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Old 06-10-2013, 01:09 PM   #15
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The 'prepper' in me keeps the water tank full at all times, just in case. I also never let the fuel tank go below 1/2. EVER. If I couldn't travel with my water tank full, I'd just take the car.

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Old 06-10-2013, 09:33 PM   #16
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We always have a full tank. We have had our TT for 15 years with no problem due to the water.


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Old 06-16-2013, 01:32 PM   #17
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We travel with water in the tank - usually full unless we've been off the grid for a few days in which case the fresh water becomes gray water and "you know what" water. Regardless, traveling with fresh water full gives you options - stopovers at Walmart, etc. camping in remote spots, campgrounds with foul tasting water, etc.

No problems traveling with full water in the tanks. Our Airstream already has a low center of gravity and traveling with the fresh water tank full improves the CG. I haven't taken time to determine if the MPG goes down or if the stopping distance increases.
Lucius & Danielle
1992 - 29' Airstream Classic
1996 GMC Suburban 7.4L, C2500; 2005 Chevrolet Suburban 8.1L, K2500
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Old 06-16-2013, 01:37 PM   #18
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I only travel with enough water in my holding tank to provide a couple of days worth of water "just in case". If I knew I was going to be away from a water source for several days, I probably would put more in, but no more than I thought I would need.

2013 Phaeton 40QBH
Freightliner Chassis/Cummins ISC 380HP
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Old 06-16-2013, 06:52 PM   #19
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Have recently started carrying water in the coach, most of the time I am near water. Have always worried about the weight but after traveling with the tank full I can see no difference. Makes sense to carry water now.

2004 Trail Cruizer 5er
2011 F150 ecoboost 4x4 long bed
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Old 06-26-2013, 06:38 PM   #20
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I have discovered that my rig tows better with a full load of water. I am carrying close to 2K in the garage with the Mule and Weber grill. The water seems to balance the load better.
Scotty and Kristen, Airedales Dagny and Wyatt
2007 Newmar Mountain Aire 4528, 450 HP ISM, Allison 4000, 8 Trojan T-105's
2014 F150 4x4 Crew Cab Platinum 157" WB
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Old 06-26-2013, 08:51 PM   #21
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Although we're Class A folks, I thought I would comment. We've run into so many CGs where the city water is so really skanky that it's been a problem. Since our home city water system ranks in the top five nationwide for quality, we've decided to leave home with the tank full.

We hook up to CG water, but we check it out before using it for drinking/cooking. For showering, washing the pots, using the toilet etc, we use the CG's "city" water. It's easy, on our rig, to switch from the CG water supply to our on-board tank.

I figure that, on a 22,000 lb GW rig, 250 lb of water isn't a critical issue.
Frank Damp -Anacortes, WA,(DW- Eileen)
ex-pat Brits (1968) and now ex-RVers, as of 08 Dec 14.
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Old 06-26-2013, 08:57 PM   #22
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We usually carry 1/2 tank unless we're doing laundry, then we fill it up. 2% GCVW doesn't make much difference.
2000 DSDP, 3894,Freightliner,330 Cat, 07 Jeep Commander 4x4toad.
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Old 06-26-2013, 11:29 PM   #23
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We keep the fresh water tank pretty full all the time. The coach also serves as lifeboat, getaway ride, or temp housing should need arise.
Vince and Susan
2011 Tiffin Phaeton 40QTH (Cummins ISC/Freightliner)
Flat towing a modified 2005 Jeep (Rubicon Wrangler)
Previously a 2002 Fleetwood Pace Arrow 37A and a 1995 Safari Trek 2830.
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Old 07-28-2013, 04:05 PM   #24
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With my rig I always have a full tank of water. (40 Gallons from my calculations) I normally tow a 16' trailer with quads and motorcycles (Somewhere around 5000 lbs) I have a short wheelbase so I have to be careful about loading the tongue of the trailer to much.
1990 28' Georgie Boy, 454, 4bbl, Thorley Headers, Recurved Distributor, 8.75 mpg. RVM 76
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Old 07-28-2013, 04:29 PM   #25
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I have towed , 1/2 full, full and Empty, I see about a 1/2 mpg decrease when the tank is full, but I don't see too much other difference. I like the idea of traveling with a full tank just because you never know what kind of water your going to get at the various camp grounds. sometimes in the south you get water with a lot of sulfur in it or the waters too hard or too soft. at least when you carry water with you you know what your getting.
2014 Keystone Fuzion FZ331; 2012 Ford f250 FX4 w\Firestone bags; 2011 Honda VT1300CT Interstate.
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Old 07-28-2013, 07:52 PM   #26
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Always full. I like long hot showers. The 5er I had came with 118 total gallons. My MH only has 73. That's a full black or grey tank difference.
2004 32' National Sea Breeze 1311 Class A on a F-53 Chassis, CHF, TST TPMS, 5Star Tune.
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Old 07-29-2013, 09:52 AM   #27
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AAAH, nothing like a good shower after a day of traveling. We always fill up when we can. The DP engine laughs at 8 lbs per gal X 100 gals = 800 lbs. It hardly notices the Flex tow.
We fill up whenever we have a good water supply just in case we didn't make it as far as we expected and have to make a stop over or the water at the next stop is not to our liking.
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Old 07-30-2013, 08:13 AM   #28
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Travel full -- never use any shower or rest room other than the one I travel with. Might dry camp for a day or two then CG to refill water & dump waste

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