I know that I should know this already but here is the clutch explanation
http://auto.howstuffworks.com/clutch1.htm
Seems that I would need to make a flywheel that bolted onto the motor shaft and a stationary plate to bolt to the bell housing equivalent.
although all these kits use clutchless connections
http://e-volks.com/electric_car_conversions.html
these conversions use a clutch
http://www.electroauto.com/catalog/adaptors.shtml
but are very expensive - easier without a clutch?
here is a good comparison...
http://civic-ev.blogspot.com/2008/05/ordering-motor-adapter.html
which is a summary of
http://groups.google.com/group/civic-ev-kit/browse_thread/thread/4e5acb932c92f43f
seems to be about $875 us for the adapter plate kit
http://www.electroauto.com/catalog/price-pts.shtml
here is a good place to start
http://www.evconvert.com/article/your-first-electric-car
come back to that later - now I need to sort out mechatronics urgently
Here is a good diagram from d&d motor systems showing what is needed.

I think where I am at is to use the gearbox and a clutch with a d&d sepex motor and sevcon powerpack controller (72V system)
http://www.thunderstruck-ev.com/ddmotor.htm
I have no idea what sort of d&d motor this is though - that will decide if it is a goer!!
although it seems that it is going to be a bit marginal with power :-(
only real advantage of sepex now is regen!
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