What is coffman starter?

Coffman starters are pneumatic starting systems used to start aircraft engines. They use high-pressure compressed air to turn the engine's rotor and provide the initial power needed to start the engine. Coffman starters are commonly used in aircraft with piston engines, such as small airplanes and helicopters.

The Coffman starter system consists of an air bottle, a control valve, an ignition cartridge, and a starter motor. When the pilot activates the Coffman starter, the control valve releases the high-pressure air from the air bottle into the starter motor. The starter motor then uses this compressed air to engage with the engine's rotor and turn it over, initiating the engine start cycle.

Coffman starters are known for their reliability and efficiency in starting aircraft engines quickly and effectively. They are also preferred for their simplicity and ease of use, making them popular among pilots and aircraft mechanics.

Overall, Coffman starters are an essential component of many aircraft engine starting systems, providing the power needed to start the engine and ensuring a smooth and safe takeoff.