Sounds like too much to go wrong to me! Got to keep Mr Goodwrench
Lawrence Rhodes wrote:
> Using a very complex system of planetary ring and sun gears, plus
> three clutches and two electric motors, GM engineers were able to
> extract additional efficiency and range out of the system; up to
> "two miles," with the help of the ICE in direct drive mode which
> includes the traction motor at all times states GM's technical paper .
> As the paper describes it, the Volt has four driving modes: single
> motor EV, two motor EV, single motor extended-range, two motor
> extended range combined. The single e-motor (EM1) is used to launch
> the vehicle and operate at it lower speeds. It can develop 111kW of
> power, giving the car brisk acceleration. For high-speed EV-only
> travel, the electric generator that is attached to the IC engine,
> converts into an electric motor (EM2), providing additional torque
> to propel the vehicle using battery power only.
>> From EV World. http://evworld.com/currents.cfm?jid=154
> Lawrence Rhodes...
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