Weed eater engine conversion

Discussion in 'DIY Marinizing' started by Ward, Jun 2, 2003.

  1. scamp8
    Joined: Mar 2014
    Posts: 11
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Kansas

    scamp8 Junior Member

    I have a old silvertrol trolling motor i can't figure out how to remove propeller, i pulled out the hair pin and it will not come off, tried pounding the shaft of the motor while pulling on the prop will not budge, tried prying still won't come off, any advice?
     
  2. hoytedow
    Joined: Sep 2009
    Posts: 5,402
    Likes: 194, Points: 73, Legacy Rep: 2489
    Location: North of Cuba

    hoytedow Wood Butcher

  3. scamp8
    Joined: Mar 2014
    Posts: 11
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Kansas

    scamp8 Junior Member

  4. scamp8
    Joined: Mar 2014
    Posts: 11
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Kansas

    scamp8 Junior Member

    Tried my weedeater outboard Friday ran really well but think prop is to small, motor raps out really fast, think it can handle a bigger prop, it ran 3mph with me and my buddy, together we way almost 500lbs so was pretty impressed with that, I'll be posting some pics of it, went with the t10 prop thinking of using one off a motor guide trolling motor the plastic ones, any opinions on what prop to try, thanks
     
  5. hoytedow
    Joined: Sep 2009
    Posts: 5,402
    Likes: 194, Points: 73, Legacy Rep: 2489
    Location: North of Cuba

    hoytedow Wood Butcher

    So can I assume the wheel puller worked?
     
  6. scamp8
    Joined: Mar 2014
    Posts: 11
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Kansas

    scamp8 Junior Member

    I ended up buying a prop, but did get it off, drilled a small hole in the end of prop then threaded a course thread screw into the prop and popped it off the shaft, worked excellent , thanks for your help though, have any advise on a bigger prop to run to get more speed?
     
  7. hoytedow
    Joined: Sep 2009
    Posts: 5,402
    Likes: 194, Points: 73, Legacy Rep: 2489
    Location: North of Cuba

    hoytedow Wood Butcher

  8. Navygate

    Navygate Previous Member

    Quite Prop-erlly really.
     
  9. Erich_870
    Joined: Feb 2009
    Posts: 86
    Likes: 2, Points: 0, Legacy Rep: 29
    Location: Juneau, Alaska

    Erich_870 Junior Member

    Any active builds these days?

    Erich
     
  10. pistnbroke
    Joined: Jan 2009
    Posts: 1,405
    Likes: 33, Points: 48, Legacy Rep: 404
    Location: Noosa.Australia where god kissed the earth.

    pistnbroke I try

    I think for most people the engineering required to make a success of it is too difficult and even if its made well it does not work too good so the idea has died.
     
  11. JOBBER
    Joined: Sep 2008
    Posts: 8
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: carol stream, il 60188

    JOBBER Junior Member

    Pistnbroke is correct the subjects had a library of ideas; but I think no one came up with a very simple and highly effective design. Prop configuration was a major issue. There are no commercially available props for this application.

    My own version was put on hold due to LIFE. I was going to utilize a Pistnbroke design of 4-cycle (output shaft facing the operator) with chain drive prop shaft below. My plan was to use a belt drive, because a local distributor has a belt driven clutch.

    The power plant would be the link below. They have a 20% off coupon in a number of USA magazines.
    http://www.harborfreight.com/engine...hv-horizontal-shaft-gas-engine-epa-69733.html
    The motor for alternate power uses has extensive investigation here.
    http://motorbicycling.com/showthread.php?t=11757&page=11

    As I am totally lacking of welding and/or machining equipment (incompetent too), I decided on an Erector Set solution.
    http://www.unistrut.us/index.php?WP=cat_detail&S=S05&P=P7001
    http://www.unistrut.us/index.php?WP=show&GRP=13/16 General Fittings
    http://www.unistrut.us/index.php?WP=cat_detail&S=S05&P=P7006

    The prop still remains my biggest hurdle. The Young’s trolling motor replacement is just that. Its physical shape does not match commercial mud motor props.
     
  12. Erich_870
    Joined: Feb 2009
    Posts: 86
    Likes: 2, Points: 0, Legacy Rep: 29
    Location: Juneau, Alaska

    Erich_870 Junior Member

    Possibly, but there is always someone new to the conversation.

    Erich
     
  13. scamp8
    Joined: Mar 2014
    Posts: 11
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: Kansas

    scamp8 Junior Member

    weed eater outboard

    the gear reduction on mine worked really well, took the strain off the motor and made clutch work perfectly, still have yet to mess with a different prop, ill try and get some pics posted
     
  14. Erich_870
    Joined: Feb 2009
    Posts: 86
    Likes: 2, Points: 0, Legacy Rep: 29
    Location: Juneau, Alaska

    Erich_870 Junior Member

    Great to hear. Let's see those pics!

    Erich
     

  15. copterdoc
    Joined: Sep 2014
    Posts: 11
    Likes: 0, Points: 0, Legacy Rep: 10
    Location: NW Illinois

    copterdoc Junior Member

    I'm building one right now out of necessity. If it works, it will solve the clutch issues, reduction drive issues, and prop issues.

    It won't be a race car. It will be a 4x4.
    It's different. Very different.

    I'm fabricating the mount as I type.
     
Loading...
Forum posts represent the experience, opinion, and view of individual users. Boat Design Net does not necessarily endorse nor share the view of each individual post.
When making potentially dangerous or financial decisions, always employ and consult appropriate professionals. Your circumstances or experience may be different.