[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [PSUBS-MAILIST] Vent valves



Hi Hugh. As I recall, Brent was toying with a few designs, and Vance was building them for his sub. I don't remember seeing any sketches of Vance's design, but Brent had a few of proposed vent valves. Frank D.