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Sunday 23 January 2011

Cardboard Stove Modification - Test #1

 So after i made the mod, i decided to test its efficiency...I tried to do a somewhat controled boil test. I chose the pot...my trusty 1$ worth of chinese steel pot was perfect because it had quantity markings(in ml) hammered and i tested its contets first...
The pot itself weighs 112grams... it's a trifle....
Zeroed the scales...

And added 500ml of water...(the markings were true..what do you know?)
Then i lighted the stove at the hour shown on the kitchen clock...14:20....
I installed a small wick for better lighting...
I didn't wait long before i mounted the stove on the pot, because i didn't want to have a strong flame as it would make mounting a bit finicky...i did the test outside but i forgot the camera inside...Time from first lighting to rolling boil....11 minutes.. Yep! 11 minutes, looked at the clock and it read 14:31...
You can see from the above photo that the water has boiled really good...but there was one side effect i didnt expect...the stove started to burn very, very efficiently(yes double very...) after 3-4min since i lighted it but it produced some amount of smoke when it burned inside the Modded Can... The excellent flow of air was evident by the shape of the flame and the heat that was emmited...

Important : I was holding the pot with my hand the whole time!! This means that even when you are on some slope or there is snow everywhere and you must have a fire of sorts this setup works fine. If you have one of those pot handles you can attach this stove to an even larger pot and just hang it from a tree... the stove works great!

Now i have some theories about the smoke and there will be more tests as this project evolves...
1. the position of the stoveand the flame is too near the pot...its like a lighter or candle when you move an object at a certain position over the flame they produce this kind of smoke...i will try different positions of the can and stove...
2. the wax used to fill the stove makes the gunky smoke appear...I dunno...maybe i used cheap wax...
Anyways if you have any theories or ideas let me know as i am willing to try them to get a unified result on this...Post your comments and/or Follow if you like...

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