Hydraulically actuated track performance measuring device was built by Bell Telephone Laboratories, Chester, NJ, to study feasibility of self-propelled underwater cable-laying trencher; hydraulic motor drives track with continuous speed control from zero to maximum; test track is suspended from traverse carriage by two track loading cylinders; cylinders control effective weight sensed by soil and are kept in vertical alignment by cylinder positioning system; drawbar dynamometer, held horizontal by leveling system, measures traction developed by test track.
Hydraulic track tests underwater traction
Hydraulics Pneumatics
Hydraulics and Pneumatics ; 20 , n 5
1967
4 pages
Article (Journal)
English
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