Quote:
Originally Posted by Bonzo
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The problem with selecting the correct starter motor is that not only does the engine direction effect it but also the mounting position, some mount gearbox side, some engine side this effect which way they rotate.
We recently did a conversion for a customer's Spire GTR, he supplied the starter motor and we made the fitting kit & gear ring, which was to be removable after IVA, so we dovetailed the ring in 2 places. We calculated the gear ring to give a reverse speed of about 7mph as it was going to be switch operated (on or off)
It worked beautifully, forwards, with the starter supplied. This has since been rectified with a more suitable starter motor.
The only problem with laser cutting one is how long the gear ring will last, although if it's not too hard to get at it doesn't really mater if they have to be replaced from time to time.
Kind regards
John