Green Sky Adventures, Inc.    of North Central Florida
  Toll free 888 887-5625         Cell 352 318-5625    or Email  mail@greenskyadventures.com
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Rotax 447 UL
2 cylinder, 2 stroke fan cooled engine with piston ported inlet, 
electronic single ignition, exhaust system, rewind starter. 
447 UL-SCDI
Single Carb
HP@rpm
ft. lb.@rpm
Max RPM
 
39.6@6500
34.0@6000
6800

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Bore
Stroke 
Displacement 
Compression 
Ratio 
67.5 mm
2.66 in.
61 mm
2.40 in.
436.5 cc
26.64 cu. in.
theoretical
9.6
effective
6.3
Fuel Consumption
US Gal/Hr
Imp. Gal/Hr
5.5
4.6
Typical Installation weights
Items
Lbs.
Engine with carbs
61.3
Exhaust system
10.8
Air filter(s)
0.4
No Drive - No El.St.
72.5
Weight to Power
1.831
With B Drive - No El.St.
82.4
Weight to Power
2.082
With B Drive & El.St.
93.2
Weight to Power
2.354
With C Drive - No El.St.
90.1
Weight to Power
2.276
With C Drive & El.St.
100.9
Weight to Power
2.549
With E Drive 
97.2
Weight to Power
2.454
Variables.
Cooling Fan Cooled Free Air

Exhaust
Side Mount, 90 Degree, Fisher, Straight

Gearbox
Type B  up, down
2.0  2.238  2.58
Type C up, down
2.62 3.0 3.47 4.0

Type E up, down
2.62  3.0  3.47  4.0


Options
Air Filters
Single Air Intake Silencer
Throttle /  Choke Cables

Primer
Fuel Line
Clamps
Fuel Filter
Electric Start
Regulator Rectifier
Starter Switch 
Instruments



Propeller
Specifications and performance data shown is typical for the engines described and is general in nature.  All information is subject to change without notice.  Information shown is not to be used for flight or flight planning purposes.  Consult the appropriate engine and/or aircraft manual(s) for specific technical information.