Rotax 912-UL User Manual

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page 8 - 1
Jan. 01/2007
Effectivity: 912 Serie
OM Edition 1 / Rev. 0
BRP-Rotax
Weight in kg (lb) 912 UL 912 A 912 F 912 ULS 912 S
Configuration 2/4
57,1 (126) with
overload clutch
55,4 (122)
without clutch
57,1
(126)
57,1
(126)
58,3 (128) with
overload clutch
56,6 (125)
without clutch
58,3
(128)
Configuration 3
59,8 (132) 61 (134)
8) Technical data
8.1) Dimensions
02715
8.2) Weights
◆ NOTE: The stated weights are dry weights (without operating
fluids)
with: electric starter, carburetors, internal generator,
ignition unit and oil tank
without: exhaust system, radiator, airbox
Equipment:
External alternator: .................... 3,0 kg (6,6 lb)
Vacuum pump: .......................... 0,8 kg (1,8 lb)
Overload clutch: ........................ 1,7 kg (3,7 lb)
◆ NOTE: The overload clutch is installed on all certified aircraft
engines and on non-certified aircraft engines of the
configuration 3.
02716
Description 912 UL / A / F 912 ULS / S
Bore 79,5 mm (3,13 in) 84 mm (3,31 in)
Stroke 61 mm (2,40 in) 61 mm (2,4 in)
Displacement 1211 cm3 (73,9 in3) 1352 cm3 (82,5 in3)
Compression
ratio.
9,0 : 1 10,5 : 1

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)