Starter Generator – DC 300SG Series



The 300SG Series DC Starter Generator is manufactured or cataloged by Aircraft Parts Corp. (Skurka). The Starter-Generator is used as an engine-driven source of DC power in a 28-volt aircraft electrical system and as a source of starting power for lightweight turbine engines. An efficient integral fan draws air in at the anti-drive end of the generator to permit self-cooled operation. The DC output is 30 Volts and 300 Amperes with a continuous operating speed of 12,000 RPMs. The external starting power is 28 VDC Max and 1,700 Amperes Max. Generally, these Starter Generators are used on turbine helicopter, turboprop, and light jet aircraft serving the commercial and military sectors.

Part numbers within this series include but may not be limited to 300SG117Q, 300SG118Q, 300SG119Q, 300SG120Q, 300SG121Q, 300SG121Q-2, 300SG125Q, 300SG126Q, and 300SG127Q.

Additional information

Weight 50 lbs
Dimensions 24 × 12 × 12 in

Aircraft Type

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Part Number

300SG118Q, 300SG119Q, 300SG120Q, 300SG121Q, 300SG121Q-2, 300SG141Q