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You might have a use for this.

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slowcoach:
Hi Rob, Did you get it fixed up to your machine  :D :D :D

I'm glad I found the link in the end, because I'm no good at writing up stuff, I just don't seem able to explain it very well in text :bang:


Cheers
Rob :thumbup:

madjackghengis:
Hi Rob,  thanks for the early present, my old Logan needs one, and that looks much better than the motorcycle tach I was going to coble together with some sort of drive so the mechanical gauge would read something of value.  I think I can use the teeth of my back gear and get an accurate readout.  Top of the Morning to you :beer: mad jack

trevoratxtal:
Hello Rob
It was last year I converted my Harrison L5a to a 3 phase controller, I find it an absolute boon, I am led to believe the head bearings are rated up to 3000rpm for short periods perfect for polishing, and now screw cutting up to a shoulder holds no fears with any speed from stop upwards..
I thank you for the tachometer idea and will be taking it up.
Cheers
Trev

Rob.Wilson:

--- Quote from: slowcoach on December 24, 2010, 07:49:24 AM ---Hi Rob, Did you get it fixed up to your machine  :D :D :D
Cheers
Rob :thumbup:

--- End quote ---

Hi Rob

I have not fitted it to the mill yet ,,,, but have had a play with it on the lathe  :dremel: :D   works a charm  :bow: :bow: :bow:


Thanks Rob W

slowcoach:
Hi Trevor, Yep its a useful bit of kit a phase inverter, I haven't had my Harrison L5 beyond 760rpm (its max speed), I know changing the inverter frequency a bit higher gives you more rpm, but I was worried it might damage the motor. Screw cutting is a breeze as you say  :ddb:.

Just like a DRO the tacho is a great visual aid to have on any lathe/mill or even a bandsaw in my case :dremel:
Thanks again must go to Les who developed it, I just wish I had a contact email, so that I can thank him for posting it up on his website.

Cheers
Rob  :thumbup:

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