Anyone tried WOOD ?!

Discussion in 'Friction Drive' started by gxzghost, Apr 24, 2011.

  1. gxzghost

    gxzghost New Member

    I want to know if wood can be used as a spindle material?

  2. ibdennyak

    ibdennyak Guest

    Yes. I believe Dimension Edge sells a wood roller. I also read a thread where some one used a hole saw to cut blanks.
  3. ratdoggg

    ratdoggg Member

    question is do wood spindles work?
  4. Happy Valley

    Happy Valley Active Member

    As denny mentioned, DE has long been using wood for rollers on their drive shaft. They use Aspen but almost any wood will work, Rob sends six sizes with his kits from 7/8" to 1 1/2' and it takes about a minute to change them with one nut on the end of the drive shaft. I've had several of their kits and wood works very well for roller material, doesn't get hot like steel and is inexpensive to replace if needed.
  5. powdersummit

    powdersummit New Member

    What kind of wear characteristics does wood have on a tire? I'm wondering how many miles you could get on a roller before it would have to be replaced.

    I would imagine the wood would wear a lot quicker than other drive spindle materials. But with the cost a person with a drill press and a wood lathe could crank out a bunch for very little money. You could also get creative and put some traction grooves on the roller fairly easily with the right tools. The amount of wear on the tire should be less than a steel roller too.

  6. ratdoggg

    ratdoggg Member

    de wood

    does any one know how the dimension edge makes the honda into a
    direct drive spindle..
    I like to be able too bump start when needed..
  7. Happy Valley

    Happy Valley Active Member

    Pluses and minuses, wood wears faster than steel but holds less heat on the tire especially on a hot summer road surface. Wood also conducts far less heat to support bearings, crankshaft and the engine itself. Different wood types and hardness might be considered and tried but I keep it simple and cost effective. A set of hole saws in sizes and a stick of 5/4 dimension lumber makes rollers dispensable and takes a minute to change, on the DE system anyway, with one nut at the shaft end. I have not found further machining of the rollers makes much appreciative difference.

    For a Honda or any of the utility engines with the 76mm centrifugal clutch for that matter, they employ a steel pto shaft threaded into a round metal plate that bolts in place of the clutch shoes and that shaft is supported by two bearings where it bolts onto and enters the engine support channel. The drive rollers fit onto and then are locked into place on the shaft with a nut on the end.
    Last edited: Apr 29, 2011
  8. SimpleSimon

    SimpleSimon Active Member

    You don't need a drill press or a lathe, or even a hole saw to get excellent wood rollers for friction drive spindles.

    All you need is a GoodWill store and a handsaw. Go to GoodWill, buy used rolling pins. They almost always have several, and they come in various diameters. Most of the time they are made from good quality hardwood, and usually long enough to get two rollers from each rolling pin.
  9. loquin

    loquin Active Member

    Wood also expands and contracts with moisture level, and it swells more across the grain than with it... So, if you start out with a round roller, when it gets wet, it will be a little oblong, or, depending on the grain, a little egg-shaped...

    I would think that the best roller would be one made from a trunk or branch a little bigger than the desired size, turned down to the needed diameter... That way, the grain would run around the roller, rather than cutting across it.
  10. loquin

    loquin Active Member

    Maybe, if you mix polyurethane and sawdust, and cast a roller from it, you could get a stable, durable roller with good wet 'grip'...
  11. powdersummit

    powdersummit New Member

    Solid wood isn't very stable especially with the type of moisture and temperature swings that would be associated with a drive roller. I was thinking about trying to make some blanks out of laminated wood kind of like plywood. My idea would be to take similar grain woods and laminated them together like a piece of a pie. Drill a hole in the center of the pie, put the blank over an arbor in a wood lathe and turn it. This would make a fairly stable driver roller that would be semi cheap to produce. Heck you could even try to laminate several different types of wood in the same piece. You could arrange the wood so that the grain went from the center out which in theory would reduce the amount of wear on the roller.

    From there then a person could look into different types of finishing. Depending on how you made the roller you could sandblast the drive area to give a more textured surface for better grab of the tire. Then there are finishes that could make it even tougher. A few good coats of a oil based floor finish polyurethane would be a good starting point.

    I still think the spray on bed liners for a pickup would be a feasible idea for coating a drive roller. Herculiner which is a roll on bed liner is a mixture of polyurethane and small rubber pieces that adheres to most surfaces as well as itself. Kind of off topic but it's an avenue worth exploring.