17-09-2017, 09:21 AM
(16-09-2017, 06:23 PM)BusyBee Wrote: Well it's about time I updated my interest in this as my original post only answered an initial question.
In case you weren't aware, Mike Watterson is the expert on these Russian rod valves - see post #3 in this thread and subsequent posts.
Mike posted a lot of information on the old VRAT forum, so it would be well worth ploughing through that (I note that the search function still works, although I thought it had been disabled).
Here's a sample: http://www.forum.radios-tv.co.uk/viewtopic.php?f=3&t=7920&p=83168&hilit=Michael+Watt%2A#p83181
