Harvester Talk: Q&A

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Full battery is more than 2X larger than the Harvester battery, that is a pile of space that can easily be recovered.
Actually we were told it loses only a 1/3 so it’s gonna be tighter than people are assuming. I’m sure they can wrap around tank around an axle but risking all that for most off roaders is heading for issues with damages under the body of the vehicle. Terra will have a little more room so probably no issues but traveler will be challenging based on the side conversations that we heard during the reveal.
 
Actually we were told it loses only a 1/3 so it’s gonna be tighter than people are assuming. I’m sure they can wrap around tank around an axle but risking all that for most off roaders is heading for issues with damages under the body of the vehicle. Terra will have a little more room so probably no issues but traveler will be challenging based on the side conversations that we heard during the reveal.
OOoo

Interesting, that actually gives a lot more data than you might think. One of two main things could be happening there if that is true.

It could be referencing a different battery composition (IE, LFP vs NMC battery cells, LFP cells are cheaper and are safe to charge to 100% constantly, but are also heavier/take up more space per KWh of battery capacity).

That could also suggest that the battery size is quite a bit larger than we've been estimating (~115KWh vs ~75KWh... useable of course, so gross would be larger). Which could imply that the harvister is smaller in output.
 
Actually we were told it loses only a 1/3 so it’s gonna be tighter than people are assuming. I’m sure they can wrap around tank around an axle but risking all that for most off roaders is heading for issues with damages under the body of the vehicle. Terra will have a little more room so probably no issues but traveler will be challenging based on the side conversations that we heard during the reveal.

I think there is confusion here because there are likely two, non harvester batteries.

A base battery which might only be 1/3 larger, and have maybe 220-250 mile range, and the full 350 mile range big battery.
 
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I think if this is true it points towards my prediction of LFP..which makes sense for so many different reasons (charge recharge cycles, 100% charging, cost, etc.)
 
I think if this is true it points towards my prediction of LFP..which makes sense for so many different reasons (charge recharge cycles, 100% charging, cost, etc.)
I agree.

LFP batteries make more sense when:
  • The batteries are smaller (because they take up more space/weight per KWh of battery storage)
  • The batteries need to be charged to 100% more often
  • You want something cheap (prices on LFP batteries have come down more than any other mainstream chemestry in the last year IIRC).
All of those are true for the Harvester. So I wouldn't be surprised to see this happen.
 
We don't have those details.

But speculating from the small size of the motor, if you are driving 75 MPH, I'd bet the Generator won't be able to supply that much power, so some of it will have to come from the battery, so once you deplete the battery, you are going to have drive slower, or stop and charge. We don't know how much slower (I doubt even Scout Motors know the answer to that right now).
The Hummer EV has a 70mph highway electricity consumption of 1.5miles/kWh. So, that's a good base number to have. Energy consumption increases as the square of the speed - so a realistic 80mph consumption is 1mi/kWh. This means as long as the range extender can supply more than 80kW (107.3hp) it's fine. Now engines that need to be run continuously need to detuned by around 45% for reliability. This means you need a 200hp engine. VW already has 1.0l 3 cylinder engines that can output more.
 
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