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  • Jasonb
    Jasonb replied to the thread Upshur's opposed twin engine.
    Still no mention of what compression you have? You say there is compression with your hand over the top of the cylinder. You say the...
  • Jasonb
    Jasonb replied to the thread Upshur's opposed twin engine.
    Brian is "runing" it the opposite way as his starter box only goes in one direction.
  • Jasonb
    Jasonb replied to the thread Upshur's opposed twin engine.
    I'll second that What compression have you got as that could also be low if timing out
  • Jasonb
    Jasonb replied to the thread Upshur's opposed twin engine.
    You don't say what compression you have now that the engine is all back together. If it won't compress then it also won't be making a...
  • Jasonb
    Jasonb replied to the thread Shows keep getting smaller!.
    I have always look at it this way If I can buy some metal from one of the traders at the show then the saving on postage will cover the...
  • Jasonb
    Jasonb replied to the thread Shows keep getting smaller!.
    As for cost in the UK you don't have to pay to exhibit your model. Some shows will still expect you to pay your entrance fee others will...
  • Jasonb
    I would say maybe only 25% of the models in the videos or images on line were in the competiton classes so unlikely to be that. I have...
  • Jasonb
    Jasonb replied to the thread Upshur's opposed twin engine.
    I doubt Brian's Loctite is working as it should hence his ability to easily remove the plugs where most of us would need to use heat to...
  • Jasonb
    In the UK the models are judged to a criteria and if more than one meets that and scores highly enough in any class you will get an...
  • Jasonb
    Jasonb replied to the thread Upshur's opposed twin engine.
    You said that you had good compression so why the need for a valve tester now? "I'm running Viton o-rings on my pistons and both...
  • Jasonb
    Jasonb replied to the thread Jekyll's Pendulous Engine c 1870.
    Thanks for all the comments. I did post about the build but not as extensive as I usually do but it shows the main parts...
  • Jasonb
    400 and 600 will probably do the job
  • Jasonb
    Look on ebay for lapidary powder (stone tumbling/polishing) it is not expensive you only need buy very small amounts $5 for 50grams inc...
  • Jasonb
    Jasonb replied to the thread A couple of engines for GreenTwin.
    Considerable savings can be made if you just buy a few separate castings and then supply your own materials for the rest. You can also...
  • Jasonb
    Jasonb replied to the thread Upshur's opposed twin engine.
    Sparky, I already told him to try an RC shop as that is where I have got them. Hundreads to choose from on Ali...
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