...I suddenly wonder how many miles the average RV is driven per day, when being moved.
I'm seeing people talking about limiting themselves to 6 hours or 300 miles per day, and advice to never do more than 500 miles per day.
Also, how much boondocking is done? (I don't actually care about water and sewer hookups for this, I just care about electricity.)
The reason I'm thinking about it is... how much battery does an electric RV really need?
If people are only doing 300 miles a day, and driving to a campsite with at least electric hookups... shit, 200 miles of EV range is enough!
Start out with a full battery in the morning (having charged at the campsite at 9.6 kW (minus any house power usage) off of a NEMA 14-50 hookup), drive 200 miles, charge to 60-80% at a DC fast charger, drive another 100 miles, done.
Now, boondocking makes this a *lot* harder - you have to carry the energy for all house power usage (minus whatever piss-ant levels of energy you get from rooftop solar) *AND* the energy to get to the next charging station. That means that you may have to take a fast charge shortly before arrival, and go out for charging.
(You could also carry a generator, but the idea here is to get off of fossil fuels! So, electricity demand would be higher than most campers, with electric heat and cooking.)
Also optimizing aerodynamics would be critical.
Rooftop AC units are right out - ideal would be a basement heat pump setup. Any retractable awnings would need to be integrated into the body, rather than just hanging off the side. If the design is actually made as a camper rather than as a cargo van adapted to a camper, tapering the roofline above the bedroom will improve aerodynamics massively with little impact to livability.
There is also going to a pop-up roof to minimize frontal area...
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