Author Comment Last activity Moderation
danbeavers "Go here to see the results from experimentation. " | Read more » over 6 years ago
danbeavers "Perhaps a better analogy would be a survey rod. It is designed to be read under poor conditions. Perhaps there is some other scale that is easily..." | Read more » about 7 years ago
danbeavers "The screw valve should BE a needle valve. I suggest a needle valve so that there is a large range of flow control. Most other valves are mainly o..." | Read more » about 8 years ago