this post was submitted on 06 Jul 2023
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How to build a solar oven with cardboard boxes, tin foil and plexiglass (solarcooking.fandom.com)
submitted 1 year ago* (last edited 1 year ago) by frankPodmore@slrpnk.net to c/food@slrpnk.net
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This looks like a fun little project that I think people here would enjoy! I have a little stack of tin foil takeaway boxes that I could use for this. Just need to get hold of the plexiglass (or the oven bag they suggest, but I'd like to do it entirely with reusables if possible).

EDIT: Grammar.

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[–] MxRemy@lemmy.one 3 points 1 year ago (1 children)

I've done this and it definitely works, but it's also finicky for sure. What I'd really like to know is how to build a DIY evacuated tube. AFAIK, the current very best designs for a solar oven use one, and almost nobody seems to manufacture the things.

[–] frankPodmore@slrpnk.net 2 points 1 year ago (1 children)
[–] MxRemy@lemmy.one 2 points 1 year ago* (last edited 1 year ago)

Yeah exactly! I'm not sure how they're made... Maybe like a vacuum chamber that is also a glovebox? So you could put the tube+lid in the chamber, evacuate the atmosphere, use the gloves to apply the lid, then release the vacuum? Do gloveboxes work under vacuum?