The hunt for the vacuum
Regular readers will recognise that we have been searching for the fabled 20+ inches of vacuum that our fellow stem boaters claim to achieve…. We, meanwhile, have only ever seen 5 to 10 inches at best 😦
Well, over the last few weeks, I think we have been edging towards an answer, and I think there is some valuable information for other steam plant operators, that can be gleaned from our experiences…