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 > Your search for posts made by 'smkettner' found 2580 matches.

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RE: Battery Meltdown!

Here is some general reading on batteries. The 12 Volt Side of Life Worst case it will help you get to sleep.
smkettner 10/30/14 10:08pm Class A Motorhomes
RE: Cold weather camping.

www.ultraheat.com
smkettner 10/30/14 09:25pm Class C Motorhomes
RE: WA-OR-CA - Hwy 101 or I-5 in winter?

If you are in a hurry then 5. If you can take your time then 101. If you take 5 carry chains for the drive axle and one trailer axle. But wait out any snow to avoid using them.
smkettner 10/30/14 07:54pm Roads and Routes
RE: 3500W Inverter Generator for $699

In the right circumstances that generator should serve you well. Just don't run it 24/7 mixed in with the tent campers etc.
smkettner 10/30/14 07:48pm Tech Issues
RE: Measuring V loss during charging

Leave a light on tonight and let the battery run down a bit.
smkettner 10/30/14 04:46pm Tech Issues
RE: Keeping Things Cold on the Road

I refuse to stoop to the level of the poster who took me to task and therefore won't give him the satisfaction of a reply although I am very tempted to take a picture of the section under "General Safety Information" and send it to him jack lI believe you. I would still like to read the full text. My RV came with no such manual, just a booklet of appliance manuals.
smkettner 10/30/14 09:21am Travel Trailers
RE: Hughes RV220-50 really working?

I think it should boost 2% in all conditions and 10% as input approaches 112 volts. The legs are independent. Test with at least 100w load and use a true RMS meter. Yes the boost seems to come in late(L1) or not at all(L2).
smkettner 10/30/14 09:15am Tech Issues
RE: Low Voltage on 50A - A First

Wait until it happens three times then buy a PowerMaster.
smkettner 10/30/14 09:00am Tech Issues
RE: battery maintainer

Can't be that simple.... Get a four bank six volt charger :B http://www.batterystuff.com/images/products/717x_g4_noco_4_bank_battery_charger_md.jpg width=300
smkettner 10/29/14 09:48pm Tech Issues
RE: How do you switch between holding tanks.

So connect the water and run the tub and see what fills. Run the kitchen see what fills. If you start with some beer you should be using the toilet by now and see what moves. Bath sink same thing. Any other fixtures? Do the same. Now drain the tanks using the two levers and see if all is empty.
smkettner 10/29/14 09:42pm Travel Trailers
RE: Keeping Things Cold on the Road

Fridge will stay cold indefinitely while driving because it automatically switches to propane when you unplug. Fridge is specifically designed to run while you drive.
smkettner 10/29/14 04:31pm Travel Trailers
RE: Measuring V loss during charging

So in my example, some part of the resistance is coming from the battery, right? Battery resistance is a bit more difficult. You have two items to consider. The voltage potential pushing back and the actual resistance. Often considered together and battery resistance is said to increase as the battery charges and the amps taper. Actually the resistance is dropping but the voltage potential is increasing. Eventually the voltage potential of the battery will equal the supply and the current virtually stops. However the battery resistance is actually fairly low. It takes fairly sophisticated equipment to measure actual battery resistance. Basically pure water is not a good conductor (dead battery) where a charged battery with lots of sulfite ions in solution is a much better conductor. Similar to adding salt to water will reduce the resistance. If there was no wiring resistance, would the charger and battery terminals read the same voltage, whatever it may be?Yes. Although I believe you would need some kind of superconductor to truly be zero resistance. Short fat conductor will be a large improvement.
smkettner 10/29/14 03:02pm Tech Issues
RE: Measuring V loss during charging

A while ago, at 9 amps, the converter was 13.62 and battery was 13.34. Or was it 13.43. damm I shoulda written that down. Again E=I*R I=9 R=0.036 So E= .324 13.62 - .324 = 13.3 You memory is good at 13.34 The small difference is due to rounding, instrumentation variance and general conditions. Ohm's Law itself is exactly precise.
smkettner 10/29/14 02:47pm Tech Issues
RE: What gauge wire?

#10 if fine, or kill it with #8.
smkettner 10/29/14 12:17pm Tech Issues
RE: Measuring V loss during charging

13.60 less 13.06 is 0.54 voltage drop. That is a lot for 15 amps. V=IR or .54 = 15 *R; R = .036 ohms. More realistic is 50 amps. 50 * .036 = 1.8 volt drop with proper voltage to get 50 amps charging. So virtually no converter at 14.4v will supply 50 amps due to the resistance. Need to reduce resistance to get faster charging. Charging at just 13.6 volts is a disaster
smkettner 10/29/14 12:12pm Tech Issues
RE: Where to stay in San Francisco?

San Francisco RV Resort+1
smkettner 10/29/14 11:41am RV Parks, Campgrounds and Attractions
RE: Lee Vining (Yosemite) to Death Valley in a 42'MH with tow

Lone Pine is a long drive into DV for a day due to grades, curves and distance. Consider Panamint Springs RV park or from the other side (6E, 95S, 374) to Beatty. Pretty sure there is at least one RV park in Beatty and this would be my preference if not taking the MH into the park. Since you have a Jeep go ahead and take the full Titus canyon road as a day trip. One of my favorite drives.
smkettner 10/29/14 10:19am Roads and Routes
RE: Grid Tie Inverters with Generator

No typically you cannot use a battery to drive a grid tie inverter. Also the grid tie is designed to produce continuously and may drop out if your grid does not absorb all the energy produced. I recommend a Victron Multiplus inverter that is designed to combine battery power with generator or utility power.
smkettner 10/29/14 09:18am Tech Issues
RE: Replacing a 55 amp converter with a 45?

I just realized something that might be significant to my decision. My new trailer has 12 volt heating pads on the holding tanks. I have 2 gray tanks, and of course a black tank. I have no practical experience with that aspect of the 12 volt side of life, but the spec sheets for those pads show an amperage draw of 9.9A for a small one. If there were three heating it would be a 30 amp draw. That could be a game changer as far as boondocking goes. A bigger battery bank and a bigger converter to charge the bigger battery bank might be prudent. Even hooked to shore power, a 30 amp draw for a 45 amp converter is not a good thing. The trailer also heats the tanks by blowing a portion of the furnace heat to the holding tank areas. The dealer indicated the best use for tank heaters are when you are going down the road, when the furnace should be off. Like I said, I have no experience with tank heaters or the philosophy of use of the tank heaters. I don't plan of using my trailer in weather that cold, but you never know what you may unexpectedly encounter. Thoughts?I think if you are camped at temperatures where the tank heaters are needed you will be plugged in or running the generator 24/7. Either way the 45 amp PD will be fine with the 30 amp heaters that should cycle some. With continuous power the battery will stay topped up.
smkettner 10/29/14 09:14am Tech Issues
RE: what size genny????

Class A with no on board generator? How did that happen... Anyway you are looking at 3000 to 4000 watts to operate in most conditions. I recommend two Honda 2000, parallel kit and extended run fuel tank if you need air all night. Not sure how to keep $2300 from walking away at a truck stop. If you want to go high tech you could mate a Victron inverter to combine power with a single Honda 2000.
smkettner 10/28/14 11:10pm Class A Motorhomes
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