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  1. #1

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    weed eater rc boat

    how do i connect a weed eater motor to the flex shaft?, i have a 36 inch boat and a flex shaft from an sv27, i want to put a very small weed eater motor in it

  2. #2
    Ron Olson's Avatar
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    RE: weed eater rc boat

    You're going to do it with a tiny cable from an SV-27! That's only .150", you need a 1/4" cable.
    I have to ask this, what hull are you planning on putting the weedie into? It might be too heavy for it.
    IMPBA 17238 S
    269 Racing Team

  3. #3

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    RE: weed eater rc boat

    its a vwry light abs hull, i just want a little fun project. im not looking to go anywhere near as fast as my sv27 and thats why i thought i could youse that cable because i had a spare lying around, will it not work?

  4. #4
    Moderator Justaddwata's Avatar
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    RE: weed eater rc boat

    No - even a 3/16" cable is likely to fail with the torque of the motor. 1/4" cables work perfect.
    One of the better gas boat picture sites - http://imageevent.com/justaddwata

  5. #5

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    RE: weed eater rc boat

    so a weed wacker motor has more torque but less rpm right? and if i go 1/4 i can just cut the flex shaft thats already in the weed waker? then how would i put the prop on? and what prop? i want to use like a 15cc motor or lower

  6. #6
    martno1fan's Avatar
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    RE: weed eater rc boat

    You would need a ferrule to join the flex cable to a stainless steel shaft.But ABS and gas dont mix very well [X(].
    Mart
    Waveridermouldings,Manufacturer of quality race proven Hulls.

  7. #7

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    RE: weed eater rc boat

    Oh yeah... Forgot abot that, oh well lol its a junk hull so if it runs cool, its not going to be a performer, maybe ill coat the i side but i dont want it to get to heavy,

  8. #8
    Ron Olson's Avatar
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    RE: weed eater rc boat

    There was one manufacturer who made thick ABS hulls but they flex too much.
    Lots of luck on finding a 15cc or smaller gas engine as even the weedies really don't go less than 17cc and they're really weak performance-wise. MECOA/K&B had one but it's not cheap.
    IMPBA 17238 S
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  9. #9

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    RE: weed eater rc boat

    Ok ill look at the 17cc


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