DC Brush Starter Generator

The Skurka Aerospace Inc. APC Starter Generator Line was designed for the starting of turbine engines and APU’s. The starter generator is used as an engine-driven source of DC power and is normally rated at 28-30 volts with a continuous load of 150-400 Amps over a speed range of 6,900 – 12,000 RPM depending on the requirements.

SAI has focused on product reliability in order to offer extended Time Between Overhaul (TBO) intervals to our customers through the improvement of brush and bearing life as well as cooling optimization. Specific attention is placed on the brush selection to ensure the right brush is selected based on the flight profile of the aircraft to ensure optimum performance. SAI also uses high performance bearings with high temperature grease to ensure the longevity of the generator.

Our starter generators can be found on many commercial business jets and helicopters as well as UAV’s and regional jets supporting the main engines and APU’s.


Analog and Digital Generator Control Units (GCU) are available to pair with the SAI starter generators.

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DC Brush Starter Generator Data Sheet | Download PDF


Performance Specifications:


  • Voltage (DC): 28-30V


  • Output Power (HP): 3.8 to 12.5
  • Rated Power: 4.5 to 12 kW
  • Speed Range: 6,900 to 12,000 RPM
  • Continuous Load: 150 to 400A


  • TBO of 1000 to 2000 Hours
  • Extended Life Brushes
  • High Performance Bearings
  • Superior Varnish

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