It works !
As you can see it is a very simple construction. A tyre is easy to get
and old electric motors could be found in any Company lumber room !
Because of the length the stones tumble I can say that this "model"
is about four times more effective than an ordinary small machine.
Some useful specifications and
insights in the construction process.
(same picture but as .jpeg)
<<< Back to LW's Geo Site
widmark@acc.umu.se