Propeller Drive; Technical Data - Rotax 912 Series Installation Manual

18) 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

18.1) Technical data

See Fig. 80.
- direction of rotation
of the prop flange:
flange
- attachment of propeller on prop shaft flange:
- ratio of gear reduction:
- max. torque:
ROTAX 912 UL, A, F for i=2,2727:
ROTAX 912 UL, A, F for i=2,4286:
ROTAX 912 ULS, S for i=2,4286:
- max. moment of inertia :
- max. permitted static
out-of-balance on a prop:
- max. extension of the propeller shaft:
■ CAUTION:
Effectivity: 912 Series
Edition 1 / Rev. 0
BRP-Rotax
INSTALLATION MANUAL
suffer severe damage by overspeeding.
Never fit propeller directly on crankshaft.
P.C.D 75 mm (2,95"):
P.C.D 80 mm (3,15"):
P.C.D 101,6 mm (4"):
hub diameter:
No modification of propeller shaft permitted.
counter clockwise, looking towards face of
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.)
2,2727 (50 Teeth/22 T)
2,4286 (51 T/21 T)
238 Nm (176 ft.lb.) (at propeller)
255 Nm (188 ft.lb.) (at propeller)
315 Nm (232 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 121
May 01/2007