Rotax 912-UL User Manual

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page 7 - 2
Jan. 01/2007
Effectivity: 912 Serie
OM Edition 1 / Rev. 0
BRP-Rotax
Type
(type)
Zulassung
(certification)
Baureihe
(configuration)
ROTAX
7.1) Type description
e.g. ROTAX 912 A 2
◆ NOTE: The type designation is of the following composition.
Type: 912 ......... 4-cyl. horizontalle opposed, normal aspirated
engine
Certification: A ............ certified to JAR 22 (TW 8/89)
F, S ........ certified to FAR 33 (TW9 - ACG)
UL, ULS . non-certified aircraft engines
Configuration: 1 ............. Prop shaft with flange for fixed pitch prop, P.C.D.
100 mm.
◆ NOTE: This configuration is not available any longer
and will be replaced by configuration 2.
2 ............. Prop shaft with flange for fixed pitch prop, P.C.D.
75 mm, P.C.D. 80 mm and 4" P.C.D.
3 ............. Prop shaft with flange for constant speed
propeller P.C.D. 75 mm, P.C.D. 80 mm, P.C.D.
4" and drive for hydraulic governor for constant
speed propeller.
4 ............. Prop flange for fixed pitch propeller P.C.D.
75 mm, P.C.D. 80 mm, P.C.D. 4" and prepared
for retrofit of a hydraulic governor for constant
speed propeller.
02091

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)