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Thread: Rotax Soft Start Module

  1. #1
    Senior Member DanB's Avatar
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    Jun 2008
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    Default Rotax Soft Start Module

    Today I was talking with a technician at Lockwood concerning wiring of a 912uls...During the conversation he asked if I was installing a Soft Start Module. I had not heard of this so he explained it. I was wondering if anyone has installed it and if they noticed a difference in the starting?
    Dan B
    Mesa, AZ

  2. #2
    Senior Member
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    Milton,Fl
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    Default Re: Rotax Soft Start Module

    I have flown another LSA on several occasions with the module and it does make for a smoother start. If I had the 100 hp,I would install it.
    Dick

  3. #3
    Super Moderator Av8r3400's Avatar
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    Default Re: Rotax Soft Start Module

    The ULS is an extremely violent motor on start and shut down. These modules definitely help on taming the start.
    Av8r3400
    Kitfox Model IV
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    912UL 105hp Zipper
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  4. #4
    Senior Member DanB's Avatar
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    Default Re: Rotax Soft Start Module

    It sounds like this module is a good investment if you experience the rough start with your 100 HP engine. The reading I have found indicates a couple things that will promote these rough starts and sometimes kick-backs...
    1. Long battery runs 2. An old or weak battery.

    Since I will have a very short battery run and a new battery, I will hold off on this $220 investment and see how it goes.
    Dan B
    Mesa, AZ

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