Скачать или смотреть "BLACKGATES TWIN" STEAM ENGINE - REVERSING VALVE REPAIR

  / keithappleton  
Blackgates Twin Steam Engine - Reversing Valve Repair - The demonstration model of the "Blackgates Twin" model steam engine has been taken to many exhibitions over the years and is now showing its age. The reversing valve would not turn at all, so I said that I would have a look at it and repair it where necessary. Here is a video of what I did to it. I also explain the basic principles of operation..............
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