Most visitors online was 4107 , on 14 Jan 2023
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Wwisty replied to the thread 8mm Collets M7 x 0.5mm thread.Thanks Frank, but all the Vector/Chinese 8mm collets I can find online are M7 x 0.75mm. Tony at lathes.co.uk has documented a ZDZ TD8-A...
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Wwisty replied to the thread History Weight driven clock.BIG bucket may be needed. The tower clock I wind has 280lbs on the chime train!
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WI have acquired a nice Lorsch Schmidt & Co 8mm watchmakers lathe. It came with a fairly complete set of collets and accessories...
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Wwisty replied to the thread Winding Key Drill Bit.To measure the square, if you have a set of drills that go up in 0.1mm (or 1/64), find the drill which JUST fits. That will tell you the...
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Wwisty replied to the thread Winding Key Drill Bit.Look up Rotary Broach. They are designed to drill square (or hexagonal) holes. But not cheap and as RC says far cheaper and simpler to...
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Wwisty replied to the thread ... and your enemies closer..Chris (almost) gets the prize. That particular set was from Autumn 2017. The LH watch was a quartz offering from Amazon at £13.50, The...
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Wwisty replied to the thread ... and your enemies closer..A quiz I used when lecturing on the value customers place on things. The price of the middle watch is X times the price of the left hand...
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Wwisty replied to the thread Cross slide micrometer feed dials.Graham, it depends what is moving, nut or leadscrew. With a RH thread rotating clockwise, the thread screws into the nut. On most lathes...
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Wwisty replied to the thread Cross slide micrometer feed dials.I would suggest you make the dials you need. Turn the size of wheels you need from aluminium, bore the centres to suit the spindles. The...
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Wwisty replied to the thread Maintaining Power Spring on Vienna Regulator - Does This Look Right?.I think I agree with you, the wheel is on inverted. Looking at the mechanism, the great wheel should be able to rotate relative to the...
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Wwisty replied to the thread IBM Master Clock - Accumulator.Try ATO - IBM - IBM master clock accumulator -- Problem
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Wwisty replied to the thread Village church clock keeps stopping.. Discussion of the weight is at about 2:00, the Forces in Newtons at about 3:00
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Wwisty replied to the thread Village church clock keeps stopping.PS - All the calculations in my previous post ignore the friction resistance in the pulleys which your auto wind won't have. So the...
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Wwisty replied to the thread Village church clock keeps stopping.Took a look at that video. I am very confused about his units. He talks about 1000 newtons at the drum, which equates to the 224 lbs of...
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Wwisty replied to the thread Village church clock keeps stopping.One suggestion. Next time it stops mark the escape wheel (Sharpie marker) to identify the pin that is in contact with the pallet. Then...
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