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Jasonb

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Join Date:

03-30-2008

Last Activity:

04-25-2018 6:16 AM

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427 Likes on 269 Posts 

    ABOUT ME

  • Surrey, UK

LATEST ACTIVITY

  • Posted in thread: bore/stroke and crank rules of thumb (steam) on 04-22-2018 at 06:25 AM
    If you want an example then Westbury's "Spartan" high speed uniflow engine has 7/8" bore, 3/4"
    stroke and conrod ctrs of 1.5". This would give max conrod angle of about 14degreesThis was
    most likely i...

  • Posted in thread: ???Crankshaft for a wobbler engine??? on 04-21-2018 at 06:07 AM
    Try a narrower bit like a parting tool and work it side to side, a full 1/2" wide cut is going
    to put a lot of strain on your part.

  • Posted in thread: Webster engine metrc? on 04-06-2018 at 06:28 AM
    Just contact one of the Chinese companies that are making the Webster and selling them on e-bay
    and you too will be able to make them from their drawings/CAD files.

  • Posted in thread: Stuart Turner Compound Engine Castings on 03-08-2018 at 04:11 PM
    The compound launch is not supplied with barstock now so the cost of these should not be
    knocked off the current Stuart price.

  • Posted in thread: 1/4 scale Galloway help needed on 02-24-2018 at 07:44 AM
    This is how I did the yoke on my 1/3rd version

  • Posted in thread: Small milling on 02-22-2018 at 07:43 AM
    if the issue of small parts is speed for small cutters don't worry if your big mill won't run
    at the speeds suggested for small dia tools just run as fast as you can and take it easy

  • Posted in thread: More confusion over flame lickers on 02-15-2018 at 07:40 AM
    Lack of friction and a good fit of piston in cylinder and fit of shutter and valve, these all
    want lapping but its not that hard to do.Brian is about to strat on one of Jan's engines so
    have a look at...

  • Posted in thread: Suggestions of what to do with. on 02-11-2018 at 08:18 AM
    Julius has a couple of fan designs that may well fit, also look at Brians "head cold" thread
    for another sterling based on a fan design. will need a way to let the gasses out either holes
    or a chimne...

  • Posted in thread: 1/6 scale Galloway Ignitor on 02-11-2018 at 08:12 AM
    On my 1/3rd and a couple of Root & Van Dervort engines I have about 0.025 gap, I use tungsten
    carbide cut from TIG electrode silver soldered onto the arms so it does not wear.

  • Posted in thread: Suggestions of what to do with. on 02-08-2018 at 01:06 PM
    Couple of bearing pedestals fixed to the top rim to support a crankshaft, small steam engine
    cylinder at the bottom of one side driving the crank, dummy feed water pump on the opposite
    side driven off...

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