Propeller Drive; Technical Data - Rotax 914 series Installation Manual

20) Propeller drive

The propeller in tractor or pusher arrangement has to be fitted on the propeller flange in
accordance to current certification. As required utilize one of the three possible pitch circle
diameters (P.C.D.) on the flange.
Certification of the propeller sizing and arrangement to the latest requirement such as FAR or
EASA has to be conducted by the aircraft manufacturer.
▲ WARNING: Never run the engine without a propeller installed as engine would suffer

20.1) Technical data

See Fig. 85.
- direction of rotation
of the prop flange:
- location:
- attachment of propeller on prop shaft flange:
P.C.D 75 mm (2,95"):
P.C.D 80 mm (3,15"):
P.C.D 101,6 mm (4"):
hub diameter:
- ratio of gear reduction:
- max. torque:
- max. moment of inertia :
- max. permitted static
out-of-balance on a prop:
- max. extension of the propeller shaft:
■ CAUTION:
Effectivity: 914 Series
Edition 2 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
severe damage by overspeeding.
Never fit propeller directly on crankshaft.
No modification of propeller shaft is permitted.
counter clockwise, looking towards face of flange
see system of coordinates
6 bolt holes of 8 mm (.32 in.) dia
6 bolt holes of 11,5 mm (.45 in.) dia
6 bolt holes of 13 mm (.51 in.) dia.
47 mm (1.85 in.)
2,4286 (51 T/21 T)
340 Nm (250 ft.lb.) at propeller
2
6000 kgcm (14.238 lb.ft.
max. 0,5 gm (.043 lb.in.)
120 mm (4.72 in.)
2
)
page 127
July 01/2008