never monday
New Member
Put this in and call it done
http://westerbeke.com/brochures/GASGEN, 3.0BPMG.pdf
http://westerbeke.com/brochures/GASGEN, 3.0BPMG.pdf
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Just a tip; during the couple of minutes when your wife is using the hair dryer I would have the engine running that is connected to the house batteries. I can’t remember right now if the house battery charges off the starboard or port engine. Maybe someone else here remembers.
You ask a complicated question. If you change your cranking battery to a deep cycle you might not have enough cold cranking amps to turn over your engine. Cranking batteries have immmediate bursts of big amps. Deep cycles have long reserves of low amps. .
The boat is in the showroom, so I can crawl around the bilge and learn where everything is. In '08, I'm replacing the house deep cycle with 2 6V golf cart batteries. The cranking batteries will be isolated from the house bank with the battery switches, so they will never be run down. Under way, I'll charge the house bank by switching to "both." On the hook, I'll swithc to "2." With the reserve I'll have, the house bank will not likely be exhausted overnight by running the DVD, stereo, lights, etc. I'll use the cooler instead of the fridge. No need for a big inverter and 4 more batteries. You all helped me sort this out.
Thanks, I plan to keep one cranking and change the other cranking to 2 deep cycle. BTW... you give complicated answers as well:smt101
Two things:
#1) It sounds like you plan to ‘switch’ the battery switch after you have the engines running. Be warned. With the engine running if you get all contacts off, meaning there is no battery connected to the alternator for even a fraction of a second your alternator will need replacement. Do not go past “none” on the 1, 2, both, none battery selector switch.
#2) With out Air conditioning, the dedicated house battery will have enough power. What group is the house battery now? I cant imagine a single group 31 battery would not have enough power for one night of TV/DVD, anchor lights, refrigerator, miscellaneous lights, etc.
Common battery size codes (ratings are approximate)
U1 34 to 40 Amp hours 12 volts
Group 24 70-85 Amp hours 12 volts
Group 27 85-105 Amp hours 12 volts
Group 31 95-125 Amp hours 12 volts
4-D 180-215 Amp hours 12 volts
8-D 225-255 Amp hours 12 volts
Golf cart & T-105 180 to 220 Amp hours 6 volts
L-16 340 to 415 Amp hours 6 volts
I vote for shaving your wife...
Put this in and call it done
http://westerbeke.com/brochures/GASGEN, 3.0BPMG.pdf
What's the average charge for parts and labor on the install?That is what we do in Texas.
Gen and A/C are a must down here.
We have installed them in twenty five footers and performance boats!