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    Returning from long absence

    Sorry to say its been several years since I have posted anything here. Things sure have changed since the last post I did about my Duplex Factory engine. I new have a house with many projects. I moved all my machine from work to home and added more machines from my father after his passing. I...
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    Duplex Factory Steam Engine

    I must be crazy! I started making my brass hex head screws for my cylinder head and bearing caps. A total of 68 screws. I know I could buy them, but I just wanted to do them myself. I've done just about everything. I think they look a lot better then the socket head cap screws I had in there. Tom
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    Duplex Factory Steam Engine

    Thanks all for the great comments. Matt - The brass Acorn nuts are 10-32 size. I just happen to get get them from the local True Value hardware store. As you can see in the pics I wasn't able to get enough and one or two of them are two piece with a brass cap. If I can't get some more I may...
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    Duplex Factory Steam Engine

    gbritnell Thanks for the words if inspiration. Sometimes the length of time that it takes to complete such an engine gets discouraging. responce from others give the motivation to keep going. Thanks to all on this forum. Tom
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    Duplex Factory Steam Engine

    I know how you guys like pictures, so here's some more. I was able to whip out three oil cups for the main bearings. Nothing fancy, I know that I could buy them but what the hey. Tom
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    Duplex Factory Steam Engine

    I've added some more pictures to show how my stevenson valve gear is progressing. Tom
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    Sideshaft Hit-miss

    Just Fantastic! th_confused0052 Would like to see a video of it running? Tom
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    Greetings from Bristol Connecticut

    Welcome Bill Like to see pics of your radial. Located in Southbury, Ct Tom
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    Duplex Factory Steam Engine

    Here are the final pictures of the slide link. I still need to do finish polish to remove tool marks, but that will come at a later date. I also had put sometime into making the connectors for the slide link. Tom
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    Duplex Factory Steam Engine

    I started making the valve slide links. As you can see in the pics I first machined the location of all the holes. Then cut the arcs. After I cut the first one off, I moved the plate to the other hole on the center pin and started all over. Tom
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    Duplex Factory Steam Engine

    Phil I understand what your saying, but I only seem to have that problem with aluminum. It just might be that the motion is slow. I used the same material on the Mine Engine and the Factory Engine and it has not been a problem. Tom
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    Duplex Factory Steam Engine

    I was able to spend some time on making the eccentric straps. The following pictures show how I did it.
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    Duplex Factory Steam Engine

    Bending brass tubing is a pain. :redface2: I tried so many ways till I finally found one that work for me. The tubing diameter I use was 9/32. I had some long springs with just the right internal dimensions. I slipped it on then used a standard tubing bender to fit the OD of the spring. :D...
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    Duplex Factory Steam Engine

    I did some work on my eccentrics and did some pics. I'm planning on using stevenson valve gear so I made four. next I need to spend some time on my CAD station to layout and draw the slide link. Hope to have it soon. Tom Mounted a arbor into four jaw chuck and set offset to .125. Turned...
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    Duplex Factory Steam Engine

    Thanks Matt I've been drawing the plans as I go. When I finish the engine, I will put the plans into into book form. Tom
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