Rotary Petrol Bicycle Engine :: Kit Conversions :: Power Assisted Bikes

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  Rotary Petrol Bicycle Engine #21429
Rotary Petrol Bicycle Engine 
click to enlarge

Price: AUD$1,239.00
includes GST* @ 10%

*GST tax only applicable within Australia.

Rotary?s Integral Design 2-stroke Petrol Power Unit is more than just motor for a bicycle, rather, it is a complete package that condenses all elements that make up a reliable & light weight petrol propulsion unit to power assist your bicycle.



Rotary?s Integral Design 2-stroke Petrol Power Unit is more than just motor for a bicycle, rather, it is a complete package that condenses all elements that make up a reliable & light weight petrol propulsion unit to power assist your bicycle.

This is achieved by taking an already proven design and making improvements using modern technique's in small engine manufacture.

It is important to note the power output of the motor is just under 200watts, as required to meet Federal & State government requirements to meet the vehicle classification of ?Power Assisted Bicycle?.

  • All aluminium alloy crankcase, with precision machined matched halves
  • Industrial hard-chrome plated cylinder walls for long-life & good abrasion resistance, critical in the two-stroke cylinder environment, (other products have cast-iron bores which are heavy in weight & are easily damaged by even a small amount of dislodged carbon).
  • 'Wet' centrifugal clutch unit contained within the crankcase not just for compactness, but also to increase clutch life via dissipating heat to incoming air mixture & lubrication via oil within air/fuel mix.
  • Internal reduction transmission with over-running clutch unit, which means you can pedal the bike without the engine running.
  • Many components designed to address the difficult problem of engine vibration being transmitted to the bicycle frame, eg.. muffler-torque rod & forward damper, wheel spokes have all been designed to reduce transfer of vibration to the frame.

SPECIFICATIONS
Weight of Engine: 8.2kg (not including wheel)
Power Output at drive spindle: 197watts @ 3750rpm (crank rpm, approx 18km/h road speed)
Maximum speed under power: 25km/h with 26" wheel (average 23km/h) on level ground
Fuel Consumption: approx 65km per 1L at a cruise speed of 24km/h (with 26" wheel)
Fuel Requirement: Fresh U.L.P mixed with 2-stroke oil.
at a ratio of 50:1
Cubic capacity: 30cc
Bore / Stroke: 33mm x 36mm
Compression ratio: 7.5:1
Ignition type / timing : C.D.I / 30deg B.T.D.C @ idle > 10deg B.T.D.C @ 5500 r.p.m
electronic rev limited @ 6000 r.p.m
Sparkplug / gap: Bosch WR10FC / 0.5mm
Internal transmission reduction ratio: 27:1
Transmission oil / capacity: SAE 80-140 / 90ml
Clutch unit: 'Wet' centrifugal with self-energize arrangement

After the whole D.I.Y. kit? Click here

Details
 
Quantity1000 item(s) available
Manufacturer Rotary
Product Name Rotary Petrol Bicycle Engine
Freight Type Large Accessory

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