Norton’s Wankel-rotary 588s Hemmings Motor News

24 Апр 2015 | Author: | Комментарии к записи Norton’s Wankel-rotary 588s Hemmings Motor News отключены
Norton Triumph Prototype

Racing success does not equate to success with the public

Feature Article Hemmings Sports Exotic Car

It over 18 years for Norton to a Wankel rotary engine their own motorcycle chassis. and development on the rotary Wankel during 1969 at the BSA Group Centre in Kitts Green. The engine was based on a Sachs rotary used in the German-built model W2000.

A final with Audi/NSU to market the engine in a production motorcycle was in August of 1972, and the project the absorption of the Norton Villiers into Triumph/BSA in 1973. A prototype was announced in several magazines in 1974, but they did not actual production until They were first as an air-cooled version in the Norton 2 police model P41.

In 1988, Norton changed to a rotary and released the police/military model P52 Interpol 2A. They made available to the public as a 588 model P53 in the same year.

The new were not well received by the public, and sales were however, Brian Crighton, an of Norton, spent many tweaking the rotary engine to more horsepower and performance out of it. In its configuration, the Wankel produced 85hp; however, Crighton was to tweak that up to 96hp some modifications.

This convinced the management a rotary-propelled race bike was and although he was not put in charge of any Norton motorcycle program per se, Brian was to scavenge parts from and damaged police bikes and to work on the prototype on his own time. the help of a few friends, Crighton was to modify the carburetion and cooling and beef up the performance to over while retaining the stock compression.

After testing at over 155 the team addressed some issues by having a custom aluminum frame built for it. lightened the bike and increased the even further. The Norton race bike dubbed the received John Player sponsorship in 1989 and went on to set speed records and achieve victories, including the 1992 of Man Senior TT under Steve and a 1994 Superbike win under Ian

Norton factory racers Ron and Steve Spray also success on 588cc rotary-powered racers.

Norton Triumph Prototype

On the retail side, Norton to market the Wankel-engined machines as the P53 touring bike and the P43 Classic bike. Less than 110 of the were built using the version of the rotary engine. In the model P55 John Player Norton F-1 was produced, and later a model F-1 Sport. The F-1 was a less version of the RWC588 race at 94hp, although it was mounted on the Spondon frame.

The F-1 weighed than 425 pounds, and this it very racy. Quarter-mile were in the mid-11s, and top speed was 155 MPH. An additional rotary-based the Interplus was introduced in 1992 as a bike.

Race track success did not to unit sales, however. The Nortons did not survive for very in touring bike market, and the F-1 only modest success.

continue to draw attention at classic motorcycle auctions and today. That interest has been fueled by the release of the new 961SS Commando and SE models by the new Motorcycle Company. The iconic motorcycle will also be one of our marques at the Hemmings Sports Car Show on August 7, 2010, at the Auto Museum in Saratoga New York.

This article originally in the July, 2010 issue of Sports Exotic Car.

Norton Triumph Prototype
Norton Triumph Prototype
Norton Triumph Prototype


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