View single post by Helmut
 Posted: Mon Aug 17th, 2015 06:29 am
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Joined: Sun Feb 17th, 2013
Location: Friedberg, Germany
Posts: 1252
These were trial runs, e. g. note the different steam dome. They changed some things 'on the fly' there as the workshop is well-equipped ( makes me jealous at times ) The drain cocks now release only a rather small amount of steam, but is has been found that the counter-pressure which inevitably builds up when the valve cuts off and the piston compresses the remaining steam just before the end of its travel, is much less. So overall operation is smoother than with completely closed cocks. When starting from a pause, you have to open the cocks anyway.

Regards, H.
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