Cooling System Drag variability (some examples)

[aerohead]

Originally Posted by Autobahnschleicher

The big issue with trucks isn't just their bad CD, it even gets multiplied by their large frontal area.
And since electric motors don't gain efficiency under load like internal combustion engines do, the issue will be more significant with electric trucks.
If you compare the CDA of a Tesla Model S with that of such a truck without a cover, you will see that the truck will get less range out of a certain sized battery on a highway driving the speed limit.
And that's where range matters the most to the average consumer.

1) statistics suggest that 95% of all light duty trucks are sold on an emotional basis, not logic or reason.
2) the media present trucks in an emotional setting. They'll never tell you that you'd be stupid to by one. Their job is to make a banker richer. And automakers are 'bankers' as well as automobile manufacturers, since duPont -General Motors began it's reverse-savings account auto financing with GMAC, long, long ago.
3) the automotive fleet is going to be electrified on account of climate change.
4) range is an issue.
5) if automakers produce Watt-guzzlers as they have gas-guzzlers, then larger battery packs will be the norm, until energy densities improve. Which they are.
6) a large CdA can have an advantage when towing, as the trailer can be embedded within the large turbulent wake of the truck.
7) we knew from NASA, in 1980, that the truck should have the same frontal area as the trailer, and no gap, for maximum aerodynamic efficiency. Tesla's Semi offers this technology, hiding in plain view.
8) 95% of BEV pickups will never have any technical range issues. Only psychological range issues.
9) even at around 6,000- pounds, 36-square-feet of frontal area, and Cd 0.30, it's quite straightforward to lower the Cybertruck's power requirement to below that of the Model S. It's just a matter of priorities. Technical feasibility is just lying there, untapped. Physics.

[JulianEdgar]

Originally Posted by aerohead

You're on the right track. Thermodynamics clearly supports your line of thinking.
Virtually cherry-picked quanta, from two sources, cannot possibly represent the entire spectrum of BEV cooling system drag percentages.
Expect context. Conditions. Thinking people demand no less.

Gosh you make things up.

Cherry picking? Hardly. I am using the only two published examples of the data I have been able to find, and you (and no one else here) has managed to find any more.

That the discussion has confusingly morphed into BEV cooling drag vs ICE cooling drag of different versions of the same cars is just par for the course. Hell, why have clarity when we can have confusion?

But then why would I expect anything else? You have years (decades?) here of making up theories, many of which have proved to be wrong.