Preparing to get the rear wheel of my '52 plunger VH500 rebuilt, scrubbing the hub clean ready to paint before the wheel build, I was dismayed when half of one of the ten lugs on the sprocket mounting flange dropped off. It has broken across the threded bolt hole.
I know that as there are 10 bolts holding the sprocket, the looss of one may not be a big deal, but it seems stupid to go ahead rebuilding the wheel on a hub with this damage.
Its the "fixed"type of hub, not the "QD". If anybody has a usable hub to spare, fixed or QD, it would be the easy way around the problem.
Another option of course is to get it built up with weld and machined to the original shape, redrilled and tapped.
I have a good arc welder and a fair bit of experience but I have never welded cast iron before. With the right, hi nickle content rods, it ought to be a relatively simple pocess of filling in what remains of the threaded hole and building up the area around it with a series of small welds and developing minimal heat build up.
While I quite like the idea of having a go, it probably makes better sense to take it to somebody who is properly capable of doing it. So I'll ask around, but I would be glad if anybody can recommend a place, preferably somewhere in south west UK.