turbine vanes Left to right, 11th stage of compression JT8D-STD (B737-200) is stainless steel, the second can not remember what stage of JT9D-7Q compressor (b747-200) is titanium, the third for the same model turbine and steel, the last is the 8th stage compressor JT8D-STD (B737-200) is titanium, all belonging to Pratt & Whitney engines
Boenigen
Black Box 737
APU turbine shaft of a simple shaft 737 to 35000 RPM works
APU boosters do not remember whether or second phase
Pimero
Nuts
self braking (not loose)
