Commercial galvanic isolators have both capacitors AND diodes. Belt and suspenders.
Joe Della Barba j...@dellabarba.com <mailto:j...@dellabarba.com> Coquina C&C 35 MK I From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Tim Goodyear via CnC-List Sent: Thursday, April 02, 2015 12:25 PM To: Peter Fell; cnc-list@cnc-list.com Subject: Re: Stus-List New Wiring Diagram Draft Would the non fail-safe GI's pass a survey (or insurance claim for electrical injury)? Tim Mojito C&C 35-3 Branford, CT On Apr 2, 2015, at 11:35 AM, Peter Fell via CnC-List <cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> > wrote: And Yandina’s basic GI (not a Failsafe model) is $90 (Defender) or $100 (Yandina direct) ... and it is rated as ignition protected. Optional capacitor available for another $90 (Yandina direct). From: Jake Brodersen via CnC-List <mailto:cnc-list@cnc-list.com> Sent: Thursday, April 02, 2015 2:46 AM To: 'Rick Brass' <mailto:rickbr...@earthlink.net> ; cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> Subject: Re: Stus-List New Wiring Diagram Draft Rick, I built my own GI with instructions and parts from Yandina. It was a quick and easy project, although the installation under the cockpit was a bit of a challenge. Jake Jake Brodersen “Midnight Mistress” C&C 35 Mk-III Hampton VA From: CnC-List [mailto:cnc-list-boun...@cnc-list.com] On Behalf Of Rick Brass via CnC-List Sent: Wednesday, April 01, 2015 9:17 PM To: 'Josh Muckley'; cnc-list@cnc-list.com <mailto:cnc-list@cnc-list.com> Subject: Re: Stus-List New Wiring Diagram Draft Excellent summary, Josh. I recall the breakover voltage as .6 not .7, but the effect is the same. 1.2 or 1.4 volts of breakover from two diodes in series will stop the galvanic current. And for the frugal among us, and I think that covers most all sailors with boats under about 50 feet, the price of a 1000 volt, 50 amp diode at Radio Shack is about $2.99. Add a small project box, some wire, and a couple of stud terminals, and you’ve got a homemade galvanic isolator for about $20-25. Rick Brass Washington, NC _____ _______________________________________________ Email address: CnC-List@cnc-list.com <mailto:CnC-List@cnc-list.com> To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com _______________________________________________ Email address: CnC-List@cnc-list.com <mailto:CnC-List@cnc-list.com> To change your list preferences, including unsubscribing -- go to the bottom of page at: http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com
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