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Open Roads Forum  >  Beginning RVing

 > Filling large propane tank on the road

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cross21114

Baltimore, MD, USA

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Posted: 02/01/21 01:15pm Link  |  Quote  |  Print  |  Notify Moderator

MrMark52 wrote:

FWIW - We’re in Dallas, and the Tractor Supply’s around here will not fill permanent tanks in a motorhome. I’m not sure any of the, will - YMMV, but I would recommend calling first.

In my area, they will but not all the personnel are qualified to fill horizonal tanks (I think that is the requirement). Agree with the call first.




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MrMark52

North Texas

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Posted: 02/07/21 01:50pm Link  |  Quote  |  Print  |  Notify Moderator

Land Yachters wrote:

OK, update. I did get the tank filled at CG yesterday on our way out. Figured 24 gal tank and gauge showed 41% and needed to get to 85%, so my limited math skills said I needed about 12 gal. +/- or so. In a hurry blocking exit to CG and guy filled it with 17 gal saying I must have been on empty....didn't look at gauge until I got to next stop, and sure enough, gauge shows 96% full. To get rid of some propane, I am using propane hot water heater, but don't think that will "bleed" off excess propane anytime soon.
Should I worry about 96% fill on tank?



.8 x 24 = 19.2 gallons.

If he put 17 in, you must have 2.2 gallons in the tank.

There is a valve in the tank that prevents filling above 80% (unless you have an ancient tank).

The monitor inside your coach 99% of the time is driven off the tank gauge. So if one is wrong, the other is likely wrong unless there is a calibration setup that allows the monitor to read full at 80% fill (which is a true reading of tank capacity).

MrMark52

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Posted: 02/07/21 01:58pm Link  |  Quote  |  Print  |  Notify Moderator

And FWIW - the rate of propane usage is not linear due to the shape of the tank, assuming your tank is primarily round and is laying on its round side like most fixed tanks are mounted. Some portable tanks are filled standing up, but are installed laying on their round side.

The lack of linearity is due to the circumference of the tank. For example, the gauge will move slower the closer the liquid fill level is to the center of the tank. As the liquid level falls from “full” to closer to centers, the gauge moves faster than it does going thru the center liquid fill level of the tank. And as the liquid level starts falling below the center of the tank, the rate of gauge change starts increasing again.

Gjac

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Posted: 02/10/21 06:24am Link  |  Quote  |  Print  |  Notify Moderator

cross21114 wrote:

bucky wrote:

Most ACE hardware stores also sell propane.


In my area, I have found out that the cost of propane at Tractor Supply is half of Ace, which I had previously been using.

I took my RV down to our goose club so I would not have to eat and sleep in the clubhouse. I used a 20# bottle connected to an extended stay. This worked out well. Tractor Supply was close by which is how I learned of my mistake. Was shocked at the difference in price. Needless to say, I filled up the RV Saturday when I brought the RV home.

I refilled my 20# bottle about 4 times during the season and would be able to get about 3 nights in cold weather. If I were ataying full time, I would have 2 bottles.

Note: Tractor Supply has a corporate policy that they will not fill Blue Rhino bottles.
This is my experience also. TS, U-Haul and FJ all have web sites and will list there prices. TS is always cheaper where I live. I always call ahead for TS and U-Haul when I am traveling because not all have room for a large MH. FJ is the most convenient, get gas, water and propane at the same time.

rhagfo

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Posted: 02/10/21 07:33am Link  |  Quote  |  Print  |  Notify Moderator

Grit dog wrote:

Ok, so whatcha do, is pull up to any gas station tht fills propane, propane place, most farm stores, UHauls, etc. Get out of your coach, go inside, tell the person in the store you need to fill a propane tank, pull up next to the propane tank, they fill it, you go in and pay.
Generally in that order.


Pretty much covers it!


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afidel

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Posted: 02/14/21 05:08pm Link  |  Quote  |  Print  |  Notify Moderator

Just to put some numbers to propane usage, January averaged 30.8 degrees here, I've been heating the trailer M-F 9-8 on average to 68F and 40F the rest of the time. I'm running the "1500W" electric fireplace 24x7. I've averaged just over 20 pounds per week of propane. I'm sure that letting the trailer cool during the colder night has helped with useage, but if you've got hookups I'd definitely run an electric heater to minimize propane usage based on my experience.


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Land Yachters

Philadelphia

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Posted: 02/14/21 07:09pm Link  |  Quote  |  Print  |  Notify Moderator

thanks for all the input. I can't catch a break this winter. Now in Southern Texas by the border and it's going into the mid 20's for the next 2 days with 30 mph winds. I keep my fireplace/heater on all day and now just making sure pipes don't freeze. I am sure I will burn through most of my propane in the next few days.


Land Yachters
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Philadelphia, PA
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