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Thread: 912 Coolant Recovery Bottle

  1. #1

    Join Date
    Mar 2010
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    TX
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    112

    Default 912 Coolant Recovery Bottle

    Hi,

    My model IV has the round coolant recovery bottle that was supplied by Skystar as part of the FWF package. The bottle has a tube coming out of the top that connects to the spider tank. But, there is no tube inside the bottle. Seems to me there should be a tube leading to the bottom of the bottle and perhaps a small vent hole on the top. Am I missing something. Either with respect to my bottle or my logic?

    One week to DAR.

    Thanks!

  2. #2
    Senior Member HighWing's Avatar
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    May 2009
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    Goodyear, AZ
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    Default Re: 912 Coolant Recovery Bottle

    Hank,
    You have the idea down pat. There should be a tube that reaches the bottom of the bottle and a hole in the cap. I just checked mine and the tubing is quarter inch and looks to be polyethylene. There is a collar that the tubing is pressed into. I checked with a bit of left over pitot/static tubing and the fit is perfect. Of course the cut on the bottom end of the down tube is angled to prevent a suction seal if a bit long.
    Lowell Fitt
    Goodyear, AZ


    My You Tube Channel

  3. #3
    Senior Member Av8r_Sed's Avatar
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    Feb 2010
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    10C Greenwood, IL
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    671

    Default Re: 912 Coolant Recovery Bottle

    You need the tube because as your cooling system cools down after a flight it will pull vacuum and hopefully suck up coolant. Without the tube it will create a vapor pocket in your system which you don't want.
    -- Paul S
    Model III SN910
    582 IVO Med

  4. #4
    Super Moderator Av8r3400's Avatar
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    Default Re: 912 Coolant Recovery Bottle

    I have one of these (.5 quart) in my flying plane. I really didn't like the "squirt" bottle idea. It kept falling apart, too...
    Av8r3400
    Kitfox Model IV
    The Mangy Fox
    912UL 105hp Zipper
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