"Jim Lynch" wrote: > To keep this on point I recall hearing a talk about modern > electronics > aboard boats. One of the devices discussed is a bilge pump that > periodically turns on and if the pump senses it isn't pumping water, > it > turns off. I'm sure it's measuring the current draw to determine if > water is flowing. My bilge is designed such that switches are quite > impractical and I'd sure like to find on of those beasts. Before > someone suggests an integrated switch/pump, I've had bad luck with > those > in the past. > > I've googled but I can't seem to find the right combo of search > terms. > > I'm working on designing one of my own based on a microprocessor, a > RTC > and some other parts but I wouldn't mind having a commercial one foe > backup. --------------------------------- As a sailor and a supplier of industrial level measurement instrumentation, my observation is you are chasing your tail.
Unless you are willing to spend $500-$600 for an instrument, you've got a long uphill climb. My solution was panel mount and wire the most obnoxious alarm I could find in parallel with the pump motor. For about $10, found a PanAlarm at an electronics house. Once a day, would turn the pump on and let it run for a minute or so, then let it run longer, if necessary. Total PITA to have to listen to alarm, but got the job done without running the pump excessively. Have fun. Lew _______________________________________________ Liveaboard mailing list [email protected] To adjust your membership settings over the web http://liveaboardonline.com/mailman/listinfo/liveaboard To subscribe send an email to [email protected] To unsubscribe send an email to [email protected] The archives are at http://www.liveaboardonline.com/pipermail/liveaboard/ To search the archives http://www.mail-archive.com/[email protected] The Mailman Users Guide can be found here http://www.gnu.org/software/mailman/mailman-member/index.html
