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Thread: Is a 48 Volt RV In Your Future?
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03-08-2023, 07:57 AM #41
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I think there is a large gap between this tiny single axle concept being built and the ability to self park a 44 foot fifth wheel. The need isn’t there but who knows, Airstream might actually build one to sell but you can guarantee it will be north of 100k. Will someone want one, likely but most won’t
The thing I don’t understand about this segment( EVs and alternative energy) why is it taking so long to develop it to a cost effective idea?
They say we all will be driving EVs soon but where is the technology allowing that?
They say it will come but why isn’t it here now?
With todays computer modeling and 3 d printers R and D can take days when only 20-30 years ago would take years
My answer is that it either can’t be done or no one wants it2021 Imagine 2400 BH
2018 GMC Sierra 4x4 Crew 1840lb payload
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03-08-2023, 08:14 AM #42
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Still waiting for our flying cars they promised us back in the 60's.
Marcy & Gary
2014 Grand Design - Reflection 303RLS
2022 GMC 3500 Denali Duramax Longbed SRW
2015 GMC Denali 3500 - Retired
2003 F350 - retired
Michigan
We're in trouble now, the dog are bloggin'!
https://3dogsandatrailer.wordpress.com/
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03-08-2023, 08:23 AM #43
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Larry and JoAnna
‘23 Chevy 3500HD CCLB DRW High Country 6.6L Diesel, ‘22 Solitude 310GK-R, Hensley BD5
MORRyde 8k IS, QD8000 Genny, Dual 5kVA Quattros
Dual SOK 48V 100ah Server Rack Batts (10kWHr)
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03-08-2023, 09:41 AM #44
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03-08-2023, 10:01 AM #45
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Wow, I've managed to read through. To bad the EV subject took over most of the post. Funny how everyone gets really defensive when there's a change in the air, regardless of what that change is. When the internet was invented and they said that every house hold would have a connection, people screamed no way as we would have to re-wire the entire country.
Anyway,
I've read and see the advantages of 48v over 12v (smaller cables etc...) but is there any disadvantage other then changing/switching all of the appliances from 12v to 48v? Someone mentioned earlier that anything over 30DCv is dangerous and would require more protection. Will that protection addition offset the weight savings over todays 12v system?Steph & Lise
2019 F150 Lariat 2.7 EB
2020 Imagine XLS 22MLE
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03-08-2023, 10:07 AM #46
Just thinking after following this thread. Whether we are discussing changing our RV's to a 48 vdc system or EV's, it seems we have to keep in perspective that change occurs in every industry. Sometimes slow and sometimes fast. If we never experiment with new concepts we avoid change. Is that good?
In every new concept there are early adapters that enjoy being on the leading edge. They are the risk takers, and personally I'm glad they are of that mindset or we might all still be driving a horse and buggy.
EV's are not for everyone, especially at this point, and nobody is being forced to purchase one. But to predict the future of alternative forms of power is pure speculation. Would we have ever thought 50 years ago that we would be enjoying the many convenience and safety features of the trucks we drive today? Most due to computer chips, unheard of at the time.Last edited by dryfly; 03-08-2023 at 10:10 AM.
2020 Reflection 273MK
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03-08-2023, 10:38 AM #47
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Is smaller gauge wire an advantage?
Wouldn’t repair on small gauge wire be more difficult?2021 Imagine 2400 BH
2018 GMC Sierra 4x4 Crew 1840lb payload
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03-08-2023, 11:16 AM #48
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It’s cheaper, lighter and takes up less space. No more difficult than larger wire, and easier in some cases.
Saving tiny bits of money on large scale production vehicles is a big deal. An ME I was in school with went to work for a big automaker and came up with a change that slightly improved reliability and saved something like $1.50 per vehicle and got a nice cash bonus and an in person thank you from the CEO.John & Kathy
2014 F250 Lariat FX4 6.2L SBCC
2014 Reflection 303RLS
SW Indiana
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03-08-2023, 12:04 PM #49
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For Tesla the issue is reduced weight from reducing the size of all wiring, improved electrical performance, and reduced cooling requirements of the electronic components.
RV OEMs would benefit from reduced weight, improved electronic component cooling (LCI One Control, Leveling Sensors, Refrigerator and water heater control boards, etc.), Higher energy efficiency of electric motors (think Furnace and Hydraulic Pump motor).
Owners would benefit from having more on-board energy storage (50ah, 48v Lithium battery vs 50ah [usable] 12v, Lead Acid Battery), reduced weight of their RV (fuel savings), energy efficiency of on-board devices (motors, Inverters, Solar Controllers, etc.). Additionally, higher voltage would allow RV OEMs to create new devices that are not possible with the current 12 volt architecture.
RV OEMs might also be "somewhat" forced into the 48v architecture because 12v components will become less and less available and more expensive because the automotive industry is moving to 48v. Additionally, 48v motors are probably cheaper because they take less internal windings/less copper to manufacture. Additionally, battery prices on a per amp basis will probably begin to favor 48 volts when compared to 12 volts.
Edit: I forgot to mention HUGE COST SAVINGS because of using 4x less Copper in the mile long wiring harnesses.Last edited by SolarPoweredRV; 03-08-2023 at 03:58 PM.
David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
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03-08-2023, 12:16 PM #50
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NO, I do not recommend installing the Tesla batteries in your RV. The batteries have no built-in BMS (that is accessible to DIYers) so, you have to design and develop your own BMS type battery protections. Additionally, the lower pricing of Lithium batteries reduces/eliminates the reasons to install the Model S batteries.
Of course, the Tesla batteries definitely have a "COOL" factor to them !!David and Peggy
2019 Ford F350 Lariat, 6.7L Diesel, Dually, Long Bed
Running with 20k Reese Goosebox (Love It) and Ford Factory "Puck" system.
Stopping with 8,000 lb Disc Brakes and Titan Hydraulic over Electric Brakes system.
Powering all this fun with 1200 Watts of Solar, two Tesla, Model S, battery modules, 24 volt Victron Inverter.
2018 Solitude 310 GK
Rust prevention on rotors over...
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