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| Coax indicator design |
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| winklmj:
Amazing...design to Mk1 in 6 days. I want one. |
| BillTodd:
Ok here's the MkII provisional design A straight shaft should be easier to make and means the critical parts of the body, the bore and face, can be machined in one operation. Bill |
| mklotz:
Bill, Can I encourage you to provide a few measurements for your design, please? Just the main shaft and the bronze sleeve ought to cover it. |
| BillTodd:
--- Quote from: mklotz on November 12, 2010, 01:07:45 PM ---Bill, Can I encourage you to provide a few measurements for your design, please? Just the main shaft and the bronze sleeve ought to cover it. --- End quote --- No problem Marv The attached drawing are for MkI - I'm sure you can extrapolate to the MkII if you need to :) The drawings are as designed rather than as made so, for instance, I made the large diameter of the shaft 19mm (~3/4") because the A4 bolt I used as stock would not quite give me 20mm once surfaced. If it's easier to make the 15mm diameter = 5/8" or the 10mm = 3/8" , it won't make any difference to the function of the device. The bearing ball I used was 5mm but 3/16" or even 1/4" would do, just adjust the holes to suit. I machined the indicator holder to be a press fit into the side of the body - might have been better to thread it. |
| mklotz:
Many thanks, Bill. I have a broken Chinese clone of a Blake that I'll cannibalize for probe and rocker. It will be satisfying to turn the junk into a useful tool. |
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