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My shiny new¹ #solarOven, waiting for the sun to reach it.

Sadly I only have direct sun in the afternoon, so I can't cook lunch with it, but I'm making solar cooked apples for dessert this evening.

It's made of lasercut plywood with aluminium foil on one side, plus acrylic glass to completely close it, and easily disassembles flat. I still need to make a fabric cover (with a mylar layer sandwitched in) for added insulation, to make it perform a bit more like a box oven, while still having the portability advantages of a panel one.

¹ FSVO new: I've had the panels laser cut just before the lockdown, but it took me quite some time to fix some model errors and apply the tinfoil.

#solarOven
in reply to Elena ``of Valhalla''

Your friendly 'net denizen
Your friendly 'net denizen
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Very nice! I have access to a spot that gets direct sunlight in the latter part of the day. I've been meaning to try this to see if it would work.
in reply to Your friendly 'net denizen

Elena ``of Valhalla''
Elena ``of Valhalla''
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how late does the sun arrive? the best times to cook are between 10 and 14 (solar); if you completely miss that range you probably will only be able to use days that are fully sunny, and only during the summer.

My first attempt was with ovens made from cardboard boxes, so the initial “investment” isn't high, even if you discover that it doesn't work.

(also, I'm still using glass jars covered with black fabric, because I still haven't found a good pot to use.)

in reply to Elena ``of Valhalla''

Your friendly 'net denizen
Your friendly 'net denizen
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I'd have to double check, but my estimate would be we start to get sun a little after 11 (solar) and it continues until pretty late. So it sounds promising. I like your idea of trying with cardboard boxes, and thanks for the tip about glass jars and black fabric. :)
in reply to Elena ``of Valhalla''

SlowRain
SlowRain
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Cool. I didn't even know such a thing existed. You'll have to let us know what temperature it achieves. Good luck with the apples.
in reply to Elena ``of Valhalla''

Elena ``of Valhalla''
Elena ``of Valhalla''
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My first test with water got to about 80°C, but the conditions weren't ideal (and I hope that more insulation will help). I've read about other people going above 100°C (with different ovens, this one is my own experimental design).

The apples are my staple solar oven recipe (I've had a cardboard one for a few years, already): they are able to cook even on marginal days and I like them even more than apples baked in a regular oven.

in reply to Elena ``of Valhalla''

David de Groot 𓆉
David de Groot 𓆉
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Nifty. Apparently, solar ovens were a thing in the 1700s. I wonder how far back they go.

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