My spare motor broke down beyond repair, so after much agonising, I went for this one from China:
http://www.amazon.co.uk/Handpiece-Ma.../dp/B00EPX9K72
It arrived in good time and on first test I was able to grind a piece of acrylic with only a quarter of its available speed using a 13mm pink stone, without it stalling easily. This is a good test of torque and had been my main concern with buying online.
I did notice however that the handpiece is inscribed 35K max, which is not as fast as the product description. I have decided not to complain to Amazon, as I really do not need more speed but get the more glamorous control box and the foot pedal speed control included.
The foot control is an optional extra which can be unplugged, for instance for travelling, using only the hand dial to set the speed
In retrospect, had I been on a tighter budget I might well have bought an even cheaper version. It certainly knocks the Dremel and entry model flexshafts into a cocked hat- that is if it doesn’t break down tomorrow- though I don't see why it should.. Dennis.
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