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What I have seen previously is that the amount of energy you get from the solar cells that you could fit on the top of the car is really small compared to what it takes to charge the battery.
Since there is minimal benefit, and it's costly to include them and wire them to the battery, it hasn't been viewed as worthwhile.
Spot on.
Rough summary of when it is energy and effort efficient: https://xkcd.com/1924/
For comparison, my rooftop solar array, with around 16 full-sized panels (~6kwp) produces just under 2 miles per hour in my electric car (around 3.3kwh/mi). Or in real life, takes about 2 fully sunny days to produce the power to charge the car.
What kind of ev are you driving? That's insanely high energy usage.
My EV gets about 6km per kwh (around 4 miles)
You get 4 miles per kwh and they get 3.3 and you call that insanely high? The 2.5-4 mile to kwh is really standard for EVs. I don't think the 3.3 is outside of the norm at all.
Fish reversed the numbers. It should have been miles per kWh
I don't know anything about EV efficiency, but the rates are inverse, so they are drastically different.
Fish gets 3.3kwh/mile
Peacock gets 4 miles/kwh or 0.25kwh/mile
Oh I see that error now. I guess I just assumed from context his 6kwh panels generated 2 miles per hour. I get the confusion though
I'm still a little confused, wouldn't 6kwh provide roughly 12 to 24 miles of driving range?
They mentioned their car uses 3.3 kwh per mile. With their solar setup they can generate around 6hwh per hour. Meaning they can generate roughly 2 miles every hour of sunlight.
Right, which is why people are confused. Fish likely meant 3.3 miles / kWh, but that comes out to 20 miles for one hour of charge. But the fact they said just under 2 miles of range actually correlates with their 3.3kWh/mile statement, but no one has ever heard of an EV with efficiency that terrible.
Yeah this is what I’ve heard as well. Aging Wheels goes into it a bit in this review of a concept car, kinda neat - it has pedals like a bicycle but the energy they add is a tiny fraction of what the thing needs to move.
https://youtu.be/DDmeqLEB9c0
Edit: oops, I’m combining two of his vids in my head, this one is just solar not pedals.
Are you taking about the Aptera from the video you linked?
If so, the Aptera doesn't have pedals like a bicycle. It's a fully electric vehicle (or it will be if it reaches production).
Ah crap, you’re right - that’s another video of his, apologies