German-based high-performance and noise reducing propeller systems manufacturer MT-Propeller performed the first test flight of its new 11-blade propeller installed on a Piper PA–31T1 powered by Pratt & Whitney PT6A-135 turbine engines.
11-blade propeller takes flight
German-based high-performance and noise reducing propeller systems manufacturer MT-Propeller performed the first test flight of its new 11-blade propeller installed on a Piper PA–31T1 powered by Pratt & Whitney PT6A-135…
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