• Mike Burch's Avatar
    12-07-2018, 12:57 AM
    Alas, no! OOS has been around a long time in various guises, but does not seem to have been taken particularly seriously until the last few decades. ...
    1225 replies | 422277 view(s)
  • Mike Burch's Avatar
    12-05-2018, 05:35 PM
    Apologies, Plunger. I should have been more explanatory. Back in the 1800s, the first telegraphists used the up-and-down or "straight" keys which...
    1225 replies | 422277 view(s)
  • Mike Burch's Avatar
    12-05-2018, 12:20 AM
    Finally finished all the machining on my home-brew Morse paddles. The base and bridge were milled from mild steel, the pillars and adjusting screws...
    1225 replies | 422277 view(s)
  • Mike Burch's Avatar
    12-05-2018, 12:08 AM
    Mike Burch added 2 photo(s) to album Morse Paddles
  • Mike Burch's Avatar
    12-05-2018, 12:06 AM
    Mike Burch created an album Morse Paddles
  • Mike Burch's Avatar
    12-02-2018, 03:36 AM
    Jerry, unfortunately the RF25 does not have an accessible thread at the top of the spindle, just an extension of the splines, so I don't think I can...
    59 replies | 2665 view(s)
  • Mike Burch's Avatar
    11-30-2018, 06:22 PM
    Machinery House is really the only possible place in New Zealand from whom to buy new machines of a size for a home workshop. Fortunately, they're...
    59 replies | 2665 view(s)
  • Mike Burch's Avatar
    11-10-2018, 06:58 PM
    You can measure the open-circuit voltage of the battery some time after you have run the generator (to allow the voltage time to settle after the...
    33 replies | 1537 view(s)
  • Mike Burch's Avatar
    11-09-2018, 04:36 PM
    1. No. Use Anderson connectors, as Jerry advises. 2. Yes, but beware of using too grunty a charger. SLA (Sealed Lead Acid) batteries do not like...
    33 replies | 1537 view(s)
  • Mike Burch's Avatar
    11-03-2018, 10:26 PM
    Mike Burch replied to a thread Burnishing in General
    I use a steel on my kitchen knives pretty frequently, and I always wipe the blade clean before using the knife. If you use a piece of white paper...
    43 replies | 2260 view(s)
  • Mike Burch's Avatar
    10-31-2018, 08:14 PM
    The seller has replied to a question of identity: "No name. But I think American. Have another very similar which is bockford usa "
    15 replies | 1287 view(s)
  • Mike Burch's Avatar
    10-28-2018, 05:09 AM
    The suffix "ZZ" has nothing to do with tolerances or quality. It just means that the bearing has a steel shield on each side. (My local suppliers...
    10 replies | 654 view(s)
  • Mike Burch's Avatar
    10-23-2018, 06:06 AM
    Mike Burch replied to a thread Price of steel in General
    Last week I bought some 16mm plate locally, and had to pay the New Zealand equivalent of US$6.18 per pound. Caught me by surprise, too! And...
    22 replies | 2062 view(s)
  • Mike Burch's Avatar
    09-23-2018, 08:26 PM
    This: https://www.arceurotrade.co.uk/machineguides/SC3-Mini-Lathe-Dismantling-and-Reassembly-Guide.pdf gives an excellent guide to turning the...
    62 replies | 5585 view(s)
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About Mike Burch

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About Mike Burch
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09-04-2008
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