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.