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Sevcon providing electric drivetrains for Brammo Empulse and Empulse R motorcycles

Sevcon, Inc., a manufacturer of drivetrain controls for electric and hybrid vehicles, announced its selection by Brammo, Inc. to supply Gen4 motor controllers (earlier post) for Brammo’s newly launched Empulse and Empulse R electric motorcycles. (Earlier post.)

The 100 mph (161 km/h) Empulse R features Brammo’s Integrated Electric Transmission (IET), which consists of a specially designed electric motor, clutch and six-speed manual transmission. The IET gets its digital brainpower from Sevcon’s Gen4 motor controllers, which enable the motor, clutch and transmission to work together to replicate the acceleration, driving dynamics and overall performance of a motorcycle powered by an internal combustion engine.

Our growth strategy is focused on increasing our penetration of the on-road EV market to supplement our longstanding business in the off-road industrial EV sector. Based on our recent shipment trends, two-wheel vehicles—ranging in size from scooters to motorcycles—are selling faster than any other type of EV worldwide, and we see the Empulse as a significant opportunity to further increase Sevcon’s production volume in the months ahead.

—Sevcon President and CEO Matt Boyle

A product of Sevcon’s 60 years of EV drivetrain technology development, the Gen4 is a microprocessor-based device that regulates power delivery from the Empulse’s lithium-ion battery to the motor, controlling acceleration, speed and regenerative braking while optimizing energy consumption. The sportbike-styled Empulse has an average range of up to 100 miles on a single battery charge.




How can you have an average range of up to 100 miles? That is like saying the average person weighs up to 400 lbs. More specific information please.

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