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Open Roads Forum  >  Tech Issues

 > Running Air Conditioner Via Inverter while Towing/Driving

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JaxDad

Greater Toronto Area

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Posted: 07/09/19 02:32pm Link  |  Quote  |  Print  |  Notify Moderator

dougrainer wrote:

Here is a fun fact. The FIRST Major Lawsuit against the Pinto was filed by the Elkhart County District Attorney back in the 70's. He alleged Ford was liable because 3 young girls died in a rear end FIRE when a motorist rear ended their Pinto on a hi way. YES, Elkhart, Indiana where the majority of RV's are made. Elkhart won.


Here's an even more fun fact, that's wrong.

The trial was Winimac, IN, 75 miles away from Elkhart and it was NOT the first lawsuit it was the first attempt to find Ford corporately criminally guilty of reckless homicide, after a 10 week trial the Ford Motor Company was exonerated after 4 days of jury deliberations.

Probably the fact the driver had stopped in the right lane to retrieve the fuel cap that had fallen off after fueling the car up, it was hit by a full-sized van doing 55 mph with a modified front bumper had a lot to do with the whole affair.

They lost because, as stated earlier, the defence showed that when hit by 1972 Chev van (which was what hit the Pinto), many other cars had similar damage as what happened to the Pinto in which the three girls perished. The testing involved the Chevrolet Vega and Impala, American Motors Gremlin, Dodge Colt, and Toyota Corolla.

The first lawsuit was, the one that started the ball rolling was in California, and the FACTS of that case was that the car stalled on entering the freeway and was rear-ended by a larger vehicle doing 35 mph, it had been unable to slow down from highway speed fast enough.

BTW, speaking of fun facts, as stated earlier, over 3 million of them were produced, more than 90% of those were sold AFTER the 'problem' became known.

More fun still? GM had to recall 320,000 of its 1976 and 1977 Chevettes for similar fuel tank modifications because of the same problem.

time2roll

Southern California

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Posted: 07/09/19 05:05pm Link  |  Quote  |  Print  |  Notify Moderator

Where we talking about air conditioning?


2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
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houstonstroker

Houston, TX

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Posted: 07/10/19 08:56am Link  |  Quote  |  Print  |  Notify Moderator

I believe that the Renegade brand of Class C Super C has a dedicated Inverter to power the front coach air conditioner while going down the road. I'm not sure how many batteries the Renegade has. I'm assuming a bigger capacitor or the soft start module to help with start up.

Advantages of not running big diesel Onan. Obviously the power has to come from somewhere. If it has the same Cummins as my super C, then it has a 270 amp alternator to charge the batteries.


2016 Dynamax Force HD Super C

prstlk

Post Falls ID

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Posted: 07/10/19 04:53pm Link  |  Quote  |  Print  |  Notify Moderator

IMHO, A method with a reasonable cost and ease of install follows. Have a fabricator build a shelf on the back of the rv. If has a rear bumper that can be modified as well if you concerned about a rear end collision mount it high. You can also fabricate a shelf that rides above the tanks on the front of the trailer frame. A Honda 3000 weighs 134 lbs, dry. A good shop can build a unit to that easily would support 175 to 200 lbs. Run a 30 amp cord to the regular power port on the RV. The Honda has a remote start as an option. Set your RV A/C to and start the gennie as needed. The 3000 does not immediately send power when started, as there is lag for gen to come up to speed. Should be able to get this done for under 3k and you now have a power source when dry camping.


2007 Keystone Challenger 5th wheel, Ford F350 Super Duty 6.7L Diesel, Short Bed, 2 dogs and the cat and rolling down the road full time since May 2014


furballs

Washington state

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Posted: 07/10/19 08:42pm Link  |  Quote  |  Print  |  Notify Moderator

I use a system that works for us. Because I use a pickup, my exact setup would not work for the OP, but perhaps just knowing it can be done and how, you may get some ideas. I use a Victron inverter/charger and 6 Lifeline 6 volt batteries in series/parallel. Single aught gauge interconnections. Double aught cables to/from inverter from the batts. The Victron has some pretty nifty features that allow you to charge and run AC with lower wattage shore feeds. I blew 300 amp fuses multiple times testing the system on AC so there are very high currents involved here. I never tried to run the AC all day. I envisaged being able running the AC at noon rest stops. During testing i could run the AC for 55 minutes on low fan. The inverter/charger will put around 60 amps (depending on temps) to the batteries with a 30 amp shore line. I have a '17 truck with dual alts. I have obtained a supply of 0 gauge cable and intend to interface the batts with the truck's system. There hasn't been much urgency because we typically camp at no service campgrounds and such for 2 or three days. The batts will run the micro, cat warmers, electric blanket, TV, etc for two days. If we will be staying longer, we bring twin connected Hondas and slam the batteries as hard as possible. Lifelines were chosen because they have nearly unlimited charge and dischargw rates. The batts and inverter fit in a aluminum in bed tool box. Your results may vary.

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