FYI - Using the size of the alternator itself is an exceedingly bad way to control damage to batteries. At best, it results in a very stressed alternator. Much much better is a proper regulator with temperature sensors on the battery and alternator. It is entirely possible to charge a tiny battery you can hold in one hand with a 500 amp alternator with no risk of damage to the battery. Joe Coquina
From: CnC-List [mailto:[email protected]] On Behalf Of Marek Dziedzic via CnC-List Sent: Wednesday, September 13, 2017 7:57 AM To: Rick Taillieu via CnC-List <[email protected]> Cc: Marek Dziedzic <[email protected]> Subject: Re: Stus-List Alternator Belts I thought I would include these links as some interesting reading on the topic: http://www.pbase.com/mainecruising/automotive_alternators_vs_deep_cycle_batteries http://www.pbase.com/mainecruising/alternator_conversion http://www.pbase.com/mainecruising/electromaax_kit I think it is worth reading. Marek Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10 From: Rick Taillieu via CnC-List<mailto:[email protected]> Sent: Tuesday, September 12, 2017 22:34 To: [email protected]<mailto:[email protected]> Cc: Rick Taillieu<mailto:[email protected]> Subject: Re: Stus-List Alternator Belts Because a 120 amp alternator working at ½ max output will last a lot longer than a 60 amp alternator working at full output. Rick Taillieu boatless Cedar Island Yacht Club Kingsville, Ontario From: CnC-List [mailto:[email protected]] On Behalf Of Persuasion37 via CnC-List Sent: September-12-17 21:27 To: [email protected]<mailto:[email protected]> Cc: Persuasion37 Subject: Re: Stus-List Alternator Belts Wow! What am I doing with a 120 amp alternator? Mike PERSUASION C&C 37 K/CB Long Sault On Sep 12, 2017, at 9:06 PM, Josh Muckley via CnC-List <[email protected]<mailto:[email protected]>> wrote: The alternator should be limited to the changing capabilities of the batteries. Standard lead-acid would be 20 - 25% of capacity. So a 100Ah battery should not be charged at a rate greater than 25 amps. I have a 400 Ah bank and a 200 Ah bank. My 90amp Balmar alternator could exceed the rate for my smaller bank so an ACR, Echo-charge, or reducing the alternator output would be prudent. I'm guessing that with 3 batteries you are probably close to 300Ah and somewhere around 60 to 75amps is the absolute most you would want coming from your alternator. Leaving it set to 60% is probably just right. Josh Muckley S/V Sea Hawk 1989 C&C 37+ Solomons, MD On Mon, Sep 11, 2017, 10:36 PM coltrek via CnC-List <[email protected]<mailto:[email protected]>> wrote: That happened to me three times in a row this summer, on a 6 day cruise /race. I went through three belts. I had just installed Three brand new Deep Cycle batteries. I called the Balmar tech line, and the fellow there kind of walked me through setting the regulator down to only charging at 60% instead of 95%. I don't know why it started to do it in the first place, but I think that it might have had something to do with my heart interface 2000 acting up. Anyways, after the trip, I reset the heart 2000 back to factory defaults, and it started working properly again. I'm not sure if I should ramp my regulator back up to a higher charging level or not. One thing I did after that, is I bought a Balmar regulator temperature sensor. I think it cuts the charging back and the load if it gets too hot. Bill Coleman C & C 39 -------- Original message -------- From: ALAN BERGEN via CnC-List <[email protected]<mailto:[email protected]>> Date: 9/11/17 22:15 (GMT-05:00) To: C&C <[email protected]<mailto:[email protected]>> Cc: ALAN BERGEN <[email protected]<mailto:[email protected]>> Subject: Re: Stus-List Deal on starter from Mastry I have to push the starter button several times before the starter turns the engine over. I thought it was the starter button. I'd better check that out before I get into trouble, and cant start the engine in an emergency. Speaking of an emergency, after finishing a race, yesterday, we dropped the chute and started the engine, as we approached a railroad bridge. We suddenly smelled smoke, and when we opened the cockpit hatch, smoke poured out. After closer inspection of the engine, we discovered the alternator belt had been slipping, It got hot, melted and got stuck to the engine pulley. Luckily I had an extra belt on board, and a half hour later the repair was completed. Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR On Mon, Sep 11, 2017 at 6:53 PM, Dan Grant via CnC-List <[email protected]<mailto:[email protected]>> wrote: I have a universal M 18 that I have to push the starter A few times to get it going it always works but I fear someday it won't I looked into getting a new starter and my parts guy said congratulations you have the most expensive starter I've seen $1000 I can get a new Kubota starter which would work fine for about 100 Very confusing I looked it up and there is something about running A stronger wire to the starter Maybe that's the problem? I'd like to know myself Dan 1970 Cv hull 148 Ipswich Sent from my iPhone On Sep 11, 2017, at 5:16 PM, Francois Rivard via CnC-List <[email protected]<mailto:[email protected]>> wrote: Mastry (www.mastry.com<https://urldefense.proofpoint.com/v2/url?u=http-3A__www.mastry.com&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=SGrZZ_M01hbwr7besw5UXJCtj2WtZJtybSOomm4IR7w&s=_OEKXpYAlh8nO3LIUkWQ-oN0vUlnKr3H3wi0SQSREFY&e=>) does it again! I just replaced the starter on Take Five this weekend and got a sweet deal on a re-man Hitachi unit: US $128.44 + shipping. Mastry's the best! They always have the best price, they even beat eBay and the shipping is super fast. That's for a real deal Yanmar / Hitachi unit confirmed to fit using my 3gm30F's serial number. Also the starter comes with a 18 months warranty, way better than the Yanmar 6 mos new parts warranty. The problem on my old starter? I suspect there was a bad winding. It would sometimes take 2-3 button pushes to get it going. -Francois 1990 34+ "Take Five" Lake Lanier, GA _______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray<https://urldefense.proofpoint.com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwMFaQ&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=SGrZZ_M01hbwr7besw5UXJCtj2WtZJtybSOomm4IR7w&s=9mItIVeR4b5RVurRijjLdqAqU4omH4HMZbMyHcVcpBs&e=> All Contributions are greatly appreciated! _______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://urldefense.proofpoint.com/v2/url?u=https-3A__www.paypal.me_stumurray&d=DwICAg&c=clK7kQUTWtAVEOVIgvi0NU5BOUHhpN0H8p7CSfnc_gI&r=9w3G7Cf8YfQnrjmtuNxwDJYr3JMv9f1pAfgAJ9xXYQQ&m=SGrZZ_M01hbwr7besw5UXJCtj2WtZJtybSOomm4IR7w&s=9mItIVeR4b5RVurRijjLdqAqU4omH4HMZbMyHcVcpBs&e= All Contributions are greatly appreciated! -- Alan Bergen 35 Mk III Thirsty Rose City YC Portland, OR _______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated! _______________________________________________ This list is supported by the generous donations of our members. If you wish to make a contribution to offset our costs, please go to: https://www.paypal.me/stumurray All Contributions are greatly appreciated! 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