Ideas for Home Made Mud Motor

Discussion in 'Mud Motors' started by Flutterin'_Wings, Oct 8, 2008.

  1. Keith H

    Keith H Elite Refuge Member

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    If anybody is interested, I have a tall transom outdrive from a hyperdrive I'd sell or trade.
     
  2. extra mud

    extra mud Elite Refuge Member

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    Define, shallow?

    Which horsepower mini motors?
     
  3. Erich_870

    Erich_870 Senior Refuge Member

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    Aka quackshot,

    Can you speak to the bearing set up at the top pulley (red box) and the bottom pulley(red arrow) where the shaft leaves the belt housing?

    Also, how did you set the tension on your belt?

    Thanks!

    Erich
     

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  4. ibfishin1

    ibfishin1 Refuge Member

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    How many CC's is the VW engine? I have often thought about building a VW powered mud motor. If I could get a longtail to run 27mph loaded without tearing a rotator cuff in the process I'd be in heaven. Once you stop in shallow water over hard sand bottom with a short tail, you'll wish you could hit a button to automatically extend the shaft to the length of the long tail. Been there and watched the long tail power over to us so we could offload the passengers to his boat. We powered away while my buddy spent the next 30 minutes wearing his prop down trying to cut a trench long enough for him to get a good running start to get on plane.
     
  5. aka quackshot

    aka quackshot Senior Refuge Member

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    The part on the upper pulley is the tapered pulley hub not a bearing.

    To tighten the belt the housing is slotted and there is a bolt at the bottom of the housing to adjust the belt tension.

    This is a sketch of the lower bearing housing.

    Bearing housing.jpg
     
  6. aka quackshot

    aka quackshot Senior Refuge Member

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    I think it is a 1600 cc pushing about 75 hp
     
  7. Erich_870

    Erich_870 Senior Refuge Member

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    Thanks Aka! :tu

    Erich
     
  8. Flutterin'_Wings

    Flutterin'_Wings Elite Refuge Member

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    Looking at some of the motors built, what other alternatives have you all been using for bearings opposed to beavertails external housing?
     
  9. baileydog

    baileydog Elite Refuge Member

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    You are going to need a bunch more HP.

    A 36HP on any frame will not get you faster than 25+/-. Unless you change the carb/muffler ETC.

    You need about a 50HP to push a heavy boat that fast.
     
  10. DuCrazy

    DuCrazy Elite Refuge Member

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    Shallow = when the skeg/prop on yer rig starts hittin bottom.

    6HP

    In less than 6" of water my longtail mini will stomp a mud hole in a short tail mini and walk it dry!:dv
     

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