High-Speed Gearbox

Cotta’s SN2291 is a single increasing stage, two output, foot mounted high=speed gearbox designed for test stand use.  The model has a stub input shaft and two outputs located horizontally with the option of a third output. The outputs can have the same ratio, or different ratios on each output.

Power:  400 HP nominal

Output Speed:  Up to 15,000 RPM

Ratios:  Up to 5 overspeed. Contact Cotta for specific ratios within range

Max Accel/Decel Rate:  2000 RPM/SEC at output. Contact Cotta for higher rates

Input Configuration:  Custom aerospace accessory mounting pad is typical. Shafts and various other pads available

Output Configuration:  Custom aerospace accessory mounting pad is typical. Shafts and various other pads available

Rotation:  Input can be driven CCW or CW. Outputs rotate opposite to input

Lubrication:  Positive delivery.  Pump, heat exchanger, and necessary temp and pressure controls are furnished

Sump:  The gearbox case is the sump

Options:  Accelerometers, speed pickup, and other application specific can be accommodated or supplied

Approximate Weight:  700 LBS

Standard Finish:  2-part polyurethane enamel

Built to provide many years of service, Cotta High-Speed gearboxes are offered in a variety of standard and customized designs.

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