Lightyear One Solar-Powered Electric Car (Design By Heinlein)

Lightyear One is the creation of LightYear, a startup from the Netherlands. They are showing off their prototype, a slick electric car that uses solar cells on the roof and hood.


(Lightyear One quick historical intro)

The startup says that it has already sold ďover a hundred vehiclesĒ even though this isnít yet ready to hit the road, but Lightyear is aiming to begin production by 2021, with reservations available for 500 additional units for the initial release. You do have to pay Ä119,000 up front (around $136,000 USD) to secure a reservation, however.

Lightyear One isnít just a plug-in electric with some solar cells on the roof: Instead itís designed from the ground up to maximize performance from a smaller-than-typical battery that can directly grab sun from a roof and hood covered with 16 square feet of solar cells, embedded in safety glass designed with passenger wellbeing in mind. The car can also take power directly from regular outlets and existing charging stations for a quick top-up, and again because itís optimized to be lightweight and power efficient, you can actually get around 250 miles on just one night of charging from a standard (European) 230V outlet.


(Lightyear One demonstration drive)

The LightYear One car uses one of my favorite technovelgy ideas from science fiction Grandmaster Robert Heinlein - the Steel Tortoise from his 1940 novella Coventry:

He turned and commenced loading his steel tortoise. Under the romantic influence of the classic literature of a bygone day he had considered using a string of burros, but had been unable to find a zoo that would sell them to him...

The vehicle he had chosen was not an unreasonable substitute for burros. It was extremely rugged, easy to operate, and almost foolproof. It drew its power from six square yards of sunpower screens on its low curved roof. These drove a constant- load motor, or, when halted, replenished the storage battery against cloudy weather, or night travel. The bearings were 'everlasting', and every moving part, other than the caterpillar treads and the controls, were sealed up, secure from inexpert tinkering.

It could maintain a steady six miles per hour on smooth, level pavement. When confronted by hills, or rough terrain, it did not stop, but simply slowed until the task demanded equaled its steady power output.
(Read more about Heinlein's solar-powered steel tortoise ATV)

Via TechCrunch.

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