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RV covered with solar panels : Dethleffs ehome

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Very few industries are currently faced with a scale of change as significant as that of the automotive industry. Developing alternatives to the combustion engine …

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31 Comments on "RV covered with solar panels : Dethleffs ehome"

  1. Dan Williams says:

    The overhead bed is not aerodynamic, that's a huge waste of energy.

  2. Hi Alan, I've decided that solar panels are not the best solution for motor homes. I don't own a mobile home yet so I wonder why I'm the only one doing this. It's based on Charles Sterling's batter to battery chargers.
    1 Modern alternators can produce 200A continuously. If you use a battery to battery charger you can get the correct charging voltage at the leisure batteries independent from the starter battery.
    You can't discharge (deep discharge) batteries like AGN or LiFePo4 more that 50% and the less discharge you have, increases the batter life considerably.
    If you discharge to say 80% a battery at .2c (that means charging at 20% for 5 hours) will fully charge from the alternator in 1 hour.

    Secondly, Honda make 2kW inverter generators. So instead of running at full speed, irrespective of the load, they generate 3 phase, change to DC then invert to single phase. (very efficient and not phase dependant) This lets the generator run at slow speed on low load, e.g. when charging the leisure batteries and higher speed when making the coffee in the morning.
    You can use 20% of battery capacity and recharge in 1 hour, nipping to the shops or whatever, run the engine or use the generator on low speed. Of course you can use 50% if you need to but then you have 2.5 hours recharging time.
    Or am I wrong?
    Jeff

  3. How many times are you going to say the same thing?

  4. How stupid is this brit

  5. R T says:

    Holy the ugly. Looks like something Doctor Who would come up with. But the turdis was much bigger inside

  6. Alan, you've seen the small, funny shaped cars covered with solar panels. They weigh peanuts carry on person, maybe 120kg altogether.
    This van weights 4000-5000kg. Bearing in mind that even in Australia, the sun only shines on one side of the van at a time, maybe the back and that the panels are not even tilted towards the sun, you don't need to be an engineer to know that this motor home ain't going no where. For off grid living, it would be nice but then you have to look at it every day and off grid living is all about pleasing scenery and a box covered on solar panels is the ugliest thing I've ever seen.
    Jeff

  7. patteel says:

    Does it have cooling ?

  8. Paulette says:

    Why don't you use the FOR ROTATING TIRES to also CREATE ENERGY while you're driving????

  9. On CQ Roads says:

    I wrote a blog article a few months ago. Before I located your product. http://bishopwrites.com/blog/?p=1646
    In that I suggested the use of flexible solar panels adhered to the vinyl awning as well.
    The Peel & Stick panels may represent greater electrical output for your roof panels.
    As a different thought, have you considered using excess solar generation to charge the drive batteries?
    I would also make it so, for periods of non-use, the vehicle can output energy into your household solar system.

  10. Winter camping ? Lyfao!

  11. Lets see the inside !

  12. Moman says:

    Awesome. I want a rv that can power everything inside and charge the batteries with just solar. Literally it’s what I’ve always wanted.

  13. Once they perfect solar paint, they could bang this job out.  Also pull movable light weight rear solar coat appendage on small wheels.

  14. It looks like shit though.

  15. theboo222 says:

    No panels on Doors and Hood… pass.

  16. thebentley71 says:

    Put that camper on a VIA hybrid truck they get 100 mpg, & that's with a 400nm engine. Imagine what you could do with Nissan 3 cylinder turbo/diesel that puts out 300 h.p matted to a very efficient generator/altenator that charges ion lithium batteries that produce power for the tesla e-motor.

  17. Lady Coco says:

    This is fantastic, however I would be interested in buying one when technology reaches where the RV runs fully off of the solar panel!

  18. I am am I says:

    What a fucking airhead commentator. OF COURSE the solar panels help power the electric drive train. Even if you have to remain in one spot for a day or two as the main batteries charge this is still "powering the vehicle". So sick of these solar/ev bashers. This idiot makes out that to charge the main engine batteries is "at this stage not possible". What a tool.

  19. Love Nature says:

    Hybrid RV, gas to all electric running (Chevy Volt); paint in black

  20. So this is the wrong way to go. I say this because we now have a bus that has clocked over 1400 km in a day no stopping. So we don't need solar panels covering out vehicle like this.

  21. Zen Zen says:

    Hello Alan, a very interesting article concerning solar charged vehicles is contained "Fully Charged" latest episode. Don't know if you subscribe to this excellent channel hosted by Robert Llewellyn (ex Red Dwarf). But it covers all things solar/wind/etc. Check it out

    https://www.youtube.com/watch?v=ko-l-CSqV_8

  22. To me it looks like they've simply cut out and stuck on lots of flexible panels, but I don't see how they're connected or even how they could work. There's a lot of cells there cut in half – how are they connected? There are circuits missing? There are no cables to connect them all? Then there are issues around how they are connected in a way where shaded panels don't bring down others. Do they have lots of micro controllers? Smells like a big pile of fake to me.

  23. The arrangement means you continue to collect maximum power in low angle sun without even moving the vehicle or aiming panels. I predict that some day soon all electric vehicles will be required by law to be covered in panels or pay a stiff environmental tax. We are already seeing PV cells being laminated to the horizontal surfaces of production vehicles. Certainly motor homes are the least practical electric vehicle for using PV cells but every cell means less demand from grid power and more self sufficiency. Before you try to say this is not practical, MY vehicle I drive daily collects 100% of my daily transportation energy from the sun. How? It weighs only 160 lb and is also pedal powered. A 100 watt panel is all I need because I kicked my personal car addiction and fully understand how selfish and unsustainable it is to insist on a 4000 lb steel caged climate controlled lounge couch to go a mile to the grocery! I save $3000/yr by not owning a car which has fully paid for my Organic Transit ELF. Excellent professional video of the ELF here: https://www.youtube.com/watch?v=r_xDuHuk4_E&t=11s

  24. Awful Voice,,,for a Homo That is !!!

  25. e r says:

    This kind of motorhome actually came in my dreams before it released. Yet, in my dreams look thoroughly designed and stealthily beautiful

  26. They're having a bit of laugh, putting a panel under the peak, and also putting them under the awning. But they're making a point I suppose. I'd be interested to know what wiring scheme they've used and how many solar controllers they have, to manage the fact that more than half the panels could be shaded at the same time, thus affecting their performance greatly.

  27. Matt fo says:

    Great! At long last an electric motorhome. More technical details please

  28. Zen Zen says:

    Hello Alan, it's me again 🙂 The maximum energy reaching the Earth's surface from the Sun is about 1kw per square metre. This would be noon on the equator with a totally blue sky. The theoretical maximum efficiency of current PV technology is about 33% (currently it is a lot lower) so the max you could gain in ideal conditions is currently about 330 watts per square metre. As 1 hp is about 750 watts, your going to get as a maximum of under a half a horsepower per square metre of solar panels. I don't know the average engine power rating for a typical motorhome but I'm guessing its well over a 100hp so in perfect conditions you would need 200 sq metres of panels to generate this amount of power 🙂 I know, I know, I need to get out more 🙂

  29. Well done mate, been wanting a look at this, thankyou -be well

  30. I was hoping you'd cover this one. Great job as usual!

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