All posts in Roehr

Hyosung GT650r Superbike Replica – ROEHR eSuperSport Electric Motorcycle

Illinois-based ROEHR Motorcycles has announced a 2011 update to last year’s eSuperSport model. The new entry-level performance superbike’s design is now based on the award-winning Hyosung GT650R, it’s been given a power boost, has a top speed of over 100 mph and its onboard battery is said to be good for 75 miles before needing some charging attention.

Hyosung GT650r Superbike Replica - ROEHR eSuperSport Electric Motorcycle

ROEHR has revealed that its new 2011 eSuperSport has been built around a twin oval tube steel beam frame and its single speed direct drive AC induction motor offers 67hp (50Kw) peak power and 80 pounds per foot (11.06kg/m) torque, with a top speed in excess of 100 mph (160+ kph).

The Lithium Iron Phosphate LiFePO4 high discharge cylindrical cell battery solution has a 7.7 Kwh capacity that should be good for 75 miles (120 km) before needing to be topped up using its 1500 watt onboard charger, which offers a recharge time of seven hours. An eROEHR Battery Management system controls the charging functions, low voltage >> Read More

Harley Meets Ducati – The Roehr American Superbike Takes Shape

2007 The Harley-Davidson Revolution Engine Erik Buell dismissed as too large and heavy for a sportsbike may get its chance to fly after all. Roehr is seeking investors to capitalise its first production run of its flag-waving American RV1000 sportsbike.
The project is the brainchild of Walter Roehrich, previously known for his 2-stroke street racer of 1995, the RV500.

he Roehr American superbike

That bike was torpedoed by the prohibitive cost of Direct Fuel Injection technology required in order to meet tightening emissions regulations.

Not to be disheartened, Roehrich set out to recreate the light weight, high power, fine handling characteristics of the RV500 using a large capacity 4-stroke engine. After initial testing using an ultra-light Highland v-twin capable of around 120bhp, it was decided that only an all-American concept would fly with buyers (this doesn’t extend to the chassis, where the best of Ohlins, Brembo and Marchesini have been called in).

From there, the Porsche-designed 1130cc H-D Revolution engine was an easy choice. “There was never any other engine seriously considered,” said Roehrich, >> Read More