Added: 3 years ago
From: hipofalcon
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  • Hi, I am planning to make a solar oven and gluing aluminum foil to the sides of a box....do you know if the glue gets too hot from the cooking if it will cause toxic gas to contaminate the food? is there a certain type of glue i should use?

  • @HandsomeSasquatch - The outside flaps don't get warm at all, so any glue will work. For inside, Elmer's "Glue-All" white glue is what I use for all of these items and never has been a problem. If you are making a box cooker, check out my 60/30 solar oven videos - I offer free plans for these if you send me your email to mamodbasher(at)gmail(dot)com. Thanks for watching! Ken.

  • Thanks for sharing your stuff Ken :) , I was wondering if it can work with winter sun too? like 5-10 C, I am in France

  • @manhoosnick As long is there is more than 50% sun than clouds, you can use it any time.

  • @SolarizeYourLife Thank you Sir, best of luck.

  • Four people work for the oil companies

  • Did you know there is another way you can cook keep warm etc? You can produce your own methane at home I located two ways on YT one uses cow dung the other uses table scraps either way I would call it RE since you are using methane that is being produced anyway you are just collecting & burning it. Byproduct useable ferterlizer for your garden. Look in my favorites one is on the top bar the other is in there somewhere. I tried to use solarpanels and microwave not good idea too exspensive.

  • @cdltpx I was not sucessful using the microwave I got it to run a 700 watt microwave on a 1Kw inverter and saw I would require 2x more battery and solar panels I was not about to get into all that just to heat a meal. It would be like building a robot to flush the toilet why just hit the handle. Its possivle but not wise. Maybe with a generator but again if you are going to burn gas use the stove.

  • :) nice

  • I bet thats a bit of a bugger to take hiking with you though :)

  • @britfin007 So is a gas oven! hehe

  • Сколько убитой птицы пролетающей над тарелкой?!

  • Don't point it at the sky you'll melt a satellite

  • Where did you get the dish from?

  • @SolarizeYourLife - the dish is a Chinese unit from a company formerly known as Sangli. They are still available, but only if you want to buy them in quantities of at least 10. There may be a fellow in the U.S. somewhere that still sells them. Ken.

  • @SolarizeYourLife

    Couldn't you just buy a 36" satellite dish and put aluminum foil or mylar on it?

  • HI. Instead of cooking directly over the parabolic dish, is it possible to use a mirror to deflect the concentrated beam on one area where cooking will be done? I think it is safer. More so, if that's gonna be possible then we can deflect the concentrated beams from, let's say, 3 parabolic dishes to a single point where cooking can be done. Possible?

  • in theory, yes, you could for example put cylinder with internal wall coated with reflective material, in front of the parabolic focus. if the cylinder is flexible enough (or with angled connectors) you could the light to anywhere (works like fiber optics). you could use fiber optics, but i don't think any big enough and can withstand the temperature.

    however, with either medium, you will only get a small fraction of the light at output end. most lost, absorbed.

  • you cannot simply reflect the focused light with flat mirrors since it will only spread again.

    a better approach would be using a heat exchanging fluid.

    a fluid with high temperature boiling point is pump into a heat exchanger position at the focus. after sufficient temperature (say 300 centigrade), it is pump out to another heat exchanger that serves as hotplate or oven.

  • don't know why people gave this comment a low vote thats actually a great idea

  • @TheChickenrun3 They may have just wanted it to not show up in their recommended videos anymore. I sometimes have to give something that is pretty cool but that YouTube has decided I need 20 videos of a thumbs down to get less of them in my recommended, so I can get other things I am actually interested in. It's sad, but sometimes that is the only way to do it.

  • Your idea is awsome.

  • @dsalpha18 This has been done by a company in the untied stats using 2 parabolic mirrors and fiber optics, it works well with light but as soon as the dish get to a large it starts melting the fiber optics.

  • @petercawaing Sure is using fiber optics.

  • Nice job Ken

    The demo should certainly put a stop to people feeling the need to put their hand in the middle to test how hot the cooker gets.

    What's the outside temp, and what temperatures have you obtained?

    Sol-Reka

  • @riv2012 - the outside temps at the time were quite warm - likely about 27C (maybe 85F) - I can't really say what temps the dish gets to, but it boils water very quickly. A litre of cold water will be boiling in about 8 minutes. Ken.

  • thats a nice size dish there I took an 18 inch satellite dish, covered it with mylar and mirrored film, and cooked a burger in a 4 inch pan suspended from above at the focal point. It came out nice, I am trying to get the video of that to upload but it is stubborn to go in.

  • only SUN

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