Gregory's ServerSoaked dried chickpeas overnight, perfectly solar-cooked in about 1h30. No steam inside the boat, no fuel used. After an hour we re-oriented the reflectors.
Next, we'll try rice and bread.
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 @calutron unlikely, but who knows, it will reduce our consumption of LGP considerably in the short term. I think we're satisfied to have found a way to stretch the length of time we can stay away without refueling, and a bit of redundancy for cooking since our inverter and battery bank are not powerful enough to drive an induction plate.   🌻 I'll stop freakin' out about this soon, promise. Made some pasta sauce(ground beets, tvp, kale, garlic, zataar) and left it out for 45 minutes in the vacuum tube, in the afternoon sun. Turned out so good.  @neauoire every time you post about this i think of the Mr. Wizard's World (80s kids science show) episode where he cooks breakfast on a variety of solar contraptions, including some shiny metallic funnels on sticks! 8 year old me thought it was the coolest, of course, but these vacuum tubes are even more neat. The episode is available here: https://www.youtube.com/watch?v=3bObVFVu_3A @neauoire it's really cool tech, i first found it through Kirstren Dirksen video of a nomadic shepherd (13:30 onward) @lrlna we tried it only once overcast(it has been sunny recently), and it still worked, but it took almost twice as long. @neauoire same concept is used for more industrial power generation using these vacuum tubes filled with oil that would then get used to generate steam I believe as a source of power for turbine electricity generation. You’d have a small field filled with one long long tube in a single closed system. Did one summer internship at a renewable energy research facility and it was fascinating I learned so much.
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@lrhodes that was the first thing we tried :) and yes. @moonglum the tray has a standard bolt fitting at the end, and we can screw on a round scrub pad. We've been using it twice a day everyday this week, and each time we use it, the steam seems to clean the left-over of what we cooked before. 
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@jfmblinux aliexpress sells them, there's a bunch of outlets depending on your location.  @geography yeah, we made potatoes with olive oil as one of the first recipes we tried.   |
@neauoire This is so cool do you think this would work as a total replacement cooking method vs gas?