Re: Re: Re: Home built Log Skidder,

Posted by Tom R on February 19, 2001 at 04:11:58 from (207.91.28.93):

In Reply to: Re: Re: Home built Log Skidder, posted by Canadian Cowboy on February 18, 2001 at 16:26:39:

Hey Cowboy:

To answer your questions it sure looked good on paper: but I never completed it so even though I am sure it would have worked I don't have a working machine to prove it.

On a bi-directional motor setup you can plumb in 4 check valves and an adjustable relief valve to make the motor pump back into it self and provide self-braking. This braking works very well and would hold back your load. This circuit is often used in mobile hydraulics and winch circuits. My problem was I was looking for a large affordable variable displacement pressure compensated pump so that I could use only one pump for all hydraulics and not use an automatic transmission on the back of the engine.

My Bobcat skid loader uses a hydraulic motor on each side with a chain drive to couple the wheels together and it sure brakes effectively even with a load on the machine.

Tom R

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