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Whizzer bicycle engines are a line of bicycle engines that were produced in the United States from 1939 to 1965. They were commonly sold as kits to be assembled and attached to a consumer's bicycle thus creating a motorized bicycle. Whizzer U.S.A. re-appeared in 1997 to sell an improved version, pre-assembled on an old Schwinn-style bicycle frame.
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.
Velosolex — an electric folding bike which can reach speeds of up to 25 km/h (16 mph) and has a range of up to 50 km (31 mi). [3] Solexity — an electric assisted bicycle which can reach speeds of up to 25 km/h (16 mph) [Pedelec norm] and has a range of up to 60 km (37 mi). [4]
Bicycle drivetrain systems are used to transmit power on bicycles, tricycles, quadracycles, unicycles, or other human-powered vehicles from the riders to the drive wheels. Most also include some type of a mechanism to convert speed and torque via gear ratios .
[citation needed] Hub motors were common in 19th century electric bicycle designs but fell out of favor until their resurgence in the 2000s. [12] Another type of electric assist motor is the mid-drive system, where the electric motor is not built into the wheel but is usually mounted beside or under the bottom bracket shell. The propulsion is ...
Pages in category "Motorized bicycles" ... Thomas Motor Company; W. Whizzer (motorcycles) This page was last edited on 8 December 2023, at 19:36 (UTC ...
The RevoPower is a motorized wheel concept, the idea being the conversion of a pedal-powered bicycle into a motorcycle. It was invented by Steve Katsaros, based in Denver , Colorado. The RevoPower concept is a wheel with a two-stroke engine inside it which allows the bike attached to it to travel up to 20 miles per hour (32 km/h) at over 100 ...
An electric wheel hub motor car was raced by Ferdinand Porsche in 1897 in Vienna, Austria. He developed his first cars as electric cars with electric wheel hub motors that ran on batteries. [15] A racecar by Lohner–Porsche fitted with four wheel-hub motors debuted at the World Exhibition in Paris in 1900. Alongside it a commercial model was ...