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Old 02-17-2019, 06:30 PM   #241
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Originally Posted by TouringDan View Post
I am waiting for some cold weather so I can test it.

Shoot, Dan. Why wait? We've got all the cold weather you could want here in KC. Snow and ice to boot. Come on over.
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Old 02-17-2019, 07:04 PM   #242
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That power plant in the back of your Trade Wind is getting more complex. I did not know you couldn't charge LI batteries in the cold. Sounds like you found a good "improvement" to avoid the PTIA angst.

You are going to have to write a new owner's manual for your Trade Wind explaining how all this works. I actually wrote an addendum to mine explaining how to remove the new fridge I installed. I am also writing one explaining how to remove the "easy to remove" galley sink cabinet shelves so you can gain easy access to the water pump. I didn't want some future owner cursing me, but probably unavoidable.

David
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Old 02-17-2019, 08:33 PM   #243
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Slats- I heard about your snow and ice from my brother. He just drove through KC a few days ago. Just keep it there. I will wait patiently. I know it will come here.

David- You are correct. However, first I have to figure out how all this new fangled stuff works myself- lithium batteries, Trimetric battery monitor, inverter, solar panels and controller and now this Smart Battery Sense. I know just a little bit of how it all works. I have a lot to learn.
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Old 03-01-2019, 06:45 PM   #244
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I finally got the Smart Battery Sense connected via Bluetooth and it finally got below the threshold temperature of 5 C where it prevents the solar controller from charging the batteries. I was so excited when I saw that the temperature was 3 C (see photo).Click image for larger version

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Then I got unexcited when I saw that the batteries were still being charged at the rate of 2 watts (see photo).Click image for larger version

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I will have to give a call to Victron to see what the problem is.

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Old 03-03-2019, 11:05 AM   #245
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I have had my BB lithium ion batteries installed for 4 months now and I finally believe that I have some understanding about how the batteries, the Trimetric monitor, the Victron MPPT solar controller and the Samlex inverter work together. Remember that I am completely unplugged (off the grid) and plan to stay that way. I don’t plan on hooking up to shore power or even using my 1,000 watt generator. We’ll see how that goes as it is a tall order.

I believe for the first time, my batteries were finally fully charged. I know this because my solar panels were connected and the power going into the panels was 0 watts (see photo)Click image for larger version

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I don’t plan on using the air conditioner much, but I would like to know how long it will run going from fully charged batteries to 20% SOC. My oil filled heater uses 445 watts on low (see photo). This is very close to the 465 watts that my 5,000 btu/hr air conditioner uses.Click image for larger version

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I monitored the conditions every half hour and the heater ran for 4 hours before the two lithium batteries were down to 20% SOC. Additionally the battery voltage at the end of the test was 12.4 volts with both the inverter and heater operating. I know if these were lead acid golf cart batteries that the voltage would have been way below 12 volts since the “resting” voltage of the golf cart batteries at 50% SOC is 12.06 volts. I suspect that the inverter would already have tripped due to low battery voltage.

I was quite happy with the results of the test and glad that I have lithium batteries. Looking forward to some hot weather this summer so I can perform a real air conditioner test.

Dan
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Old 03-05-2019, 07:00 PM   #246
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Very impressive. Now you can get all excited. Imagine yourself deep in the North Carolina woods for weeks at a time, off "grid" so to speak. Very tranquil. The next thing you know you will be collecting and boiling rainwater, eating berries and snakes. Daniel Boone.

David
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Old 03-05-2019, 08:10 PM   #247
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Deep fried rattlesnake is delicious, BTW. A bit bony, but tastes a lot like alligator/chicken nuggets. Really good with Cajun spiced aioli for a sauce.

Yes, hung our with a real Cajun. The old joke is if you want something gone, 1) close the season, 2) put it on the endangered species list, and 3) tell a Cajun it’s edible and tastes good. Props to my Cajun buddies that told me that joke...and introduced me to some fantastic foods.
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Old 04-20-2019, 11:07 PM   #248
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CAMPING WITH OUR WINDOW AC!

We just returned from camping at Tomoka State Park in Florida. It was warm enough that we needed to use our window AC to sleep comfortably. We usually don’t camp where we need AC. The window AC usually rides in the bottom of the closet. This is the first time we have used it in about 2 years.

DanClick image for larger version

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Old 04-21-2019, 07:45 PM   #249
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Who invented the air conditioner process anyway. It sure has made life on earth much more comfortable. My old Trade Wind had an old air conditioner on the roof. It worked well when needed. My Overlander has one too.

Your creation of a removable window air conditioner is cool (excuse the pun). I've seen some rough attempts at it.

We have one of those "room air conditioners" here at home that draws about 1500 watts and cools the bedroom nicely. It needs a 4" vent for the heat. I wonder if such a unit would work in a camper.

David
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Old 04-21-2019, 08:15 PM   #250
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Touring Dan is also Pragmatic Dan. Hats off to taking it with you.
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Old 04-21-2019, 09:41 PM   #251
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Quote:
Originally Posted by dbj216 View Post
Your creation of a removable window air conditioner is cool (excuse the pun). I've seen some rough attempts at it.

Thanks David. I am sure you have heard the expression “better lucky than good”. This applies here. The design actually works better than I thought it would. I wanted it to sit on the window bottom rail at the center of gravity of the air conditioner. This way the AC unit would not need outside or inside support. The AC unit I selected luckily has a plastic bottom. This made it easy to cut a groove in the bottom at the CG and the unit is supported in the groove by the bottom rail. The photo shows the plastic bottom but not the groove. Trust me, it is there. Notice also that the horizontal grooves in the side of the AC unit are all outside and where the heat is removed. Add in the quiet operation, only 465 watts of energy and remote control operation for less than $200 and this unit is a winner. A piece of scrap aluminum placed under the unit drains the water away- more luck on my side and I’ll take it. Usually things don’t work out better than you hoped for.

DanClick image for larger version

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Old 04-22-2019, 06:40 PM   #252
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Just want to note that the above photo was taken without the lexan panel in place.

Slats- Thanks, that sounds like a compliment. I guess I’ll have to go look pragmatic up. I are an engineer.

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Old 05-09-2019, 08:48 PM   #253
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POWERING THE 12V DC COMPRESSOR FRIDGE

We now travel with a 65 qt 12v dc compressor fridge (Dometic CFX65DZ). This insures that there is always cold beer and ice when the ammonia fridge sometimes has a mind not to stay cold enough in hot weather. The only problem is that it requires about 30 Ah of energy each day. When riding in the bed of the Tundra it is powered from a 12v outlet I installed.Click image for larger version

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When we get to where we are camping I have a 12v extension cord to power the fridge from a connection to the 12v and ground terminals in the 7 pin umbilical cord.Click image for larger version

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ID:	340279When we are home the Tundra is parked next to the Tradewind and I installed a 12v outlet in the C channel underneath the banana wrap.Click image for larger version

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ID:	340281The 12v outlet is powered from the 12v panel box using 16 gauge wire with a 10 amp fuse. The peak power consumption is 50 watts. The average power consumption is about 15 watts which results in 30 Ah per day to keep the fridge operating. The sun keeps the fridge cool using two 100 amp portable panels.

DanClick image for larger version

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Old 05-10-2019, 06:54 AM   #254
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If you haven’t already done this , try a small computer fan or two in your chimney of your fridge to pull the heat out . We stayed in Az. One summer and tried this and it worked great , even keep the ice cream frozen. Good luck .
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Old 05-10-2019, 08:58 AM   #255
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If you haven’t already done this , try a small computer fan or two in your chimney of your fridge to pull the heat out . We stayed in Az. One summer and tried this and it worked great , even keep the ice cream frozen. Good luck .


Thanks Joyflea. I actually did install 3 computer fans in the chimney. It didn’t seem to make much difference in the fridge performance which really frustrated me and makes no sense. I have a thread on it in the refrigerator section dated September, 2015.

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Old 05-10-2019, 03:53 PM   #256
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Dan , is it open on the sides or are you only letting the hot air go through your fans . I was told by an aircraft engineer that you need it open on the sides and not to fill the area with fans . Something to do with a ventures effect . And of coarse to use it as suction . Good luck , know it worked for us . Haven’t tried it on our Airstream we are building right now . Only using two and controlling them with a thermister type thermostat closed at 140 degres .
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Old 05-10-2019, 11:12 PM   #257
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Dan. Are you saying your fridge is not cooling correctly? I have a similar fan set up in the chimney only located about 1/2 way down. Makes me nervous if yours isn't working
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Old 05-11-2019, 05:40 AM   #258
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Joyflea- Yup, all the air is sucked thru the fan opening area. That would be great if providing openings on the side would improve the performance. Doesn’t make any sense to me though. I need to perform a thorough fridge test- one with the fans on then one with them off.

Jeremy- my fridge seems to work inconsistently. It is not clear to me that the fans help the cooling. I need to do a thorough test.

One additional point is that it doesn’t cool very well at all when we are traveling. This again doesn’t make any sense to me. Maybe the traveling lowers the airflow up the chimney hence affects the cooling.

Thanks for all the comments and help.

Dan
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Old 06-01-2019, 07:02 AM   #259
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Dan's '66 Tradewind Improvements

MARKER LIGHT REPLACEMENT

Well I have owned this Tradewind for at least 8 years and it is a bit embarrassing that I am just now replacing the marker lights.

There are a total of 10 marker lights, 5 amber in front and 5 red in the rear. There are three lights across the front and rear and then four corner lights. There is only a black (or green) 12v wire going to each marker light. The body is the ground connection.

Airstream’s installation of the three front and rear marker lights was fine- the black wire going through a large hole to the marker light. Here is a photo.Click image for larger version

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Now I can’t imagine why not, but Airstream didn’t provide a large hole for the hot wire for the four corner lights. They only provided a 3/16 hole for the 1/8” hot wire with no grommet. I am amazed that after 53 years of travel the hot wire never shorted out on the aluminum shell ground.Click image for larger version

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ID:	342192 I made the hole larger (1/2”) and used a grommet to protect the wire.Click image for larger version

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I ordered led marker lights from VTS. I was a little concerned as there were only two reviews from 2014, one positive and one negative. The negative one said they weren’t bright enough. Baloney, I wouldn’t want them any brighter. I am very happy with the results.Click image for larger version

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I know- those nice new marker lights would look better on a clean and polished Tradewind.

Dan
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Old 06-01-2019, 07:28 AM   #260
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Dan, I agree the VTS marker lights are great. We had the same small wire hole. We enlarged it, added grommets and sealed the hole with Parbond. We only have the standard four. They are bright enough to have them on and be noticeable in the daylight while traveling. With all your bright marker lights on, they’ll see you coming. Looks great.
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