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Thread: cabin heat

  1. #11
    Senior Member Eric Page's Avatar
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    Default Re: cabin heat

    Thanks, Jim. I see what you're saying, but there's one thing I don't understand. With that setup, once the thermostat opens, directing coolant to the engine's radiator, wouldn't there be zero flow in the bypass loop, so your heater would stop working? Or, does the thermostat never fully close the bypass?
    Eric Page
    Building: Kitfox 5 Safari | Rotax 912iS | Dynon HDX
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  2. #12
    Senior Member
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    Default Re: cabin heat

    I think the coolant would continue to flow through the heater core. Probably the radiator gives more resistence. JImChuk

  3. #13
    Super Moderator Av8r3400's Avatar
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    Default Re: cabin heat

    Quote Originally Posted by Eric Page View Post
    Thanks, Jim. I see what you're saying, but there's one thing I don't understand. With that setup, once the thermostat opens, directing coolant to the engine's radiator, wouldn't there be zero flow in the bypass loop, so your heater would stop working? Or, does the thermostat never fully close the bypass?
    There is alway a slight amount of restriction through the thermostat. This will encourage flow through the heater core. I've never had an issue.

    Honestly, if you're running the heat the thermostat usually doesn't open.
    Av8r3400
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