dear all
isnt that a variable speed clutch ...
i seem to recall polarias snow mobile running with that sort of deal
i could be wrong with the name ...
but the higher the torque the tighter the outside edges of the pully got on
the belt
the faster the machine would ride on the snow ...
;o)
yours

On Wed, Apr 30, 2008 at 3:24 PM, John Rodgers <inua@charter.net> wrote:

> I am looking at a very old machine called a Radcliffe Jigger/Jolly. The
> thing has a motor that by way of belts drives a sheave (big pully) on
> the end of ahorizontal shaft about four feet long. On the opposite end
> from the sheave is mounted a big metal disk. This shaft with it's disk
> turns at a constant RPM. .
>
> Where the big disk is, it engages a small wheel mounted on a vertical
> shaft. I cannot see from pictures exactly how that smaller wheel moves,
> but somehow this is a clutch assembly and drive assembly that allows the
> large disk to drive the smaller wheel to drive the vertical shaft. At
> the same time, it allows the vertical shaft to speed up and slow down.
>
> So, my questions is, which way does the smaller wheel have to move to
> speed up and which to slow down??. Towards the center of the big disk -
> or away from the big disk.
>
> Has anyone ever seen such a thing? How would you clutch it to disengage
> it altogether.- put it in an idle mode?
>
> Thanks,
>
> John Rodgers
> 88 GL Driver
>

--
roger w
There are two kinds of jobs in the world:
Picking up garbage and telling people things.
Successful people do both, with the same good attitude. (riw)
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