Rotax 912 i series Installation Manual

d05782.fm
INSTALLATION MANUAL
BRP-Powertrain
Effectivity: 912 i Series
Edition 1/Rev. 2
61-00-00
Page 4
January 01/2014
Propeller shaft
flange
See Fig. 2
Attachment of propeller on prop shaft flange:
Graphic Propeller shaft flange
Fig. 2 02581, 09193
1.2) Operating limits
Torque
Max. torque:
- 340 Nm (250.77 ft.lb.) (on propeller)
Max. moment of
inertia
Max. permissible moment of inertia on propeller:
- 6000 kgcm
2
(14.238 lb ft
2
)
- Normal between 1500 kg cm
2
and 6000 kg cm
2
(3.559 lb ft
2
and
14.238 lb/ft
2
)
Extension of
propeller shaft
- Max. extension of the propeller shaft: 120 mm (4.72 in.)
Out of balance Dynamic balancing of the propeller as specified by the propeller manufac-
turer must be carried out.
Pitch circle diameter 75 mm (2.95 in.) 6x through holes 8 mm (0.31 in.)
Pitch circle diameter 80 mm (3.15 in.) 6x through holes 11.5 mm (0.45 in.)
Pitch circle diameter 101.6 mm (4“) 6x through holes 13 mm (0.51 in.)
Hub diameter 47 mm (1.85 in.)
Lk = ø101,6
Lk = ø80
Lk = ø75
ø13,018
ø11,5
ø12,975
ø8
+0,2
8,5
P
ø47
-0,05
max. 120 mm
(4.72 in.)

WARNUNG
NOTICE
Modification of the propeller shaft is not permitted.

Rotax 912 i series Specifications

General

Number of Cylinders	4
Max Power	100 hp (73.5 kW)
Max Power Output RPM	5800 rpm
Ignition System	Dual electronic ignition
Oil System	Dry sump, forced lubrication with separate oil tank
Reduction Gear Ratio	2.43:1
TBO	2000 hours
Engine Type	4-stroke, horizontally opposed
Displacement	1352 cm³
Bore x Stroke	84 mm x 61 mm
Max Torque	128 Nm
Fuel Type	Avgas 100LL or unleaded automotive gasoline
Fuel System	Electronic fuel injection
Cooling System	Liquid/air-cooled