Needed To Complete - UMS 7-90 cc User Manual

Engine Specications
Engine
Type
Displacement
Bore
Stroke
Cylinders
Total Weight
RPM Range
Fuel
Engine Dia & Length
Mufer Type
HP
Cylinder Type
Carb Type
Propellers Range

Needed to Complete

• 2-stroke oil
• Propeller
• Fuel line (3.5mm ID)
•
Engine mounting screws
Installing the Engine in the Airframe
Properly installing the engine to either the airframe or an engine test stand for break-in is crucial
to getting the most power and longest life from your engine.
WARNING:Always attach the engine mounting
ring to a at plate surface, such as
6–8mm plywood or carbon ber plate.
7-90 cc
4 - Stroke Petrol
90.0 cc
25.0 mm
26.0 mm
7
3.5 Kg with
Ignition Coil
1200 - 6000
Petrol with 1:32
Two Stroke oil
23.0 cm & 20.0 cm
Collector Ring
6.0
ABC
WT 621
2-Blade:26x10, 24x12
• Engine bafes
• Electronic ignition battery (2S 7.4V Li-Po or 6V Ni-MH)
• Electronic ignition switch
WARNING: Never use a standoff between the
rewall and the mounting ring. Vibration
between the standoff and the mounting ring
will damage the mounting ring and cause
the engine to separate from the airframe.
5