Dave explained :
Grinding anything is not about loading the grindstone wheel, but about
getting a feel of grinding. If you want to grind something quickly, revert to
the DIY favourite, the angle grinder.

In fact, what would the group's opinion be on that?

No problem, I do it all the time.

--
Regards,
Harry (M1BYT) (L)
http://www.ukradioamateur.co.uk