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Re: [PSUBS-MAILIST] Boucher, RPM



Brian,
You brought me out of hibernation. My prop turns about 900 RPM, but that is a guess. From the data that I used early on it seemed to be around that speed. I use a 6.7HP electric motor turning a hydraulic pump. This pump sends fluid through a control system and then outside to a hydraulic motor. I use an extremely small amount of hydraulic fluid for a 6.7Hp system. It is cooled outside in ambient water temperature. I also run positive pressure on my hydraulics which prevents cavitation of the hydraulic pump, about 45 PSI or so.

Gary Boucher

At 08:38 AM 10/1/2004 -0700, you wrote:
Hi, I have a question for Gary Boucher if he is listening! On your sub "Vindicator" I was wondering what RPM your propeller motor runs at? I can't remember if you go direct electric propeller or if you said that it is a hydrolic motor? Thanks

Brian Cox




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