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    1/4 scale International M

    Don't know whether Wismer Machine Co (Sellersville, PA) are still in business, but they did a castings kit for a 1/2 scale model of the International M. Back in 2009 the kit sold for $600. The original design was from Bruce Moyer. Just looked and they are still in business. The models were a...
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    MQL system (compare to fog buster)

    I have tried to search for John Bogs' write up on here so the two designs can be compared, but the 'Bogstandard' name is not recognised. Dave The Emerald Isle
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    MQL system (compare to fog buster)

    Not in any way trying to take away your efforts, but it looks similar in concept to John Bogs' original idea. There are 39 pics of JB's design. He only ever made rough sketches of his designs but they were good enough to follow. If anyone wants copies of the other pics, I can forward them...
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    Chinese ignition module

    After testing the ignition module again and finding it still didn't work, I cut off the sensor and put a test meter across the two wires. It was open circuit until a magnet was passed close to the sensor, then the meter showed 0 ohms. With a small hacksaw, I cut into the sensor housing and...
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    Fuel check valve

    After hitting the steel ball did you replace it, or use the same ball in the valve? Perhaps the ball has been damaged sufficiently to prevent a perfect seal. Have you thought of using a Viton ball? The rubbery material will slightly deform and should make a good (better?) seal. Viton balls are...
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    Forums vs Facebook groups

    There are several former groups that I belonged to that have gone FaceBook only. I don't use FaceBook or any other similar communication so have lost contact. I hope this forum keeps going in its present form. Dave The Emerald Isle
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    SS Great Britian, 1843, 322feet, 1,000 HP steam with sail assist

    That was quite a common approach in Merchant vessels up until about 1950. I sailed on two vessels built in 1947 (s.s. Urlana and s.s. Purnea) that had a triple expansion engine and a low pressure turbine coupled to the (single) main shaft. It was a way of increasing the efficiency of the steam...
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    Chinese ignition module

    That looks like the one fitted. Good find on that, so many thanks. It's worth paying the small cost to see if that was the problem. Dave The Emerald Isle
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    Chinese ignition module

    Ah, Steve. I should have guessed that Google would be my friend! Dave The Emerald Isle
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    Chinese ignition module

    I have one of the Chinese ignition modules that was working fine until the earth wire became detached. Reading various places about these modules failing, it is probably the Hall sensor that has fried. I'm considering getting a replacement Hall sensor to try, but the ones I have seen have 3...
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    English Hobby Machinist Magazine

    'Engineering In Miniature' is a UK magazine and still in circulation. 'Model Engineer' and its partner 'Model Engineer's Workshop', again still in circulation. Dave The Emerald Isle
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    Unimat SL lathe motor conversion.

    Ken I don't know if you are interested (or have done) other mods to your Unimat. There is a book by Rex Tingey: Making the Most Of the Unimat. I can send you a copy if you would like it. Dave The Emerald Isle
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    What would you build?

    I've had quite a few engine projects that ended up as junk! Dave The Emerald Isle
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    a scratch built wobbler steam engine

    The link below provides an interesting modification to Oscillating engine valve events. Dave The Emerald Isle
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    Elmer's No.35 Pump

    Yes. this piece even has the DuPont marking on the bottom! I was given a load of offcuts (sink cut-outs and the like) some time ago and they come in handy for small model bases. It's easy to cut with a hacksaw and files well. Dave The Emerald Isle