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Bert

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Reply with quote  #1 
I started on a solar oven. Was bored with being stuck inside witn minus zero weather.
It wasn't easy not being able to use my regular tools inside the garage.
I made the inside cooking container with aluminum flashing. I would recommend aluminum coil trim instead as it's heavier gauge or maybe steel.

I had to rig up a homemade brake to bend it.

IMG_20180104_122413352.gif 
IMG_20180104_165523433.gif 

The bolts with the wingnuts inside will keep the pot/food level as I tilt the solar cooker toward the sun.

IMG_20180104_165534518.gif 
Eventually I will have it on a 4x4 outside with a vertical tilt adjustment and will be able to rotate it horizontally using this,

IMG_20180104_122546831.jpg 
I put some high temp insulation on the outside against the metal and added about 1-1/2 of polisio on top of that.

IMG_20180106_133158907.gif 

I still have to add the wood sides and the top trim were the clear door will go.
Then onto the reflectors.



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Bert K.
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gbwillson

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Reply with quote  #2 
A solar Easy Bake Oven? Nice!!! It will be interesting to see how hot will get and also how consistent the temp inside is.

Greg in MN
Gordy

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Reply with quote  #3 
Bert,

Any thoughts about putting a tracker on it?

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Gordy,
Minnesota
Bert

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Reply with quote  #4 
Greg,

This is fun to build but frustrating at times. Money is tight so I have to get creative. [smile]
Hoping this will get to 350F in the summer but anything over 180F is suppose to cook. It will probably be more like a slow cooker than a oven.

Gordy,

I have thought about a tracker. They sell them on Amazon that's made for a solar oven for about $70.00 but it only tracks horizontal.  I could try making one.
At first I will probably be the tracker. [smile] 

Many people just set it up to point at solar noon in the morning and come home to a cook meal. The food is suppose to taste a lot better than regular cooking. I will usually be home so I can reset it over 30 to 60 minutes if I want.

Here is a playlist on youtube I put together of some interesting solar cooker builds and cooking if anyone is interested.

https://www.youtube.com/playlist?list=PLb6tfWkLMOSkP3A71u3Kb7xX9WdAB7G-J

Here is a good site that explains how to make reflectors and what angle depending on their length.
https://rimstar.org/renewnrg/how_design_solar_cooker_sun_reflector.htm

Here is a guy that gave me the idea of putting it on a post with a rotator and tilt design.

http://www.solarslowcooker.org/modified.html

I've been watching a lot of videos and reading about solar ovens the last several weeks.



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Bert K.
Michigan

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dbc

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Reply with quote  #5 
Bert,  I have made a few solar cookers, both box and reflector types.  They're a lot of fun to make and use, and the food really does taste great.  Sometimes you have to be willing to eat dinner at 2pm though.

Another good info source is Solar Cookers International.  The Wiki tab has a 'Build a Solar Cooker' section with many different designs.

Is the inside of your box going to be shiny?  That's most common, although I have seen some with black interior too.  The lightweight black-enameled steel pots (like for camping, etc.) work well in solar cookers.
Bert

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Reply with quote  #6 
I'll check out Solar Cookers International. Thanks!

I want the inside to be dark but I didn't want to paint it. Not sure if it would off gas at the higher temps.
I was planning on lining it with various dark cookie sheets, broiler pans or whatever I can come up with. May take a bit longer to preheat that way.

They have silicone oven liners but not sure how good they are and if they would be safe.

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Bert K.
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dbc

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Reply with quote  #7 
What about cinefoil or blackwrap for a lining?
Bert

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Reply with quote  #8 
Don,

I was thinking about cinefoil. Probably still have some. I'm not certain if it would off-gas at the higher temperatures.
Haven't found any testing done on that.
The photographer's lights would be hot but the cinefoil may be enough distance from them.


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Bert K.
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Bert

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Reply with quote  #9 
Here's a video of the All American Sun Oven and what an owner did to make it easier to rotate.


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Bert K.
Michigan

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Bert

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Reply with quote  #10 
A little more progress.

solarcooker-progress.jpg 

Thinking about painting the corners black.

The unpainted wood will be painted black and will be use for the tilt pivot point.


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Bert K.
Michigan

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