Hydraulic transfer case.....of sorts

forrest315

New Member
Joined
Jan 6, 2009
Location
Upstate NY, soon to be Miami!
Well, brain storming a bit last night to resolve the issue of steep axle angles in a Samurai with big lift and tractor tires. So I got to thinking about hydraulic power and it's uses on industrial equipment and the power that can be created. So this is the idea,

hyd pump/ motor? powered by factory 5 speed, hooked directly to driveshaft.

hoses are connected to another hyd motor of equal displacement connected to a divorced/ relocated transfercase.


It is basically to be used just to transfer power with minimal loss. Yet allowing the transfer case to be mounted in a more optimal location. Let me know what you guys think.

some things to think about,

-RPM - most pumps/motors operate around 3k rpm , which would end up being 3rd or 4th gear in the Samurai?

-possibly higher displacement hyd motor :
for the transfer case : essentially gaining torque but losing rpm

-reverse? obviously a hyd motor can spin either direction, what about the pump? not many can

-noise- going to soundlike a damn piece of heavy equipment!

just a thought, has anyone seen this done? Just throwing it out there. I figure why not give it a shot. I've got access to the parts, might haveto get a couple lines made, other than that should be very straight forward.


:driver:
 
Do away with thr transmission, couple the pump directly to the motor, stay around 2,400rpm most of your eaton & saur -danfoss pumps overspeed at 2,600 rpm. Find a viarable volume motor & couple that to the transfercase. other than hoses you will need a tank for the hydraulic oil, large cooler. pressure & temp gauges so you can moniter your oil temp & pressures. You will also need to play with the orifice's in the internal pilot check valves in the motor so when you start off you don't break everything behind the hyd. motor.

Can it be done? Yes
 
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