1975-02-01

Hydrostatic Drive All Terrain Vehicle 750146

The description of a hydrostatic transmission system designed and built for a six wheel all-terrain vehicle is given. The transmission layout and components are described in detail. The drive train basically consists of a gasoline engine, two pumps, and six hydraulic motors, one for each wheel. The theoretical total horsepower required to get the maximum pressure, 3000 psi (20.7 MPa), and flow, 15 gpm (0.057 m3/min), capabilities of the two hydraulic systems comprising the transmission is 52.5 hp (39.1 kW).
A description of the design and construction of the vehicle with the hydrostatic drive is also given. The vehicle will accommodate one passenger, weighs 725 lb (329 kg) empty and can achieve a top speed of almost 30 mph (48 km/h). The instrument panel includes gauges for monitoring the hydraulic line pressures, flowrates and oil temperatures under actual operating conditions. The results of an extensive testing program are given.

SAE MOBILUS

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