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Old 12-23-2016, 05:13 AM   #101
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The blowers in bus heaters are typically high compared units and also able to produce good static pressure through the coils. Computer fans are designed for zero static pressure unless you get the noisy high performance ones used in 4 post enclosed racks. The larger coil only helps if you have the ability to move coolant and air through it. A cutaway bus likely has no 1 inch coolant lines anywhere in it, not even the supply and return from the block. That said you can still get good heat out of the coils you have by adapting the 1 inch fittings down to the 3/4 or 5/8 that the bus has, no need to re plumb all the hoses for that one unit.

Christopher
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Old 12-23-2016, 07:00 AM   #102
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Morning Christopher, you are an early riser.
The pump on the webasto is 400 gph if I remember correctly. The hose connection are 3/4" and the original bus line is indeed 5/8"
I have 1" and 3/4" laying around and will temporarily adapt to the existing stuff. Later I have to pull the coolant WVO HIH lines out of our old BULAN. They are 3/4" with 3/8" thin wall stainless fuel line inside. they worked fine for the rear heat in the econoline.

My main gripe with the original heater fans is that they are to noisy, so my goal is to enlarge the heat exchanger from 16Kbtu to 50 Kbtu, not that I need that but just so that I can use low flow , guiet, fans. Will see, if you want something special cheap then it always becomes an experiment.

I will post some pictures of my DIY heater contraption.

Later J
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Old 12-23-2016, 11:29 AM   #103
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Elf Bus E350 coolant heaters

Just for info :
The two different interior heaters next to each other, The cube unit on the floor is 16000 BTU, the rectangular one that hangs normally on the bottom of the seat is 50000 BTU.

http://www.skoolie.net/forums/member...ture14759.html
I drilled the spot welds for the brackets and inverted the bracket so that by chance it fits the wider frame width of our seats. I raised them up also so that the new heater is going to be under a small angle and directs slightly to the front of the seat. Probably going to put 6 normal 0.12 Amp computer fans on top so that the fan pushes thru the core and that the core then acts as a muffler.

Here is how I hung the Webasto against the AC condensor box.

http://www.skoolie.net/forums/member...ture14760.html

The bolt in the top left is the front end of the leaf spring bracket.
Later J
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Old 12-24-2016, 04:48 PM   #104
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Merry christmas everbody!!
A little more work on our bus.
Cut a piece of lexan and glued magnetic strip salvaged from a fridge door seal. Had to modify the rear door lock bracket so that it would not interfere.

http://www.skoolie.net/forums/member...ture14766.html

I will add a couple of screws on the bottom so that it does not slide town by vibration or bumps. Maybe add a couple of bags of silicagel to eliminate moisture.

http://www.skoolie.net/forums/member...ture14767.html

Needed to cut of a little of the door handle so it would not poke into the magnet strip.

Then I went on and removed the old heater core and replaced it with a big one. Drilled new holes in the floor. Was happy to see that at least at that location the plywood was dry and not rotten. It came out pretty nice. Tomorrow I will add some computer fans to the top and see how it performs.

http://www.skoolie.net/forums/member...ture14765.html

merry christmas,
later j
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Old 12-31-2016, 07:06 PM   #105
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No progress but....

Happy New Year and stay safe. for this great forum

later J
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Old 02-11-2017, 10:08 PM   #106
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snowstorm NIKO

It has been awhile. Busy with Life. small progress in bolting the rack for the solar panels and installing the webasto heater with a larger interior heater core. Also made a mount for the spare tires under the bus and then we needed it to go a haul a electric car conversion project from a couple of hundred miles.

We decide against good judgement to leave 4 hours before snow storm Niko with the idea that we it would hit more north.

We "camped" in Easton PA and woke up in this

http://www.skoolie.net/forums/member...ture15129.html

The webasto and our upgraded heater core kept us warm enough and with a little more sealing and insulation I think we are in a good shape. Next are the solar panels.
Later J
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Old 02-26-2017, 09:13 PM   #107
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Finally some solar on Elfie.

http://www.skoolie.net/forums/member...ture15256.html

Two of the three panels are up. Going on a trip to arizona this week so it is getting hectic.

Later J
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Old 02-28-2017, 07:43 PM   #108
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Very impressive timeline on this build so far. Very jealous that you have solar.
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Old 03-04-2017, 08:23 AM   #109
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Thanks Spoutroot.

So we had a medical thing going on with one of the girls and had to stay put. Made some more improvements.
First we made some clothing storage above our bed in the rear. Going to see how well it goes with the doors off first.

http://www.skoolie.net/forums/member...ture15270.html
Found some furniture grade 1/4" plywood for the bottom and front, little quarter panel is made of 7/16 ply. I wanted to go light. W wll see if this to light. Used polyurethane floor coating and that made the surface a lot stronger.

Another storage for the kids toys above the kids dinette.

http://www.skoolie.net/forums/member...ture15271.html

Like to add one more bracket to reduce vibration issues.
The bottom is is only 4-3/4 " wide and it is hung from the bottom of the wiring duct with machine screws that were mounted in the wiring duct. Nuts are on the bottom. Extra thread is sticking out so that the same screw can hold the insulating blinds.
On the right are the solar controllers.

Here is a detail shot of the house electrical panel.
I had and like to use old style toggle switches and here you see it.
No relays. The switches against the window are the heat controls, webasto pump, webasto and several computer fans that circulate the air through the heater cores. The webasto has its own fuse. The other heat related stuff goes thru one 10 Amp reset fuse.

http://www.skoolie.net/forums/member...ture15269t.jpg

The switches on the front are for the fridge / freezer/ monitor/aux fan and master ceiling lights.

The battery monitor shows voltage , amp load, Ah and some other stuff. It relates only to the house battery. The solar is tied into amp meter the shunt resistor

Next to it is the master house switch fused with 30 Amp. The solar controller go directly to the battery and are individually fused.

Later J


So this whole message dissappeared again. i had it saved but the forum interface sucks.
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Old 03-17-2017, 05:58 PM   #110
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thumbnails inserted in post disappearing

Just thought I update with a solar panel picture but see that all pictures in the last page (11) in this thread are gone, coincidence? The previous page (10) has all the pictures there??

i will wait a little till this clears up.
later J
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