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Preparing the bus for winter

This forum will archives technical threads that are unique to Eagle Buses. There will be one thread for general comments, but the technical threads will be locked. The intent is to have a repository for detailed technical information that can be of prime importance to an Eagle Bus Owner. New threads can only be created by the forum administrators.
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beltguy
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Bus Model: 1985 Eagle 10 with Series 60 and Eaton AutoShift 10 speed transmission (SOLD)
Location: Evergreen, CO
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Preparing the bus for winter

Post by beltguy »

I have been working on a draft of this post for over a month. Just never seem to find the time to finish it.

Let me set the stage. Our bus is almost impossible to winterize. There are lots of water items that make it impractical to drain and/or antifreeze. These include the dual element drinking filter, water systems in the fridge, and washing machine. Thus I have to keep the bus temperature above freezing (interior and bays) during the winter months. I keep the bus in the shop when we are not on the road, but the shop is not heated.

After we got the bus on the road in 2006, I simply used the Aqua-Hot to do the job. At that time, we were often on the road where it was warmer so the cost of the diesel was not a big issue.

As diesel fuel got more expensive, and we stayed home more, the cost became a significant issue. So, I got the bright idea to heat the bus with the small electric heater that we use in campgrounds or when we are on a pole. Seemed like a good idea since diesel fuel was so expensive -- until we got the first couple of bills. WOW. I did some calculations and I think we paid close to $60 per month in the worst months (1500 watts times an estimated 12 hours per day times $.11 per KWH times 30 days). I am not sure about the hours, but every time I went out, the darn heater was running.

The big issue is that the electric heater control lower temperature limit is 60 degrees. Thus the heater tried to keep the bus at 60*. In talking to someone they mentioned a thermostatically controlled outlet. I did some looking and settled on the unit shown here:

http://www.amazon.com/Farm-Innovators-T ... B0006U2HD2

This is an thermostatically controlled outlet that you plug into a standard wall outlet (photo below). It turns on at 35* and off at 45*. I have used that outlet for 3 or 4 years now and it seems to work well.
Thermal Cube Outlet
Thermal Cube Outlet
However, in the coldest periods, I wanted to have a backup. Obviously that would be the Aqua-Hot. Unfortunately, the thermostat that comes with the system has a minimum temperature setting of something like 50* So I set about trying to find a thermostat with a lower setting. After some searching I found a category called “garage thermostats” that have very low minimum temperature setting capability. The one I chose is:

http://www.amazon.com/PRO1-IAQ-T771-Tou ... B004Z84PW2

I replaced the thermostat (see photo below) for the main living area with this unit and I am very impressed! For the first test, I set it at 35* and turned off the radiant electric heater for a few nights. Most of the nights got down into the teens or low 20s. With just the Aqua-Hot electric element, the system maintained the bus at 35*
"Garage Type Thermostat"
"Garage Type Thermostat"
20141107 low temperature thermostat.jpg (22.54 KiB) Viewed 8729 times
Part of the testing has involved using one of temperature sensors from the fire detection system I used to sell, snaked down the outside of the boiler so that I get a good reading on the boiler temperature (heat sources shut off at 186*). That allows me to keep track on the impact of heating the coach with the Aqua-Hot only using only the electrical element. A few mornings when I only used the Aqua-Hot on electric element only, the boiler was at 140*, but the bus was at 35*. That suggests that I can keep the bus above freezing in 20* weather with the Aqua-Hot on electric only.

So, today I use a combination of the electric heater (on the thermal cube) and the Aqua-Hot with only the electrical element running. On the very coldest days I also switch on the diesel boiler just to make sure.

Last week we had the perfect “storm” (pun intended). I left town for California (teaching assignment) with temperatures in the 70s. The day I left, the huge polar storm moved in and Denver set several records for the low temperatures during the week I was gone. At our house, it got down to below -10* for long periods of time. I had not turned on the diesel switch before I left. The shop is a mess and it is hard to get to the bus, so I did not ask Pat to venture out to turn on the diesel.

When I got home yesterday, I did a quick test of the water system and it seemed to survive with no broken components.
Guess my system works for my situation. Thought others might benefit from my experience.

Jim
Jim Shepherd
Evergreen, CO
'85 Eagle 10 with Series 60 & Eaton AutoShift 10 speed transmission SOLD
2005 Dodge 2500 with 5.9 Cummins and 6 speed manual 2022 Sunset 28 foot trailer
Bus Project pages: http://beltguy.com/Bus_Project/busproject.htm
Blog: https://beltguy.com/Travelogue/
Email: eaglesinternational.email at gmail.com   NOTE this email box is only for general correspondence related to the forum and not technical advice.  Technical questions will not receive a response.
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Liberty
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Bus Model: 1967 Silver Eagle 01 #7211

Re: Preparing the bus for winter

Post by Liberty »

Jim we use a ThermoCube to turn on 2 garage door lights in the holding tank bay. I used the garage door bulbs as they have a plastic coating on them to give some extra protection. in the bay with the hot water heater, pump and the twin filter unit as well as the portable water softener unit I have a 60 watt bulb in a small aluminum reflector with a clam on handle. When the time come that the 50 and 60 watt resistance heating units become impossible to buy I will go to quartz bulbs. I think they would do a fine job as I know they will sure blister a finger tip if I reach under the to turn them off and touch the cover rather than the switch.
LeRoy
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beltguy
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Re: Preparing the bus for winter

Post by beltguy »

LeRoy, great use of the Thermo Cube.

In my case, my bays are in pretty good shape. The Aqua-Hot boiler provides some heat to the bays, and I have a heat exchanger in the water bay that has a low temperature setting.

I have some plumbing that is close to the bay door, so I put a piece of 1/2 inch foam between the plumbing and the bay door. That seems to take care of the bays.

I forgot to say that I also put the window covers on and the windshield "Double Bubble Foil" insulation covers in place.

Jim
Jim Shepherd
Evergreen, CO
'85 Eagle 10 with Series 60 & Eaton AutoShift 10 speed transmission SOLD
2005 Dodge 2500 with 5.9 Cummins and 6 speed manual 2022 Sunset 28 foot trailer
Bus Project pages: http://beltguy.com/Bus_Project/busproject.htm
Blog: https://beltguy.com/Travelogue/
Email: eaglesinternational.email at gmail.com   NOTE this email box is only for general correspondence related to the forum and not technical advice.  Technical questions will not receive a response.
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Eagle Andy
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FMCA #: F299044
Bus Model: 1968 SE Model 05
Location: Miles city Mt

Re: Preparing the bus for winter

Post by Eagle Andy »

Good information Jim thanks for posting, with the new to us Foretravel it is pretty simple to winterize, however I like to keep the inside warmer as it is tuff on the wood and i use it as my man cave to watch football. it also lets me work in there if something needs attention. We heat with propane, have a front and rear heating system that also vent into the water closet in the bay. I will look into the plug for elec heater use as well. Thanks again :D
Andy Wright 68 Silver Eagle Model 5 8V92 #7481
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Liberty
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Bus Model: 1967 Silver Eagle 01 #7211

Re: Preparing the bus for winter

Post by Liberty »

We use ours mainly to get us through the cold area of the country on our way to AZ for the winter. Some can, some can't, some won't, all is good.
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beltguy
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Bus Model: 1985 Eagle 10 with Series 60 and Eaton AutoShift 10 speed transmission (SOLD)
Location: Evergreen, CO
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Re: Preparing the bus for winter

Post by beltguy »

Since we have several new members, I thought I would bring this to the top again.

Jim
Jim Shepherd
Evergreen, CO
'85 Eagle 10 with Series 60 & Eaton AutoShift 10 speed transmission SOLD
2005 Dodge 2500 with 5.9 Cummins and 6 speed manual 2022 Sunset 28 foot trailer
Bus Project pages: http://beltguy.com/Bus_Project/busproject.htm
Blog: https://beltguy.com/Travelogue/
Email: eaglesinternational.email at gmail.com   NOTE this email box is only for general correspondence related to the forum and not technical advice.  Technical questions will not receive a response.
grandpaD
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Joined: Sun Sep 25, 2016 1:33 pm
Bus Model: shopping

Re: Preparing the bus for winter

Post by grandpaD »

Very helpful information, thanks.
Chuck
Chuck Dykstra Sr
Lake Geneva, WI
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beltguy
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Joined: Wed Oct 08, 2008 4:39 am
FMCA #: F246286
Bus Model: 1985 Eagle 10 with Series 60 and Eaton AutoShift 10 speed transmission (SOLD)
Location: Evergreen, CO
Contact:

Re: Preparing the bus for winter

Post by beltguy »

Seems like the correct time of the year to bring this up again.

As I had noted previously, I have to maintain our bus at a temperature keeps our water system from freezing. For a few years, I relied on electric heat (Aquahot and 1500 watt space heater). In really cold weather I would fire up the diesel part of the Aquahot. That can be an expensive proposition

A couple of years ago I made the decision to move the bus out of the shop so that I could use it for my other projects. I have no way of knowing the impact of that move, but my guess is that it may have reduced the heat resource load. The shop is not heated and now the bus gets some pretty significant solar heating (300 solar days per year in our area).

However, I was a bit frustrated relying on electrical heating. I did quite a bit of research on natural gas heaters (the bus is close to a natural gas hook-up). My research strongly suggested that I look at infrared vent free heaters. The only problem was that they are not rated for our altitude (7500 feet). However many folks said that they used them in cabins at higher altitudes. So I purchased this unit:

https://www.amazon.com/gp/product/B016I ... UTF8&psc=1

That unit worked flawlessly last winter. Most of the winter I run it on the low setting and when it gets bad, I change it over to the high setting.

Our weather is so variable that I can't calculate the savings, but the cost differential in our area would suggest a significant savings.

I have left one of my CO detectors in the bus for a while and there has never been an issue (plus we don't live in it). Howver, humidity is an issue. To solve that problem, I ordered the following unit:

https://www.amazon.com/gp/product/B075K ... UTF8&psc=1

That unit is no longer available at Amazon, but I suspect that they have similar units. I paid about $50 a little less than a year ago. The unit is very small, but it sure does the job.

It is comforting to know that I have multiple heat sources to keep my bus a bit above freezing.

Jim
Jim Shepherd
Evergreen, CO
'85 Eagle 10 with Series 60 & Eaton AutoShift 10 speed transmission SOLD
2005 Dodge 2500 with 5.9 Cummins and 6 speed manual 2022 Sunset 28 foot trailer
Bus Project pages: http://beltguy.com/Bus_Project/busproject.htm
Blog: https://beltguy.com/Travelogue/
Email: eaglesinternational.email at gmail.com   NOTE this email box is only for general correspondence related to the forum and not technical advice.  Technical questions will not receive a response.
Eagle obsessed
Posts: 322
Joined: Thu Jun 14, 2018 11:37 am
Bus Model: 1968 model 05 Eagle series 60 and B500
Location: McCook NE

Re: Preparing the bus for winter

Post by Eagle obsessed »

Good or bad, my bus is not ready for winterisation!!
Attachments
Hmmm....
Hmmm....
1968 05 Series 60/B500 swap 2019-2021
1971 05 8v71 Spicer 4 speed parts bus
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