Is this the future? - Fiberglass RV


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Old 11-01-2010, 04:06 PM   #1
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Is this the future?

Truma - VeGA fuel cell
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Old 11-01-2010, 04:36 PM   #2
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Interesting, but what do they mean by "liquid gas"? It could be either LPG or gasoline. In any event, it's easy to put up a webpage but difficult to deliver a product.
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Old 11-01-2010, 08:08 PM   #3
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Probably butane and/or propane.

Truma also makes some amazing trailer moving systems...remote control, etc. Makes our EZ Tug seem so obsolete.
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Old 11-02-2010, 11:18 AM   #4
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Interesting, but what do they mean by "liquid gas"? It could be either LPG or gasoline. In any event, it's easy to put up a webpage but difficult to deliver a product.
The technical specifications states butane or propane as fuel.
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Old 11-02-2010, 05:25 PM   #5
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....is this someones update or mod? Maybe they could shed a bit more light on the subject.
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Old 11-02-2010, 05:54 PM   #6
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....is this someones update or mod? Maybe they could shed a bit more light on the subject.
It looks to be a source for charging your battery. The equivalent of 250 watts or 20 amps @ 12v 24 hours per day (6000watt/hours) as long as you have enough propane. That works out to around 500 amp/hrs per 24 hours.

What they don't say is the cost. So far, all the propane based fuel cells I've seen are in the many thousands of dollars each range. I also don't know what their "100 g/h" propane use rating is - gallons? grams? If it is grams which makes the most sense, a 10 lb tank of propane would last around 45 hours at full load.
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Old 11-02-2010, 07:05 PM   #7
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I'm pretty sure it means 100 grams/hr it being a German manufacturer and all.

Since my two ordinary tanks work out to a total of 17.2 kg usable propane that would work out to about 172 hrs at full tilt. I believe the unit automatically adjusts output to adapt to the level of charge in the battery, so the real-world camping output necessary would be a whole lot longer. In mine it would be weeks and weeks of fulltiming, I would guess (especially when augmented by a solar panel).

I know of no one who has tried this, and I think it is not generally available at this time, but eventually it will be. Cost will probably be astronomical, at least at first.

For me it would not be much added weight to the trailer, since I use two group 31 batteries and would probably ditch one of them for obvious reasons. A decent filter to make sure the propane is clean is likely necessary. If the cost would ever be reasonable I would likely be all over this one.
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Old 11-02-2010, 07:40 PM   #8
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Thanks,Per, for posting the link. A silent fuel cell, reasonably priced, would be far preferable to a generator, even our fairly quiet Honda 1000 which we carry as backup to solar. I'm sure we'll see more innovation in this area, which should drive down costs (eventually).
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Old 11-03-2010, 04:38 AM   #9
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A silent fuel cell, reasonably priced, would be far preferable to a generator, even our fairly quiet Honda 1000 which we carry as backup to solar.
I've seen one comment in the UK that these fuel cells aren't silent, just quiet - it was described as being no noisier than a loud air conditioner. But that was a prototype so production models may be quieter.

I suspect "reasonably priced" may be a hurdle too far for a fuel cell. "Less than the cost of ten generators" might be a good target....
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Old 11-03-2010, 10:05 PM   #10
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Well, Andrew, the noise level you describe would certainly be disappointing in a device with relatively few mechanical parts.
I'm certain the initial cost would be high, as in so many other new systems.
We'll have to keep a long-distance eye on it, and see how it works out.
Thanks for the info.
Sherry
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Old 11-03-2010, 11:24 PM   #11
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This device is complex.

Diving a little deeper into the Trauma fuel cell device. It is rather complex. Processing LPG requires catalyst (I think it is Rhodium Rh) which could easily be poisoned with dirty fuel. I had personal issues with dirty LPG plugging my LPG plumbing with a yellow gooey. Inside processes are at 750 degree C (1382 F). I will wait.
http://www.fctedi.eu/symposia/fqaspects/organizercontact/090910_7_HT_3_Kolb_Compact_Fuel_Processor.pdf
http://archivos.labcontrol.cl/wcce8/offline/techsched/manuscripts%5C60wfwe.pdf
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Old 11-04-2010, 11:07 AM   #12
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I also don't know what their "100 g/h" propane use rating is - gallons? grams? .......
Grams for sure. A bit of triva to keep in mind when purchasing products made outside of the USA is that the US is the only industrialized country in the world that does not use metric. There are actually only 2 other countries besides the US that don't use metric - Liberia and Burma.
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Old 11-04-2010, 05:26 PM   #13
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A bit of triva to keep in mind when purchasing products made outside of the USA is that the US is the only industrialized country in the world that does not use metric. There are actually only 2 other countries besides the US that don't use metric - Liberia and Burma.
If other countries think the metric system is so good, where is the metric time? There should be 10 seconds in a minute, 10 minutes in an hour, 10 hours in a day, 10 days in a month and 10 months in a year. We already have 10ths of seconds, decades, centuries and millennia. I would guess that most people use time more than any other type of measurement but all those metric countries just ignore it.

If I remember correctly the meter was based on 1/10,000 the distance from the equator to the north pole, then they found out later that they calculated it incorrectly, but they did not change the meter. The only positive thing the metric system really does is make math a little easier.
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Old 11-04-2010, 05:42 PM   #14
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The idea was proposed but abandoned.
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