200w solar insulation. https://drive.google.com/folderview?id=0B8pEh5lnvP1yLXU5RzRyWjZXTDA
On Mon, Feb 12, 2018, 8:14 PM Bruce Whitmore via CnC-List < cnc-list@cnc-list.com> wrote: > Hi Josh, > > Just curious, what batteries do you have in your bank, and where are they > mounted? > > Am I right to presume that having more charge capacity would result in > shorter battery life? > > Just trying to size my eventual solar panel purchase. > > Thanks! > > Bruce Whitmore > > (847) 404-5092 (mobile) > bwhitm...@sbcglobal.net > > > ------------------------------ > *From:* Josh Muckley via CnC-List <cnc-list@cnc-list.com> > *To:* cnc-list@cnc-list.com > *Cc:* Josh Muckley <muckl...@gmail.com> > *Sent:* Monday, February 12, 2018 2:34 PM > > *Subject:* Re: Stus-List Portable generator question > > Much of your problem is a matter of battery capacity as much as a matter > of charging capacity. I have ~450 Ah of capacity on one bank, a 90 Amp > alternator that never reaches full load, and 200 watts of solar. Even > without the solar I was able to comfortably keep the the fridge running and > the lights on when cruising for ~2 weeks. The half hour to hour of engine > operation to anchor or moore in the evening and the same in the morning was > always enough to keep the batteries charged. > > Keep in mind that the battery capacity should be at least 4x of the charge > capacity for flooded lead acid and at least 2x for AGM. So a 400 Ah or 200 > Ah respectively for a 100 amp alternator. > > Josh Muckley > S/V Sea Hawk > 1989 C&C 37+ > Solomons, MD > > > > On Mon, Feb 12, 2018, 12:55 PM Damian Greene via CnC-List < > cnc-list@cnc-list.com> wrote: > > A question for your collective wisdom: > > I am scoping out upgrading my stock 55A alternator to a 100A Balmar, and > related upgrades to the controls. I had a very productive discussion with > Rod Collins at Compass Marine (mainesail), and we worked out the details. > Unfortunately he's booked out through the spring, so this job will wait > until next winter. > > So thinking then about keeping the batteries charged, and the fridge > running on our long summer cruise - where we may go for weeks without > access to shore power, I got wondering about using a portable generator to > charge the batteries - as an alternative to many hours of running the > diesel. There are a couple of Hondas that might do the trick 2000 Watt, > weighing 47#, 1000 Watt weighing 29#. > > Have any of you tried this? What could (would) go wrong if I plugged this > generator into my inverter, to charge the batteries? > > Regards, > > Damian > > 1986 Sabre 38 Freefall > Previously 1984 C&C 34 Ghost > Bass Harbor, Maine > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > > > > _______________________________________________ > > Thanks everyone for supporting this list with your contributions. Each > and every one is greatly appreciated. If you want to support the list - > use PayPal to send contribution -- https://www.paypal.me/stumurray > >
_______________________________________________ Thanks everyone for supporting this list with your contributions. Each and every one is greatly appreciated. If you want to support the list - use PayPal to send contribution -- https://www.paypal.me/stumurray
