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Thread: Insulate the Fuel tank from the exhaust

  1. #1

    Insulate the Fuel tank from the exhaust


    1-Is there any regulations regarding the insulation of the fuel tank from any heat source!?

    2-If NO, should we apply the firewall insulation regulations in "T4.3.2" or we can estimate the thickness of the insulation!?

  2. #2
    I couldn't find anything in the Fuel and Fuel System section relating to insulation but I would suggest sending a question to the rules committee.
    2014-2015 Iowa State University FSAE Project Director
    2014-2015 Iowa State University SAE Vice President

  3. #3
    Well, I would suggest making sure no part of the fuel tank is able to get warmer than ~250C. Cooler than that is better, but any warmer and you'll have autoignition in your tank. If your tank is plastic or rubber, the ignition point could be lower.
    Jay Swift
    Combustion Powertrain
    Global Formula Racing 2013-2014

  4. #4
    if you have serious problem with the fuel tank temp.
    try to cover the exhaust pipe(s).
    Last edited by Ahmad Rezq; 06-24-2016 at 03:57 PM.

  5. #5
    Generally if there is more than 2" gap from the exhaust and if the fuel tank is made of (or covered with) fire retardant material there should be no issue.
    Sheridan Motorsports troll (2012-2014)
    Cubicle troll (2015 - God knows when)

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