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Topic: Hey Haystack,,,, and all (Read 2252 times) previous topic - next topic

Hey Haystack,,,, and all

Reply #15 –
Seems the way these things always go, lookup all the electric concepts from the 70's that were bought up by the oil companies...  Saw some noise about this in industry but they were having lots of issues with tolerancing, and bad vibration problems with the rotating "valves"