BBY Scat Cat 21???

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  • RPC1
    Senior Member
    • Apr 2008
    • 112
    #1

    BBY Scat Cat 21???

    I plan on building one of these with a 4400Kv out runner. Is 500 watts enough power to go lets say 40mph. I plan on 3s A123 to hopefully spin a X632 or 1732 prop 25-30k rpm. Is this a reasonable expectation? Lastly, does anyone have a measurement from the bottom of the tunnel to the bottom of the sponson?
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    • phase
      Senior Member
      • May 2008
      • 218
      #2
      wow that prop might be a little to big.. good luck

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        • eclipse
          Senior Member
          • Oct 2007
          • 365
          #3
          im running an x640 on my 42 inch boat and u want to run x632 in a boat half its size.you might overheat the motor and kill it
          just a kid with a super hawaii project

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            • Avanti
              Fast Electric Addict!
              • Nov 2007
              • 1280
              #4
              Originally posted by RPC1 View Post
              does anyone have a measurement from the bottom of the tunnel to the bottom of the sponson?
              approximately 1 inch I just measured mine
              The Manx has been sitting dormant, but I think I finally have my motivation back. I hope to see it float soon.

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