealant mixed in bulk in your shop. ProSeal does not stick to polypropylene catridges and nozzles very well. After you are done dispensing, simply let it set up for a few days, and then remove the plunger and nozzle, demold the slug by using a blunt stick to push the slug out of the cartridge. Extra cartridges with plungers and nozzles were available from Aircraft Spruce or other adhesive supply houses.

I did my tanks this way, mixing from a can, loading the cartridges with sealant using a toungue depressor or wooden garden row stick label, dispensing with a pneumatic gun, and reusing the cartridge. Much more control on dispensing, made the whole tank experience kinda fun! No horror stories here... Can't wait to use the same setup for those misc upcoming fuselage Proseal tasks.

Howard Kaney
West Bend, WI
RV-9A fuselage
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Old 01-19-2007, 01:49 PM
smithhb's Avatar
smithhb smithhb is offline
Join Date: Jan 2005
Location: Blue Ridge, Georgia
Posts: 247
Default Cartridges


I don't know what size cartridges the dispenser you have will fit but I ordered disposable cartridges for my Semco gun from SkyGeek. I mixed the proseal from the quart can in the quantity needed for the session and loaded the cartridge and went to work.

Bret Smith
RV-9A Flying (N16BL)
Blue Ridge, GA
EAA Technical Counselor #5429
APRS Tracking
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Old 01-19-2007, 02:36 PM
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BJohnson BJohnson is offline
Join Date: Jun 2005
Location: Federal Way, Wa
Posts: 276

Semco guns are the only way to go. Here is one on E-bay. Then buy the cartiges and nozzles as stated before. Make life easy on the fuel tanks!
RV-9A 90897 FLYING
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