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    Tim Wescott replied to the thread Nalon Viper 2.5cc CI Engine.
    Tug, if I'm understanding what you're saying correctly, should you also be recommending that the front housing be fit so that the outer...
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    Tim Wescott replied to the thread LTD Stirling.
    Two nominally nice plates. I say "nominally" because the second one is a bit - uh - not flat. It's probably within about 0.01 or maybe...
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    Tim Wescott replied to the thread LTD Stirling.
    One plate, 4.497" in diameter -- I keep hitting these things a bit small! The other plate, ready to be tossed into the 4-jaw. I'm...
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    Tim Wescott replied to the thread LTD Stirling.
    Top and bottom plates. Made from some scrap aluminum sheet that I got God knows where. I'm going to see if I can turn these into nice...
    • 2020-11-24_14-49-44.jpg
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    Tim Wescott replied to the thread ENV aero engine project.
    I worked for a company building infrared cameras. we used a part that was electroformed by plating copper onto an aluminum form and...
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    Tim Wescott replied to the thread LTD Stirling.
    So where you you source a hunk of graphite for a power piston? I'm tempted to start out with an aluminum piston and some graphite...
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    Tim Wescott replied to the thread LTD Stirling.
    It's a displacer cylinder! It was supposed to come out one inch long, but it's about five mils short. I'm going to keep it.
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    Tim Wescott replied to the thread ENV aero engine project.
    I think you should anchor it to an ultralight that can fly on five or ten horsepower, and then do the obvious!
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    Tim Wescott replied to the thread ENV aero engine project.
    Oh, the sound is amazing! I love it.
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    Tim Wescott reacted to Wez1's post in the thread ENV aero engine project with Like Like.
    You can see some early runs here https://drive.google.com/file/d/1-AjbRFrt1uWEzuIQj8Gn5a6j321J2EUl/view?usp=sharing No load so throttle...
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    I have a lot of scrap, bought by the pound at the local scrap yard. Some of it came stamped with the alloy (i.e, I know my 6061 is...
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    (I don't doubt that's true, if you're a craftsman making top quality work. But I have a lot of fun with scrap and offcuts, not least...
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    Tim Wescott replied to the thread LTD Stirling.
    I just realized this should go into the "Engines" forum. Oops. If any moderator reads this -- feel free. At any rate -- decades ago I...
    • Cylinder_ready.jpg
    • tools.jpg
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    Is there something specific you want to build? I'm not sure what they're called in Australia, or if they exist, but in some states in...
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    Do you know what size it is? It looks like an 049 case, but I know Cox made a few larger versions with that same shape case.
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