PT-6

Combustion section of a PT-6 Turboprop engine
Nikon P7000

I took this while experimenting a bit with close-up photos. It’s a little challenging since I’m just using a good point and shoot, not a DSLR. This is the inside of a Pratt & Whitney Canada PT-6 turboprop engine, used to power Beech King Air and similar small turboprop aircraft. The part shown here is the combustion section, where the flame is created. The disc in the center of the photo is the compressor. The compressor compresses incoming air, which is ignited at engine start by ignitor and fuel being injected into the combustion chamber. After starting is complete, the ignitors are turned off and the combination of fuel and air continues to burn and provides power to turn the turbine, which is what creates the rotational power for the propeller and allows the plane to fly.

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