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Old 09-20-2012, 10:28 PM   #1
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Default New Roadtrek RS E-Trek

The new E-Trek includes the following features:
Mercedes Sprinter Van (170 inch wheelbase), with Bluetec technology, and Bio-Diesel Fuel Capability.
Propane Free Operation.
New Interior styling, including touring captains seats in second row.
New Exterior Styling, Full Body Paint, tone on tone colours!!
250 Watt Solar charging
EFOY Fuel Cell generator option
Engine generation using additional engine generator/alternator
2500 Watt Inverter
Surge protection and Power monitoring
Optional Lithium Ion batteries
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Old 09-20-2012, 10:41 PM   #2
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Default Re: Roadtrek RS E-Trek

I'm guessing diesel furnace and hot water.
Lithium batteries and EFOY Fuel Cell options will be expensive (and you'll probably do just fine without them) http://www.efoy.ca/introduction.html
250 watts solar is great.
Engine as a generator is interesting. I'm trying that now: http://www.classbforum.com/phpBB2/vi...hp?f=12&t=2295
I'd guess they used a Trimetric for battery monitoring.

I wonder how big the battery bank is...........

It'll be interesting to find out how they handle coach air-conditioning.........
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Old 09-20-2012, 10:52 PM   #3
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Default Re: Roadtrek RS E-Trek

Quote:
Originally Posted by Jim Hammill
...........you have enough battery to run for a long long time........
Quote:
Originally Posted by Jim Hammill
.............engine alternators/generators now generate as much as 3500 watts..............
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Old 09-20-2012, 11:11 PM   #4
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Default Re: Roadtrek RS E-Trek

Quote:
Originally Posted by Jim Hammill
.........Eight Deep Cycle AGM batteries, or two deep cycle lithium ion batteries...........
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Old 09-20-2012, 11:28 PM   #5
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Default Re: Roadtrek RS E-Trek

The EFOY 1600 outputs 65 watts.
130 Ah per day.

The EFOY 2200 outputs 90 watts.
180 Ah per day.

A 13,500 btu rv air conditioner uses approx 2,800 watts at startup and 1,800 watts when running (source: http://powerequipment.honda.ca )

So, if you run the air conditioner for 1 hour then the Efoy 2200 would have to run for 20 hours to recharge the batteries.............
In practice, you wouldn't do that. You'd start the van engine instead.
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Old 09-20-2012, 11:28 PM   #6
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Default Re: Roadtrek RS E-Trek

Very interesting. I don't see it on their web site yet, but I'd love to learn more.
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Old 09-21-2012, 02:13 AM   #7
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Default Re: New Roadtrek RS E-Trek

Most likely it is diesel hydronic heating and hotwater. Great West Vans started putting that in their Legend last year and it isn't taking long for others to take notice. All of a sudden the B converters seem to be waking up and starting to think more outside the box.

I'd like to see more thinking outside the box in plan design. So far only Leisure Travel Vans with their Free Spirit SS has managed that. I'm curious to see what Advanced-RV comes up with.
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Old 09-21-2012, 02:44 AM   #8
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Default Re: New Roadtrek RS E-Trek

250 watts of solar installed flat on an RV roof will give you between 60 and 100 amp hours per day depending on the weather and the latitude where you are. I'll average it at 80 amp hours.

1 hour running of a 13,500 btu air conditioner on an inverter could draw 150 amp hours from your battery bank. Solar panels will give back 80 amp hours (per day) leaving a deficit of 70 amp hours. You'd have to run the Efoy 2200 for 9 hours just to recoup the 1 hour air conditioner use ............. Here again, you'd run the van motor instead.

I can't wait to see more detailed specs on the new Roadtrek RS E-Trek to see how they are handling stuff like this.
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Old 09-21-2012, 01:12 PM   #9
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Default Re: New Roadtrek RS E-Trek

Photos of the new Roadtrek RS E-Trek should be out soon. They'll be interesting to see but it is the shift in the use of technology that will really differentiate the E-Trek from other models.
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Old 09-22-2012, 12:06 AM   #10
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Default Re: New Roadtrek RS E-Trek

Some info and a video of the EFOY Fuel Cell here: http://www.classbforum.com/phpBB2/vi...php?f=9&t=2348

I think I was mistaken in some of my earlier comments about not wanting to run the EFOY for many hours. Now I think that it exactly how it is intended to be used. Set it to automatic and let it run as long as it needs to.
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