While this is probably something that practically no one will ever bother to do, it is interesting. … In a new video from noted Tesla internet celeb-owner Bjørn Nyland, a Tesla Model S is shown being charged through regenerative braking while being towed by a Tesla Model X.
Why would someone do this, you ask? I guess just to see what would happen. Though, I suppose that there are a few situations where this might actually be a decent option.
As noted in Teslarati‘s coverage, the Model X is rated to tow up to 5,000 lbs (2,267 kg) when combined with 20″ wheels — meaning that the Model S that’s being towed is right around the rated weight limit.
Here’s more from that coverage: “The video description notes that a single motor rear wheel drive standard 85 Model S was used in the demonstration. Because of the single motor, the amount of energy captured through the regenerative braking process was not as much as what can be achieved if towing a dual motor configuration. Also, given the length of rope used in towing the vehicle, Bjørn notes that maximum regen of 60 kW was not reached as they were limited by the speed in which they can tow at.”
Does anyone reading this who owns a Model S and Model X feel tempted to give this a try? I suppose that once Tesla gets around to making an electric truck, though, that this sort of thing might become more common.
What was the efficiency (kWh used vs kWh gained) ?
Towing long enough to build up battery range so that they could drive to a charging station?
This actually demonstrates a new type of universal charging capability. Build charging stations that use powered rollers, and any car can charge using their own regenerative capabilities. It isn’t the most effective way of charging, but it could be a great stop gap for emergency situations.
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