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Old 10-12-2015, 11:19 AM   #1
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Running the Coach AC while driving

I'm taking friends on a trip who'll be riding in the back of van. Can you run the AC unit to cool the rear of the van while driving? We'll be driving through the desert and it will be hot!
thanks!
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Old 10-12-2015, 01:17 PM   #2
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We did this very thing in our old B+ gasser motor home, a Phoenix Cruiser built on a Ford E-450. We ran the on-board generator while driving, which powered the coach's AC unit and helped keep things cooler inside. It burned more fuel overall, of course, but it worked fine.
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Old 10-12-2015, 01:28 PM   #3
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Can you run the AC unit to cool the rear of the van while driving?
Sure you can. Fair warning, though, the late-model Interstates have a propane capacity of about 14 gallons (about 60 pounds) of propane and you will burn about half a gallon per hour while running the generator to run the air conditioner. Plan your propane stops accordingly.
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Old 10-12-2015, 02:42 PM   #4
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Don't be surprised if it gets pretty toasty in the rear even w/ the front A/C on Max Recirc.
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Old 10-12-2015, 08:31 PM   #5
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According to my manual the generator burns 2.25 lbs per hour at full load. My tank holds 61.9 lbs. Does this sound right?

Bob
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Old 10-12-2015, 09:03 PM   #6
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According to my manual the generator burns 2.25 lbs per hour at full load. My tank holds 61.9 lbs. Does this sound right?

Bob
Since the tank holds 14 gallons and a gallon weighs about 4.1 lbs at amb., sounds about right.

I got about two days of travel out of a full tank. About 14 hours.
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Old 10-13-2015, 11:58 AM   #7
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thats one of the reasons we have a GEN. I keep the roof a/c set so when on the road if the dash air dont keep up, I just hit the Gen switch and the a/c roars to life and once cool enough just turn it off.
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Old 10-13-2015, 12:45 PM   #8
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"roars to life" is a very accurate description.

Wished mine work that well that I could shut it off.
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