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09-20-2007, 05:03 PM
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#1
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Senior Member
Newmar Owners Club Ford Super Duty Owner
Join Date: Jul 2007
Location: Cave Springs, AR
Posts: 217
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I have a busy motorhome that serves as a shower house for a group of dirt bike enthusiasts and find myself short of water each weekend. So I have a choice of adding a secondary water tank to my enclosed trailer (pulled behind the MH) or adding a second tank to the MH (which I would prefer). Has anyone added one to a MH that could provide some insight or concerns? Is there an advantage to pulling the extra water in a trailer versus adding it to the weight of the MH? Also, if anyone could recommend a tank supplier I would appreciate that as well.
Thanks.
__________________
Greg & Jane
'19 Newmar Canyon Star 3911 F53 #26K
'17 Lincoln MKZ towed by BlueOx
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09-20-2007, 05:03 PM
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#2
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Senior Member
Newmar Owners Club Ford Super Duty Owner
Join Date: Jul 2007
Location: Cave Springs, AR
Posts: 217
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I have a busy motorhome that serves as a shower house for a group of dirt bike enthusiasts and find myself short of water each weekend. So I have a choice of adding a secondary water tank to my enclosed trailer (pulled behind the MH) or adding a second tank to the MH (which I would prefer). Has anyone added one to a MH that could provide some insight or concerns? Is there an advantage to pulling the extra water in a trailer versus adding it to the weight of the MH? Also, if anyone could recommend a tank supplier I would appreciate that as well.
Thanks.
__________________
Greg & Jane
'19 Newmar Canyon Star 3911 F53 #26K
'17 Lincoln MKZ towed by BlueOx
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09-20-2007, 05:34 PM
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#3
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Moderator Emeritus
Ford Super Duty Owner
Join Date: Aug 2000
Location: Bryan, TX when not traveling.
Posts: 22,942
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Two things to consider.
Water weighs 8.34 #/gallon. Can you handle the extra weight within limits on the Motorhome chassis.
Next is if you have the extra fresh water, what are you going to do for gray water capacity? Can't dump it on the ground legally in most areas.
Ken
__________________
Amateur Radio Operator (KE5DFR)|No Longer Full-Time! - 2023 Cougar 22MLS toted by 2022 F150, 3.5L EcoBoost Tow Max FX4 Lariat Travel with one Standard Schnauzer and one small Timneh African Gray Parrot, retired mechanical engineer
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09-20-2007, 05:43 PM
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#4
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Senior Member
Winnebago Owners Club Pond Piggies Club Appalachian Campers Mid Atlantic Campers
Join Date: Dec 2002
Location: Sarver, PA/Crystal River, FL/Shelocta, PA
Posts: 4,671
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by TXiceman:
Next is if you have the extra fresh water, what are you going to do for gray water capacity? Can't dump it on the ground legally in most areas.
Ken </div></BLOCKQUOTE>
I've often thought if the outside shower is used, where does the water go???
-Tom
__________________
Sarver, PA/Crystal River, FL/Shelocta, PA · FMCA 335149 · W3TLN 2005 Suncruiser 38R · W24, no chassis mods needed · 2013 Honda Accord EX-L · 2008 Honda Odyssey EX-L
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09-21-2007, 04:29 PM
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#5
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Senior Member
Join Date: Nov 2005
Posts: 4,063
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Tom N:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by TXiceman:
Next is if you have the extra fresh water, what are you going to do for gray water capacity? Can't dump it on the ground legally in most areas.
Ken </div></BLOCKQUOTE>
I've often thought if the outside shower is used, where does the water go???
-Tom </div></BLOCKQUOTE>
Tom,
I have thought about that too however it is not the same as dumping 50 to 100 gallons in a few moments after it has been stewing in a puetrifiying holding tank for a day or so.
At home you can wash your car but your clothes washer draining on the ground is potentially unlawfull in most areas also.
__________________
Neil V
2001 Winnebago Adventurer WFG35U
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09-22-2007, 04:24 AM
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#6
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Senior Member
Newmar Owners Club Ford Super Duty Owner
Join Date: Jul 2007
Location: Cave Springs, AR
Posts: 217
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Thanks. These are good points.
An extra 40 gallon tank when filled will add 400 pounds to the MH and I am still below cargo capacity. As to grey water storage, when it fills, outside showers are better than none, and the driver always gets the shower first.
That being the case, I am still wrestling with whether to install the tank on the trailer (beneath the floor and above the axels) or on the MH (under the queen, which may be slightly behind the rear axel).
Aside from weight and grey water storage, are there any other concerns? Has anyone done this? And, is there a better place on the MH that I should consider?
Thanks.
__________________
Greg & Jane
'19 Newmar Canyon Star 3911 F53 #26K
'17 Lincoln MKZ towed by BlueOx
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09-22-2007, 06:39 AM
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#7
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Senior Member
Join Date: Dec 2001
Location: Box Elder, SD
Posts: 459
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I'd be pretty leary about putting 400 lbs aft of the rear axle. Might take too much weight off your steering axle.
If it were mine, I would forgo the MH Mod's. If it were mine I would setup a tank in the trailer with an aux pump to just fill the MH tank. Placement in the trailer will also be key, you don't want too much weight on the hitch, but enough to make it pull well.
My opinion...
John
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09-22-2007, 05:38 PM
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#8
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Senior Member
Ford Super Duty Owner
Join Date: Dec 2005
Location: Buxton, North Dakota
Posts: 3,940
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Put the water tank in the trailer with a pump and get a blue tote to dump your gray water in and carry it in or on the trailer.
__________________
2003 Winnebago Adventurer 38G F53/ V10 605 watts of Solar
1999 Winnebago Brave 35C F53V10 Handicap Equipped
1999 Jeep Cherokee, 1991 Jeep Wrangler Renegade and 2018 Chevrolet Equinox Diesel
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09-25-2007, 02:49 PM
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#9
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Senior Member
Join Date: Aug 2001
Location: North America somewhere
Posts: 30,593
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water tanks and accessories may be useful. A tank size calculator may be useful in your venture also.
__________________
2000 Winnebago Ultimate Freedom USQ40JD , ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA. " My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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09-25-2007, 05:12 PM
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#10
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Senior Member
Newmar Owners Club Ford Super Duty Owner
Join Date: Jul 2007
Location: Cave Springs, AR
Posts: 217
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Thanks for all the replies. I have concluded that is was much more practical to put the water tank under the cargo trailer, not the MH. I found a tank manufacturer that is making one 60X22X7 that will hold 33 gals. It will fit perfectly between and above the axels. This gives me a little more usefulness out of the trailer when not behind the MH as well.
Three weeks to make it and ship it to me.
Thanks for your help.
__________________
Greg & Jane
'19 Newmar Canyon Star 3911 F53 #26K
'17 Lincoln MKZ towed by BlueOx
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09-28-2007, 11:23 PM
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#11
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Senior Member
Join Date: Jan 2006
Location: Toronto ON
Posts: 109
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Hi,
I added a second 50 gallon fresh water tank to my 5th wheel when I had it. I installed it in the rear of the unit. It installed nicely with 1/4 X 1 1/2" angle iron across the width. My original factory installed tank was sheltered/insulated from the elements. My auxiliary tank wasn't. I rarely ever drove with it filled. I would usually fill it once I would get to my destination. When the factory tank would empty, all I needed to do was pull the handle on a 3 way valve. We would use water sparingly and could get about 1 week for a family of 4 (2 adults 2 children). Hard to economize water with children. Showers were rarely taken as they use up too much water.
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11-05-2007, 04:04 PM
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#12
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Senior Member
National RV Owners Club
Join Date: Feb 2004
Location: Fulltiming Around the USA
Posts: 110
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We use a swamp cooler when out in the dry states in the summer, so I'm planning to add a 50 gallon tank to our MH before we head west again next spring.
Since it will weigh about 400 pounds we'll need to carefully remove everything not needed from the RV and leave it in our small storage unit in Tampa. I'm fairly sure we can keep the weight to an acceptable tonage
I like the 48 gallon laydown tank in the link Ray provided.
Mac
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Mac & Chris McClellan www.MacAndChris.com
2001 National Islander, 330 Cummins
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