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3_tons's avatar
3_tons
Explorer III
Mar 15, 2021

Big News! Off the shelf Li down to -140C!...(on Mars - lol!)

With just a ‘few tricks’ from NASA - Truly some uber synergetic and ‘MIND BENDING’ Technologies at play!! https://www.youtube.com/watch?v=kb96kb_Nfxk (Solid proof that at least some of our tax...
pianotuna's avatar
pianotuna
Nomad III
Mar 15, 2021
Hi 3 tons,

I think it is -90 C (-130 f). Still quite a feat.

The batteries are being charged to 35% of their total capacity, and do have heaters.

It is certainly quite a torture test.

"Helicopter Warm Electronics Box, or HWEB. This box dangles between the helicopter landing legs and uses a combination of thin-film heaters and a layer of polyamide insulation to both absorb as much solar thermal energy as possible while reducing heat loss from the inside of the HWEB to the Martian atmosphere."

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