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How will NuVinciŽ CVP technology improve the performance and capabilities of a light electric vehicle (LEV)? |
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NuVinci Continuously Variable Planetary technology allows an
electric motor in an LEV to operate in a more efficient manner by not overloading
it in normal operation. Vehicle performance and rider experience is enhanced with
improved hill climbing ability, smoother/quicker acceleration, higher top-end
speed, increased load carrying and towing capacity, better accommodation of
larger adult riders, and extended range and battery life.
NuVinci CVP technology coupled with an efficient motor, an intelligent shifter
and motor controller, and state-of-the-art batteries provides manufacturers
a technical canvas to design LEVs never before possible. This is a major step
forward in the continuing quest to make LEVs that are truly practical commuter
vehicles.
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How will a NuVinci
CVP transmission be shifted? |
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An intelligent CVP controller will be integrated
into the vehicle allowing fully automatic control for both performance and economy
operation, or a manual-shifting mode for a fun and different rider experience.
Under normal operation, the NuVinci’s shifting will be completely
seamless and silent, with no disruption to torque, jerks, clunks or other undesirable
characteristics that would detract from the inherent smoothness of an electric
drivetrain.
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Is there any required maintenance
with a NuVinci CVP transmission? |
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The NuVinci CVP contains a fully synthetic “traction” fluid.
The only recommended maintenance is that the fluid be changed periodically. The change
interval will be determined by the manufacturer and type of use, with many
applications being fill-for-life. Some more aggressive applications, such as off road
vehicles, may require regular fill intervals due to contamination and/or heavy usage.
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When will an LEV with a NuVinci CVP be available in the market? |
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Currie Technologies Inc offers an e-bicycle with a NuVinci CVP drivetrain. It has also announced plans to offer an electric scooter, the IZIPT Fusion 1000. Press Release.
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What will a NuVinci CVP drivetrain for LEVs cost? |
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Fallbrook is dedicated to developing affordable, advanced technology. However, the price of an automatic shifting system for LEVs will be determined by electric vehicle manufacturers. A manual shifting NuVinci CVP drivetrain is available in kit form at a suggested retail price (SRP) of $449 from bicycle dealers. |
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LEV Technical Information & Developer Kit (October 2008) |
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LEV-CVT Whitepaper (December 2007; delivered at EVS-23) |
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