Marco mate, I suggest this thread is locked for a good while until some definitive answers are forthcoming. This saving faces and preventing any more awkwardness..

I don't know which particular one, but I've been told that the Techie quartz Locked drive was often latched onto cutting-lathe platters (which weigh considerably more than the MN platter) and never suffered in terms of reliability I understand. Furthermore, the only mechanical thing which would suffer is the bearing, and that's already been dealt with..