On 8/18/20 8:48 PM, George Mullineaux via EV wrote:
There will also be a difference based on the load and type of trailer. Am I
hauling round bales of hay, square bales of hay or a tractor? Am I pulling a
flatbed, enclosed, are the wheels under the trailer or exposed? Not all
trailers and loads are equal, so for a manufacturer to rate their vehicle, I
would suspect they would need a considerable number of different trailers and
loads to test. Once this was calculated, they would have to choose the number
to use; the worse, the average, the mean or some other number.
You point out a market opportunity.
Back before SuperChargers were pervasive, I bought a teardrop to pull
behind my 2013 Tesla. I had planned to do a lot of cross country travel
and spend a lot of time in RV parks waiting out charges. The tear drop
was to offer a comfortable waiting/sleeping area. I shopped for
something very low drag but came up empty. I could not even find any
LRR tires to fit the trailer. The trailer has a range penalty of about
30%; the more frequent charge stops negated the value of the comfort
while waiting out charges. In addition, the SuperCharger network was
built out FAR faster than I expected.
I now would jump on a cargo trailer that has a low range penalty. I
imagine a clamshell top, a smooth bottom, small wheels with LRR tires
under rather than beside the trailer body. Total loaded weight of
1500-2000 pounds. Width and height not to stick out from the car.
Ability to serve as a sleeping pod would be a very big plus.
I can sleep fairly comfortably in an S (and, I presume, an X and Y), but
not the 3 I'm currently driving. I very much like the size and the
faster (and free) charging of the 3.
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