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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.

in reply to Elena ``of Valhalla''

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''

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.

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Elena ``of Valhalla''

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.)

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Elena ``of Valhalla''

This is the model I used before I started designing mine

solarcooking.fandom.com/wiki/F…

in reply to Elena ``of Valhalla''

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

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