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Schlumpf Speed Drive. A Schlumpf Drive is a two-speed planetary gear assembly for use on bicycles and unicycles. It is distinct from other bicycle planetary gear assemblies in that it is located behind the chainring rather than in the rear hub. A push-button on each side of the axle allows the rider to switch between high and low ratios.
Efficiency testing of bicycle gearing systems is complicated by a number of factors – in particular, all systems tend to be better at higher power rates. 200 W will drive a typical bicycle at 20 miles per hour (32 km/h), while athletes can achieve 400 W, at which point efficiencies "approaching 98%" are claimed.
Musée National de l’Automobile, Collection Schlumpf is an automobile museum located in Mulhouse, France, and built around the Schlumpf Collection of classic automobiles. It has the largest displayed collection of automobiles and contains the largest and most comprehensive collection of Bugatti motor vehicles in the world.
Giovanni Carlo Vittorio Schlumpf known as Hans Schlumpf (February 21, 1904 - January 1, 1989) [1] and Federico Filippo Augustino Schlumpf known as Fritz Schlumpf (February 24, 1906 - April 18, 1992) [2] more prominently known as Schlumpf Brothers were Italian-born Swiss textile industrialists, automobile collectors and convicted fraudsters.
Express Bicycles. Express Werke AG was a company formed in 1884 in Neumarkt in der Oberpfalz, Germany that manufactured bicycles and motorcycles.At the start of the company they produced 20 bikes with 16 employees in one year. [1]
Over time, production expanded to include the Model A, Mercury Cougar and Ford Mustang. A drone view shows the Ford plant in Cuautitlan Izcalli, Mexico on Jan. 30, 2025.
Elon Musk is testing the limits of legal and ethical restrictions on the role of special advisers in U.S. presidential administrations, according to some legal experts and lawmakers who oppose the ...
Kalkhoff logo Kalkhoff bicycle. Kalkhoff is a German bicycle manufacturer based in Cloppenburg; it was founded in 1919 by Heinrich Kalkhoff (* 30.November 1903; † 25. September 1972) as a family bu