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Engine basics => Engine set up tips => Topic started by: Walter Johnson on February 09, 2007, 04:15:45 PM

Title: Plastic Clunk Tank Plumbing
Post by: Walter Johnson on February 09, 2007, 04:15:45 PM

    I will be using a Sullivan 8 oz rectangular plastic tank in my Tempest II. Would like to know the best uniflow plumbing for this. I will be running a PA 51 on pipe.Thanks Walter

Title: Re: Plastic Clunk Tank Plumbing
Post by: Wayne J. Buran on February 10, 2007, 04:17:49 AM

Walter, check in with Allen Brickhouse, he did an excellent article on plumbing plastic tanks. Thats the referance I always use for my plastic tanks.
Wayne Buran

Title: Re: Plastic Clunk Tank Plumbing
Post by: RandySmith on February 10, 2007, 10:08:49 AM

Quote from: Walter Johnson on February 09, 2007, 04:15:45 PM

    I will be using a Sullivan 8 oz rectangular plastic tank in my Tempest II. Would like to know the best uniflow plumbing for this. I will be running a PA 51 on pipe.Thanks Walter

Hi Walter

Most all using the plastic tanks are using 2 differant types of venting
1 being uniflow with the uniflow vent attached to the fuel pick tube with thin flexible tubing or 2 tubes to the back. one uniflow and 1 pickup
The other venting scheme is for the uniflow vent to curve back from the front of the tank to the front inside top position, not really uniflow but it seems to work well for people. It gets the vent uncovered almost instantly and stopped the  mid flight setp up ( in speed)  that occurrs in a lot of plastic tanks.

Regards
Randy