BELLANCA CRUISAIR SR – 150 HP 

PERFORMANCE COMPARISON

Aeromatic model F-200 Blade 00-74B

Std. Sensenich Fixed Pitch Propeller

Max. Speed Performance

Fixed Pitch                              Aeromatic

RPM  2435                             2350

IAS (corrected) 133                152

Improvement                           14%

                         Takeoff Run___________

Fixed Pitch                              957 ft.

Aeromatic                               485 ft.

Improvement                           49.4%

This test was done in 1947