Boston seeks ban on motorized bikes after shooting
BOSTON—Boston Mayor Thomas Menino is calling for a ban on motorized dirt bikes in the city, partly in response to a shooting in a Dorchester playground that wounded a four-year-old boy.
Read more at http://www.boston.com/news/local/massachusetts/articles/2011/06/29/boston_seeks_ban_on_motorized_bikes_after_shooting/
Date Line Jan 30, 2010 See the first video of the 2-speed http://www.youtube.com/watch?v=tP0ZtAtjiE4 When I first watched this video I heard the engine slowing down like my 4-strokes then it shifted down and pulled on up the hill, very impressive.
Date Line Jan. 24, 2010 Greenspinner has the first pics of the "2matic" Miles of cyclonetics.com is the designer of this revolutionary transmission. The "2matic" looks to be the break through transmission for the motorized biking industry. See the pics below.
Date Line Jan. 13, 2010 SBP shifter kit copied is this your typical Chinese theft or a planned move by a US importer?
Date Line Jan 1, 2010 Another Firebelly in testing apparently the first design has been scraped. The new design features a auto clutch with timming belt.
Ez motorbike has a 2-speed in the works release date UNK.
Date Line Dec. 22, 2009 No clear answer on if 2 stroke engines will be arriving in the USA for 2010. Word is the 2 strokes don't meet EPA requirements.
Date Line Oct 30, 2009 The Firebelly is still in the works, when they hit the market is unknown, suggested retail price is $350.
Ezmotorbike has apparently abandoned their original build in favor of a centrifugal clutch model, possibly due to poor belt life.
Date Line May 16,2009 A ezmotorbike dealer has gained clearance to complete the ultimate motorized bicycle test. Details are sketchy but a full anouncement is expected soon
Date Line April 21, 2009 The first ezmotorbike dealer models are hitting the road full reports of performance are slow to come in. The flexable exhaust and pedal extenders will be and extra cost the kit is expected to sale for $650.00. Updates comming!
Breaking news! Firebelly cycles is working on a new gearbox design latest report is retail price will be $350.00
Date Line April 10, 2009 The ezmotorbike kits have been shipped for dealers input. The reports are the
transmission is performing well. The lack of pedal extenders or a flexable exhaust has left dealers trying
to figure out a solution. Ez motorbike has the flexable exhaust and pedal extenders but did not ship with
kit and may be only offered as and extra.
Greenspinner has encountered this problem with other 4-stroke bike engine kits for more information on
the fix visit the motorized bikes page.
Curtiss Airplanes In 1919 Rasmussen built a two-stroke engine, which he marketed as a toy engine under the name “Des Knaben Wunsch” (literally: “The Boy’s Wish”). This mini-engine was enlarged and used as an auxiliary bicycle engine, and subsequently in 1922 was made into a genuine motorcycle engine known as “Das Kleine Wunder” (“The Small Miracle”). Under the auspices of Jørgen Skafte Rasmussen with Manager Carl Hahn and Chief Designer Hermann Weber, DKW developed into the world’s most important motorcycle manufacturer in the course of the 1920s – in 1928 the Zschopau plant was the largest motorcycle factory in the world. In that very year Rasmussen took over the Audi car factories in Zwickau, and two years later commissioned the Audi designers with the production of a small car with the following design features: a DKW two-cylinder two-stroke motorcycle engine with a displacement of 600 cc, a unitary wooden body with leatherette upholstery, front and rear swing axles and front-wheel drive. The DKW Front was thus born, becoming one of the best-selling and most popular German small cars of its time Duesenberg car The German-born brothers Fred and August Duesenberg came to the US as youngsters, and began their careers with a cycle shop. They had gone down the familiar route of fitting an engine to a bicycle before building, in 1905, their own car, and soon acquired a reputation for creating simple and well-engineered racing engines. They also produced marine and aircraft units for the war effort (a 55-litre V16 800bhp aero engine was one of the more heroic projects), but after the conflict, the brothers found themselves drawn to racing, and, inevitably, the Indianapolis 500. Duesenbergs won the Indy 500 in 1924, 1925 and 1927. BMW Bayerische Motoren Werke (Bavarian Motor Works) Ducati Harley Davidson
William Harley and his two friends, Arthur and Walter Davidson, who launched the Harley-Davidson Motor Company in 1903. At the age of 21, Harley had drawn up plans for a small bike engine in 1901. It would take him and his friend, Arthur, another two years to get the engine to operate a bicycle. Upon completion, the men found the motor wasn't able to power a bicycle up a hill, so Harley and Arthur, with the help of Walter, went back to the drawing board to design a better engine. In 1904, the men entered their motor-bicycle, with the new and improved engine, into a race. Several months later, the Harley-Davidson team put small advertisements in the back of an automobile journal, offering engines to those who had the capability of attaching the engines to bicycles. People started buying the bikes. A bike with a Harley-Davidson engine was a strong contender in a motorcycle race. In 1906, Harley and the Davidsons built their first factory in Milwaukee and produced 50 motorcycles
Glen Curtiss was born in Hammodsport, New York, in 1878. He had just turned 23 when he encountered his first motorcycle (a Thomas Auto-Bi) at Buffalo's Pan-American Exposition in 1901. As a bicycle shop owner, and compulsive tinkerer, he was intrigued.
Armed with increasingly larger Thomas mail-order engines, he jerrybuilt two motorized bicycles that summer. Within six months Curtiss was manufacturing with a local foundry, turning out single-cylinder engines from his sketches.
Audi
In 1907 the Dane Jørgen Skafte Rasmussen set up a small metal goods factory in Zschopau in the Ore Mountains
Duesenberg is the aristocrat of American cars, a status-symbol collector's marque with a near- religious following.
Gustav Otto
Gustav Otto's father, Nikolaus Otto, invented the four-stroke internal combustion engine
Otto established the Otto-Werke Flugzeug und Maschinenfabrik (Otto Works Aircraft and Machine Co.), which offered among other products the 'Flottweg' bicycle with an auxiliary engine. In 1921 he expanded the business to include the manufacture of autos and boats. In 1924 Otto's wife divorced him, and she soon remarried but died in 1925 under mysterious circumstances. After this Otto sank back into depression and committed suicide in 1926. His motorized bike, boat, and auto business became Flottweg Motoren Werke (Flottweg Motor Works), and in recent decades it has evolved into Flottweg AG, a manufacturer of centrifuges and industrial equipment for waste water processing.
The 1946 Cucciolo (little puppy) engine was sold in a box to be attached to a bicycle. Before WWII, Ducati had produced radio tubes and condensers, but with the Cucciolo's success, Ducati became a motorcycle manufacturer.
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