What is it that actually keeps the slide valve seated. I'm guessing that it is
just the differential pressure between steam coming from the regulator and the
ambient pressure in the blast pipe (exhaust).
My reason for asking is linked to my C-16 timing issues. Cliff from Accucraft
recommended I file down the valves. The measurement from the outside of the
forward steam inlet to outside of the rear is .375, I filed the valve down to
.400 and I am able to time the engine visually to admit steam a few degrees
after TDC.
I'm still trying to get it to run smoothly, but I am getting a large amount of
steam out of the stack and the boiler can't keep up, so it seems the valve is
not seating. I did polish the valve face with crocus cloth so I know it will
take a while for the valve to bed in.
Help me mister wizard!
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