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[quote user="Rikers Yard"] If they are going to make a new boiler and changes in the running and valve gear, why not start from the ground up? Wouldn't it be easer to build it the way it needs to be rather than fudge it together to fit with what you have? Not a design engineer, but it makes sense to me. And you wouldn't be destroying history for maybe nothing. <div style="clear:both;">                           Tim[/quote]</div> It makes sense to me too.  From reading their various news releases, this is what I gather they intend to do: Design and build a new boiler and steam delivery circuit.  I suspect that might require a new throttle assembly, superheater, and at least some modification to the cylinder assembly. Design and build a gas producer firebox for the boiler.  This would require a different grate system, steam cooling jets under the grate, and secondary combustion air inlets that penetrate both walls of the firebox, and let air in above the fire. Design and produce new drivers, rods, and counterbalancing design.  Superinsulate the boiler, cylinders, and all steam piping.  Design and build a new exhaust nozzel system. Possible modification of lead and trailing trucks, tender trucks, bearings, and all suspension systems including springs, equalizers, etc. Design and build an entirely new fuel delivery system. Design and build an automatic firing system that enables one-man operation.  This would probably include completely new montioring and control system for fuel and water delivery. Design and build a streamlining shroud for the locomotive.   They have estimated $3-million for this work.
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