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    Age of steam
    Thank you for the reply. The boat is over 30 years old. The boiler walls are 0.100 inches thick with the end plate the same thickness. It was originally 5
    tube boiler
    . The burner is a Optimus back pack stove that I modified. The burner and 5
    tube boiler
    did not build up that much steam, not enough burner. Added 4 more tubes and that seemed to help. In running, I fill the boiler up to valve near the top or the sight glass to get the longest run, a little over 30 minutes. She the boat first goes into the water ther is some priming going on but it settles down once heated and the water level goes down a bit. I believe the gauge does work as if I leave the boat sit it will go up. I have another gauge and should swap it out or test the one I m using. With running low pressure you do get a longer run. Thank you for the reply.
    6 months ago by RonH
    Being Sociable.
    Hi Gary, My apologies for not seeing your post earlier, I don't log on very regularly, preferring to spend as much of my spare time in the work shop. I am interested in marine steam as well and currently I am building a model of Formidable, LT 100 from John Pottinger plans enlarged to 1:24th scale. I have built a double acting, twin cylinder oscillator, steam is to be supplied using a steam generator otherwise known as a mono-
    tube boiler
    . Control being done using a Taranis 9xd programmable radio, quite untested at this stage. I have added a couple of photo's. Cheers, Stephen.
    1 year ago by stevedownunder

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