Phase 2 Electric / Turbine Powered Rover MGF - (Page 5/ Transmission)

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Will popped over tonight and we made a template of the Bell Mouth fitting, he's promised to draw it up in CAD for me, the plate will be where the motors attach to the gearbox.

Pictured is the final product, show bolted in to place using M12 Bolts. I chose Rednal Pneumatics again as they provide a reliable and friendly service.
Nearly completed assembly, A torque reaction and end shock mount support have yet to be made.

Shown is the Taper Lock type Cush Drive mounted on to the final drive motor, capable of 160Nm.
The Cush Drive on the Gearbox side shown with the original clutch drive plate spline pressed in to place.

And fitted to the gearbox, all very snug!
A fitment test to see how much clearance there is. I was quite worried about this part, but all has gone well and there are no issues.
There is about 35mm space between the tyre and the Motor Brush Cover, phew - ample spacing.
Now to remove the sub frame again and finalise the support mounts.

There are numerous advantages of using the original gearbox, one of them is being able to use an original MGF Dash Clock assembly. I wanted the tacho to be functional and display the motor's RPM as it would have done with the petrol engine. The Reluctance Probe shown above together with a bit of electronics will give me this information though the cars original displays.

Its' been a bad day.

This variation of the transmission will not last and I am gutted and very annoyed. The cost not including my time runs in the thousands and it's all wasted. The problem lies with how the Lemco made motor adaptors work.

# They rely on a metal to metal adapter with no play or cushioning.

# To be fair the design is for mounting two motors only, with four the slack between all the adaptor points is huge, this would result in lots of clanking when the throttle was reduced, for example when driving down an slope.

# The adapter plate contact area is absolutely minimal due to the space available between the armature and brush holder of the motor. Thus no allowance can be made for thermal expansion.

# Alignment of the motors is absolutely critical otherwise the drive to the six M6 cap head screws will be off centre, this would then result in the shearing of the cap head screws because the load is not evenly distributed.

# It's fair to say the Lemco motor is a superb piece of kit, but the motor expansion adapters and design are in my opinion an after thought, unfortunately I was sucked in to the idea because it ticked all the box's.

Back to the drawing board.

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