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2. Timeline of motorized bicycle history - Wikipedia

   en.wikipedia.org/wiki/Timeline_of_motorized...

   1903 – A California motorized bicycle ridden by George Wyman became the first motor vehicle to cross the North American continent. [10]1903 – 1962 The "Shaw Manufacturing Co." of Galesburg, Kansas advertises a 241cc chain-drive engine kit (1903–1915) for motorizing a bicycle in "Popular Mechanics" magazine for $90.

3. Whizzer (motorcycles) - Wikipedia

   en.wikipedia.org/wiki/Whizzer_(motorcycles)

   In 1948, Whizzer sold its first pre-assembled motorized bicycle, the "Pacemaker", for US$199.50 (equivalent to $2,500 in 2023). [ 1 ] The "Sportsman" – featuring 138cc, 3 hp engine, 20" wheels, kick starter and drum brakes – was released in 1949 for US$224.50 (equivalent to $2,900 in 2023), and US$239.50 (equivalent to $3,100 in 2023) for ...

4. Motorized bicycle - Wikipedia

   en.wikipedia.org/wiki/Motorized_bicycle

   A motorized bicycle is a bicycle with an motor or engine and transmission used either to power the vehicle unassisted, or to assist with pedalling. Since it sometimes retains both pedals and a discrete connected drive for rider-powered propulsion, the motorized bicycle is in technical terms a true bicycle, albeit a power-assisted one.

5. Break-in (mechanical run-in) - Wikipedia

   en.wikipedia.org/wiki/Break-in_(mechanical_run-in)

   Break-in or breaking in, also known as run-in or running in, is the procedure of conditioning a new piece of equipment by giving it an initial period of running, usually under light load, but sometimes under heavy load or normal load. It is generally a process of moving parts wearing against each other to produce the last small bit of size and ...

6. Simplex Manufacturing Corporation - Wikipedia

   en.wikipedia.org/wiki/Simplex_Manufacturing...

   The original Servi-Cycle design had the engine drive the rear wheel by belt, with no transmission or clutch, requiring the engine to be shut off while the cycle is at rest. [8] In 1941, a pedal-operated clutch was added. [10] By 1950, Simplex added a belt-type automatic transmission.

7. Mechanical doping - Wikipedia

   en.wikipedia.org/wiki/Mechanical_doping

   Motor doping, or mechanical doping, in competitive cycling terminology, is a method of cheating by using a hidden motor to help propel a racing bicycle. The term is an analogy to chemical doping in sport , cheating by using performance-enhancing drugs .

8. Rickman Motorcycles - Wikipedia

   en.wikipedia.org/wiki/Rickman_Motorcycles

   The road bikes were the first to use disc brakes both front and rear (a joint project with Lockheed). [ 4 ] Other innovations included the use of large diameter telescopic forks (1-5/8" or 41.2mm) and oil carried in the frame tubes to help dissipate heat and save weight.

9. List of Wheeler Dealers episodes - Wikipedia

   en.wikipedia.org/wiki/List_of_Wheeler_Dealers...

   Work Completed: Electric propulsion system renewed with more modern system consisting of 12 new battery packs, new AC brushless induction motors, new motor controllers, new radiators, new wiring and regenerative braking system, increasing power, torque and range, clutch assembly replaced, leather seats refreshed by oiling and conditioning ...