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Hi Seggy, there is no insulation on the sides. Hope you can join us for the live Zoom event on September 9th to hear directly from Ivan. He will be our guest and time will be set aside for Q & A. Here is the link to pre-register - bit.ly/4fXLEvq
Outstanding video. It is a complete instruction for making Jiko fuel efficient cookstove. He demonstrates so well that anyone anywhere now has the power to make one of these cookstoves.
Thank you for watching the video! Yes, that would be the optimal choice. This client selected having a window put in instead. Through its design, this oven takes indoor cooking with wood or charcoal in the direction of less smoke inside. Placement of a window nearby, as the narrator said, is not the preferred choice, but it is an option for clients.
Hey, nice work ! Can I get more explanation on the parabola formula? what is your unit for x? is it mm or 50mm ? if it is 50, what would be the equivalent for a mm based parabola formula ?
Easiest way to build a parabola: Pick your focal point. put the pot there. take a small mirror (not too wide and higher than its width) and put it behind the pot. The pot is between your eyes and the mirror, the Sun is right behind your head. Depth of the parabola will depend from how far behind the pot you put the mirror at this stage. The farther you put it, the shallower the parabola will be. Draw a line at the mirror bottom. Move the mirror left/right one mirror width, angle it so you can see the pot again. This time forge the pot. Your head is between the mirror and the Sun. The pot will fall to the left/right. Draw the line at the mirror bottom again. This line has to be the continuation of the first one. Do this again and again to the left and right all the way to the edges of the parabola bottom material. Experiment, so that the parabola depth suits you. No tools or knowledge needed. Just a pair of eyes, a mirror and a pencil.
