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Coax indicator design

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BillTodd:
Well that seems to work OK  :)

Made a little screw to clamp the probe onto the rocker (worked at second attempt having bent the first one  :hammer:)

Made a simple hook using a 3mm rod and a magnet from a small loudspeaker to hold the indicator still. Then, gave it its first test...

http://www.youtube.com/watch?v=wQYw0c3RN_0

There's a residual ~1/2 thou" wobble caused, I think, by the face out of alignment with the bore. The facing had to be a second operation because of the dual diameters of the bore - I may have another go at it, taking more care this time (MkII will have a straight bore) .

I also noted a tiny 'kick' with the thing zeroed on the mill, the cause of which I have not been able to find - could be a piece of **** in the taper part or ???

Bill

andyf:
That's terrific!
:clap: :clap: :clap: :clap: :clap:

Andy

bp:
Excellent!!
cheers
Bill Pudney
Adelaide, Australia

j45on:
Very nice job  :bow:

Rob.Wilson:
JUST THE JOB , nice one  :bow: :bow: :bow: :bow:

Rob

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