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Thread: Newcomer questions

  1. #9
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    Default Re: Newcomer questions

    by 440 do you mean 447 (or possibly 443). I have 447, it's about 39hp on single carb. It's a lower cc than the 503.

    I am also using an EC25PS as the lift engine in my craft.

  2. #10
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    Default Re: Newcomer questions

    Toby,

    The plate on the engine says 440. The other one says 503.Both are ex skidoo. One was resuced from Glencoe ski centre in the mid 90's the other came from a farm in the borders. My mate had them for a project which he abandoned and they were left as scrap. Will need to strip them down and check them over before firing them up.

  3. #11
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    Default Re: Newcomer questions

    oh yeah; i had no idea they existed



    It looks to be a powerful engine - first one here seems to say 60mph with one of those.



    It could be an experimental excercise i guess.

  4. #12
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    Default Re: Newcomer questions

    That reference is to a Rotax "type 453" liquid cooled, RAVE valved (commonly known as the MXZX 440 race sled engine - dual 34mm carbs, about 92HP). He most likely has one of the fan cooled 440's that Rotax made in the 70's.

  5. #13
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    Default Re: Newcomer questions

    Dave, thanks for the reply. Yes, you correct in saying that its a fan cooled engine. However its a single carb but in size its bigger than the 503. So maybe its got more power than the 503?

  6. #14
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    Default Re: Newcomer questions

    the rotax 440 is a 436.6cc twin, fan cooled engine it puts out 42hp, so is similar to a 447!



    just because its bigger dont mean its better, its a 30-40 year old engine!

  7. #15
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    Default Re: Newcomer questions

    aaahhhhh



    how come it's the same cc, more powerful, and older?? That just doesn't follow the trend

  8. #16
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    Default Re: Newcomer questions

    Thanks for that. I figured that it was old. But its in better condition than the 503. I will need to rebuild the 503 motor, bearings rings, etc. I recon the 440 would fire up easier. Can I ask where you get all this info?

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