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 > Your search for posts made by 'pianotuna' found 2588 matches.

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  Subject Author Date Posted Forum
RE: Solar Wire Size..??? Fuses on panels...??

A circuit breaker before the controller is a good idea but may not be essential. A fuse at the panels is not a good idea, unless you have mountain goat genes.
pianotuna 09/04/15 12:21pm Tech Issues
RE: "8 D Battery" Anyone ever use one for house batt?

Group 31 agm will be an acid starved battery. It makes it a bit more important to follow charging recommendations to the letter. Temperature compensated charging is a good plan with such a jar. Getting back to 100% promptly is a good thing with all lead acid chemistries but again is just a bit more important with a starved acid configuration.
pianotuna 09/04/15 11:59am Class A Motorhomes
RE: Solar Wire Size..??? Fuses on panels...??

If pwm #10, if mppt #8. Since you have the wire already consider doubling up on #10.
pianotuna 09/04/15 10:06am Tech Issues
RE: OK... full-timers ! question about solar !

Six volt are not inherently better than 12 volt. Any reasonable voltage can be made to work well. Common values are 2, 6, and 12 volt. It depends on your use. If you plan to use a large inverter then 12, 24, or 48 volt systems may have an edge. Care in understanding how to do balanced wiring for 12 volt jars is important. Because most folks are not aware of that, lots of systems based on 12 volt batteries fail prematurely. Folks rarely fully charge their battery banks, or else the opposite happens and they get overcharged. Find out your needs and design the system to fit it. In my case that meant migrating to AGM 12 volt batteries. Many RV's have far too few amp-hours of battery bank. That leads to deep discharges that even golf cart batteries, in spite of their reputation for tolerating abuse, can not survive.
pianotuna 09/03/15 09:03pm Full-time RVing
RE: Wiring question help please

Better to use the spade connectors.
pianotuna 09/03/15 06:58pm Tech Issues
RE: What did you do to your Class C MH today???

Repaired the cabinet that houses the microwave--it was pulling away from the ceiling because the wood had split. It was all hanging from one tiny bracket. The screw was too close to the end grain. It would have been fine if they had used plywood.
pianotuna 09/03/15 06:32pm Class C Motorhomes
RE: House batteries to use with large inverter

What do you plan to reheat? If your times are 5 minutes and under a small battery bank can do the deed. If on the other hand you wish to reheat a frozen meat loaf (precooked) that takes 20 to 30 minutes, then you are going to need a pretty massive bank. Order of preference for running large loads for long periods of time: AGM 12 volt AGM 6 volt Flooded 12 volt marine Flooded 12 volt deep cycle Flooded 6 volt golf cart type. Remember--every 10 amps you take out of the bank has to be replaced by 11. My microwave is 1591 watts so it draws 160 amps. In theory I could run it from my medium size battery bank for about 30 minutes and only use up 20%. About 112 amp-hours. That's about two days of solar harvest for me under ideal conditions.
pianotuna 09/02/15 09:03pm Tech Issues
RE: Crockpot cooking while travelling

I have been crock potting for 15 years as I trundled down the road. You do have to set up properly and safely. I'm in a class C which makes it easier.
pianotuna 09/02/15 08:07pm Camp Cooks and Connoisseurs
RE: Battery voltage checking

You are right smk. I'm hoping it is not a cigarette lighter type connection.
pianotuna 09/01/15 10:33pm Tech Issues
RE: Battery voltage checking

Beef up the cable to that unit if you can. #10 wire would be good. Hook it up directly to the battery. I just ordered one of these today - VoltMinder with alarm... http://www.voltminder.com/Latis-01%2072dpi-cropped.jpg VoltMinder
pianotuna 09/01/15 09:08pm Tech Issues
RE: Battery voltage checking

Hi, Yes, it is definitely an Art. The very best of the gauges is a smartgauge but they do NOT come cheap. So.... It's almost as if it's as much art as science. Thanks,Mike
pianotuna 09/01/15 09:08pm Tech Issues
RE: Failed to consider the size of the Portable Dump tank..

send it back. If you filled it the total weight is going to approach 400 lbs.
pianotuna 09/01/15 08:12pm Travel Trailers
RE: Requiem for an inverter

Hi, I would consider Victron as well as Magnum. Best price on the Magnum line is Imarine.
pianotuna 09/01/15 07:44pm Class A Motorhomes
RE: Fridge Boiler temperatures

Thanks Ivylog. I'm seeing 182 C on the boiler. I feel much better having the ARP working for me.
pianotuna 09/01/15 07:11pm Tech Issues
RE: Water hose repairs and shipping parts to Canada

Hi Did you add a tank or do an air filled T to get rid of the hammering?
pianotuna 09/01/15 05:58pm Do It Yourself Modifications and Upgrades (DIY)
RE: Fridge Boiler temperatures

I also wonder about the temperature differential between the boiler and the asborber.
pianotuna 09/01/15 05:52pm Tech Issues
Fridge Boiler temperatures

Hi, I have a Dometic absorption fridge to which I have added the ARP device version 2. This allows me to check the boiler temperature--but I have no idea what is a good number. It also allows me to check the temperature of the top tube of the absorber. Any one have some good numbers to share?
pianotuna 09/01/15 04:13pm Tech Issues
RE: hardwire an inverter?

My microwave draws 1591 watts. That represents a load of 160 amps to the battery bank. A puekert calculation suggests that six minutes of use would consume about 40 amp-hours from a bank that is 200 amp-hours. Twin AGM batteries would be able to handle the load but you would have only 30% of the usable power left for the rest of the day.
pianotuna 08/31/15 10:21pm Travel Trailers
RE: battery charging voltage

Hi Mex, I set it at 13.8 volts.
pianotuna 08/31/15 10:06pm Tech Issues
RE: What did you do to your Class C MH today???

Replaced the male plug on my shore power cord with one of the small yellow ones with a handle to pull on.
pianotuna 08/31/15 09:46pm Class C Motorhomes
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