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  1. a--d

    Ridders Coffee Cup Stirling

    So after a, err, brief, hiatus I've picked this up again. I had to move house after my landlord sold it (!) which meant the lathe was dismantled for moving and put into storage. I miss the quick change gearbox! I'm a member of a local community workshop though so after uhm-ing and ah-ing for...
  2. a--d

    Creative idea for a wall decal?

    You should look on Flickr Commons. A lot of the 5x4 film stuff shot around the 1930s-40s that you are thinking of is in the Library of Congress and available to download high resolution. There are some great photographs in the collection. To downlaod a high resolution version you simply click...
  3. a--d

    Ridders Coffee Cup Stirling

    Slow! I recently had an exam, then disappeared to Barcelona for a few days with the girlfriend - even as I type this I'm about to head out the door to help paint the spare room. On holiday I came across a huge mechanical sculpture, but after a brief search I can't find any more information about...
  4. a--d

    Ridders Coffee Cup Stirling

    Thanks Paul, I'll bear that in mind. I have to admit it's starting to get a little old!
  5. a--d

    Ridders Coffee Cup Stirling

    Hi danstir, thanks, glad you are enjoying it. I've parted and turned the rest of the work cylinder to size - parting was quite friendly and with a sharp tool I could do it at quite a high spindle speed which made a change! I didn't want to extend the tool and reset the height so instead I cut...
  6. a--d

    Ridders Coffee Cup Stirling

    The upper displacer cylinder plate and I have had a falling out, so I've put it to one side for the moment so I can think about it. I accidentally faced off the punch mark for the larger of the two bore holes, then carelessly drilled a ridiculously off-centre hole for the new hole, making it...
  7. a--d

    Ridders Coffee Cup Stirling

    Hi, I've started building a Ridders Coffee Cup Stirling engine here in Yorkshire, England. After spending a year turning a lot of metal into swarf and not really getting anywhere other than fixing a few things on the lathe itself I decided a proper project would be a good start. I...
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