Cotta SN1903 High-Speed Transmission
Model SN1939 is a foot mounted high speed dual increasing stage transmission designed for test stand use. The gearbox has a vertical offset. The gears are helical, carburized and precision ground. The bearings are anti-friction. The case is stress relieved, fabricated steel.
MAXIMUM OUTPUT SPEED: 30,000 RPM
RATIO: Up to 16.55
INPUT SHAFT: 3.250 diameter with 3/4 X 3/8 keyway.
OUTPUT: AND20006 output pad.
DIRECTION OF ROTATION: Bi-rotational
ACCEL/DECEL RATE: 2000 RPM/second maximum (Related to output speed).
LUBRICATION REQUIREMENT: AGMA #1 Oil level sight gauge. Reservoir is in the case.
COOLING: Water to oil heat exchanger with modulating water control valve.
OPTIONS: Output shaft, various AND pads, temp/pressure switch
WEIGHT: Approximately 1600 lbs.