31-12-2018, 11:29 PM
(31-12-2018, 03:24 PM)AustinWood Wrote: I imagine that the centre can break away because it will be stressed by the crankshaft whipping.
One of my early Austin 7 memories is of watching the flywheel on a light shaft engine with the starter removed - the rim 'widened' by what seemed to be 1/8" as the shaft whipped !