Hercules (motorcycle)
 | You can help expand this article with text translated from the corresponding article in German. Click [show] for important translation instructions.
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| Industry | Bicycles and motorcycles |
|---|---|
| Founded | April 5, 1886 |
| Founder | Carl Marschütz |
Hercules is a German brand of bicycles and motorcycles.
History
[edit]Founded as The Hercules Company in 1886[1] by Carl Marschütz in Nuremberg,[2] Hercules initially only produced bicycles,[3] but began producing motorcycles in 1904.
The company was merged with Zweirad Union after being purchased by Fichtel & Sachs in 1963.[4] In the 1950s and 1960s, Sachs was the largest European fabricator of two-stroke engines for motorcycles.[5] Many of these engines were used in Hercules-branded motorcycles, scooters and mopeds.
In 1996, Hercules ended motorcycle production. In 2014, Zweirad Einkaufs Genossenschaft bought the rights to the Hercules brand from Accell.
Wankel engine use
[edit]In 1974, Hercules became the first company to offer a Wankel engine-powered motorcycle for sale to the general public—the W-2000. A prototype was first shown in 1970 at the West Cologne Autumn Motorcycle Show to a mixed reception. As the United Kingdom already had its own motorcycle company named Hercules, the W-2000 was marketed there as a DKW.
The W-2000 had a Sachs-built air-cooled 294 cc single-rotor engine that produced between 23–32 hp (17–24 kW). Cooling was via a large fan in front of the engine, aided by oncoming wind at speed, and engine lubrication relied on manually adding oil to the fuel in the tank.[6] In 1976, Hercules launched the W-2000 Injection, in which a pump introduced lubricant from a separate reservoir. It had 18-inch wheels, a front disc brake, and a rear drum brake.
A March 1976 Cycle World review praised the W-2000's handling, but noted that the bike's low ground clearance limited its cornering ability, declaring the W-2000 to be a daily commuting bike instead of a sports bike.[6]
In May 1975, Hercules introduced a rotary-powered dirt bike, the KC-30 GS Enduro. The model failed to sell due to its high price of $2,900.[6]
The Sachs single-rotor engine as used by Hercules, the only commercially available engine then, was used as a basis by BSA engineer David Garside in the early 1970s when designing a 588 cc twin-rotor motorcycle engine, which reached production in the Norton Classic.[7]
Partial product line
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References
[edit]- ^ Deutsche Autos. Motorbuch Verlag.
- ^ Tracy, David. "Let's Have A Close Look At The Hercules W-2000: The World's First Rotary Motorcycle". Jalopnik. Retrieved 8 January 2018.
- ^ "1939 Herrenrad Hercules (Fahrrad Werke, Nurnberg)". The Online Bicycle Museum. Archived from the original on 9 January 2014. Retrieved 6 July 2016.
The German Hercules bicycle is a large and powerful machine.
- ^ "History". Sachs Bikes. Archived from the original on 7 February 2009.
- ^ "Hercules Motorcycles". Cybermotorcycle.com. Retrieved 3 September 2014.
- ^ a b c Williams, Greg (2 February 2012). "Hercules W-2000: The First Rotary-Powered Motorcycle". Motorcycle Classics. Retrieved 7 December 2012.
- ^ Robinson, John (December 1974). "NVT's Wankel: Interview with David Garside". Motorcycle Mechanics. pp. 41–43.
After five years of research and rather touchy secrecy, Triumph suddenly announced their very own version of a rotary engine to the Press and put one on show at Cologne". Garside: "We started with the only commercially available engine, the Fichtel and Sachs, which gave about 20hp. So our first thought was to double the rotors to get around 40hp and then by development...we've got it up to target. On the test bench we've even had 80hp running with open exhausts.
- ^ "Hercules". Cybermotorcycles.com. Archived from the original on 3 March 2016. Retrieved 27 June 2009.
External links
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