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Thread: Low RPM's

  1. #1
    RXP-SA Ivaan's Avatar
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    Low RPM's

    I need to up my RPM bit more, I'm at altitude and can't seem to get my RPM over 8100 but at sea level I can get it to 8300. I have a Rotax ECU and ET Charger. Now my question is should I bent the prop on open up my nozzle? If only I can get it to 8400 at altitude I'll be a happy camper...

    Any inputs...


  2. #2
    monaroman76's Avatar
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    Quote Originally Posted by Ivaan View Post
    I need to up my RPM bit more, I'm at altitude and can't seem to get my RPM over 8100 but at sea level I can get it to 8300. I have a Rotax ECU and ET Charger. Now my question is should I bent the prop on open up my nozzle? If only I can get it to 8400 at altitude I'll be a happy camper...

    Any inputs...
    I would recommend changing the nozzle, its a lot easier to change over than to bend the prop everytime you change altitudes.
    What nozzle are you running? Maybe worth considering having 2 props depending on what altitude your riding in..

  3. #3
    RXP-SA Ivaan's Avatar
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    Thanks, yes I have a 81mm nozzle. I'm going to open it up toe OEM and will see what happens. Yes two props will certainly help...

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