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| Blogs > RockyG666 > god's servant's blog |
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solar success i might have mentioned this before, but it bears repeating. i have had some success in the pop can solar heat battlefront. i clocked 100 degrees at the top of my cardboard model on a sunny day. i was really impressed by this as it was a quickie cardboard mock up and i didn't expect much out of it. i have immediately started the production of another indoor solar furnace. i am making it out of foam to fit the window. this picture shows the beginnings of the foam furnace on the left. i am intentionally designing it so that the top of it is a shelf. liquids hold heat well, so i am going to stack a bunch of bottles of water on that shelf in hopes of retaining some of the generated heat into the evening. on the right, higher, is the cardboard model with a bunch of water bottles beneath it to try to retain some heat. the bottles are all painted flat black too so they will get maximum heat from the sun as well as heat from the furnace. i have been recording temperatures in the church through this. it seems that usually it is around 51-54 durring the mornings, and when the sun hits the windows around 11:00 it gets to 60 or so. on a really sunny day, it gets as high as 68 in the church. and these are just the temperatures without any solar help besides the window. when the sun goes down, it drops pretty quickly. back in the low 50s by 8:00, and lower as the temperature goes down outside. with the cardboard furnace, temperatures have been about 6 degrees warmer thruout the day, and they drop a little slower at night. i am very hopefull for the foam furnace. i am waiting for a drill bit that i ordered online to finish the foam furnace. 
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