Rotax 912-UL User Manual

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page 10 - 2
Jan. 01/2007
Effectivity: 912 UL / A / F
OM Edition 1 / Rev. 0
BRP-Rotax
7. Engine start, operating temperature:
max. ............................................ 50 °C .................. (120 °F)
min. ............................................. -25 °C .................. (-13 °F)
8. Fuel pressure:
max. ............................................ 0,4 bar ................. (5,8 psi)
min. ............................................. 0,15 bar ............... (2,2 psi)
◆ NOTE: Exceeding the max. admissible fuel pressure will
override the float valve of the carburetor.
The delivery pressure of an additional backing
pump (e.g. electric standby pump) must not
exceed 0,3 bar (4.4 psi) in order not to override
the float valve.
9. Power consumption of the hydraulic propeller governor:
max. ............................................ 600 W
10. Power consumption of the vacuum pump:
max. ............................................ 300 W
11. Power consumption of the external alternator:
max. ............................................ 1200 W
12. Deviation from bank angle
max. ............................................ 40°
◆ NOTE: Up to this value the dry sump lubrication system
warrants lubrication in every flight situation.

Rotax 912-UL Specifications

General

Displacement	1211 cc
Bore x Stroke	79.5 mm x 61 mm
Compression Ratio	9.0:1
TBO (Time Between Overhaul)	2000 hours
Engine Type	4-cylinder, 4-stroke
Power Output	80 hp
Cooling System	Liquid/air-cooled
Fuel Type	Avgas 100LL or unleaded automotive gasoline
Oil Capacity	3 liters
Fuel System	2 carburetors
Oil System	Dry sump forced lubrication with separate oil tank
Reduction Gear Ratio	2.43:1
Max Continuous Power	75 hp (56 kW)