[TR] Thread details on Lucas M418G starter shaft?

[Don Hiscock]

The original starter from my TR3B might be salvageable, and I'll happily
put it on the shelf for the day it needs to go back in.  As part of the
restoration we'd need to chase the threads on the motor shaft.  We're
trying to figure out exactly what threads it has.  (Note the bits aren't at
my place to check, and my other one is in the car.)



It's a Lucas M418G starter, part number 25550A.  The shaft nut is part
number 25581, as far as I can tell.  It's a clockwise-rotating motor,
stamped <----<<<, which means the cotter-pinned nut holding the Bendix in
place is left-handed thread, yes?  What diameter and pitch?



Any details appreciated.  TIA,


Don

1962 TR3B TSF202L

https://4xdog.smugmug.com/photos/i-6sXT8zC/0/XL/i-6sXT8zC-XL.jpg
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