homemade solar power oven

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How to make a homemade solar powered oven?

The oven must be made from a card board box of no larger than three feet by three feet by three feet. The reflective surface must be from reflective metalized surfaces such as aluminum foil.

Don’t use aluminum foil, that’s too translucent. You can collect flat mirrors from a junkyard or use a ton of old polished CD’s or both. Basically here’s what you do:

You get an orange-brown gardening pot that’s about 1 foot tall and place it upside down in the middle of your box. Next, you take a box cutter and strip down the 4 corners of your box so that you have roughly a cross shaped structure with your pot in the middle. Next you take all your flat mirrors and cd’s and glue the reflective pieces onto the 4 wings of your cross so that every square inch of it is covered and mirrorized. Cut pieces if you have to. Just remember that you want no box to show on the upside of your wings. Basically, you have 4 solar energy panes that will be used to focus the light right above your pot onto one spot. Since your wings are flat, you aren’t done yet. You can collimate the beam so it is MUCH more powerful. This is how THAT’s done:

take one of your wings and draw a square on the inside with a sharpie marker so that it is centered. Don’t make the square too small but about like 1.6foot by 1.6 foot. Next draw lines from the corners of this square to the corners of your wing. These lines are where you’ll be cutting using a heated knife and a box cutter on the opposite side. So do that and you get 4 foldable trapezoid sections you can curl inwards. Next drill holes with a drill in the edges of these trapezoids where you’ll insert any kind of string or wire to hold the trapezoids folded inwards in place so you have a curved reflective dish.

Repeat this entire process for the other 3 wings. Next, you get 4 plastic gardening pots to prop your wings up into focus and place them under the wings so that the solar heat ray is focused into one spot directly above the orange pot.

There! Now you’ve made the most awesome mad scientist invention from The Mad Scientist himself. Have fun cooking thanksgiving turkey on it and don’t use it to fry your friends! =D

-Chris

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