http://www.instructables.com group feed Sat, 26 May 2012 15:51:10 UTC BLOX v1.01 http://www.instructables.com/id/Jig-for-designing-solar-cooker-reflectors-for-unat/ http://www.instructables.comhttp://img.instructables.com/files/deriv/FAQ/0UPS/G23UTZPE/FAQ0UPSG23UTZPE.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FAQ/0UPS/G23UTZPE/FAQ0UPSG23UTZPE.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FAQ/0UPS/G23UTZPE/FAQ0UPSG23UTZPE.SMALL.jpg EH790BTG2HE0GB6 gaiatechnician I tried this on a small scale model and then scaled up. It can better be  used on a larger scale. You could also  design flat parabolic "plates"  with mirrors  on a sheet of  plywood  to make powerful mock parabolic dishes.  (In that case only one laser shining straight down is needed) This shows ...
By: gaiatechnician

Continue Reading »]]> technology Tue, 5 Jan 2010 01:54:18 UTC http://www.instructables.com/id/Hand-Cranked-Flashlight-Mod/
Hand Cranked Flashlight Mod plus Joule Thief - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/FA1/2V4A/FWYHRWEW/FA12V4AFWYHRWEW.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FA1/2V4A/FWYHRWEW/FA12V4AFWYHRWEW.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FA1/2V4A/FWYHRWEW/FA12V4AFWYHRWEW.SMALL.jpg EXUG5WWFWYHRWEV Biotele I have a couple of hand cranked flashlights laying around and I was never satisfied with their performance.When I got them fresh out the box they worked great. But when their batteries ran out it was too exhausting to recharge the batteries manually. And after a couple of years, it was almost imposs...
By: Biotele

Continue Reading »]]> Tue, 5 Jan 2010 01:54:15 UTC http://www.instructables.com/id/Compound-solar-cooker/
Kyoto trough solar cooker mimics a parabolic dish without a thousand cuts! - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/FP2/DC7F/FUI0XFX8/FP2DC7FFUI0XFX8.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FP2/DC7F/FUI0XFX8/FP2DC7FFUI0XFX8.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FP2/DC7F/FUI0XFX8/FP2DC7FFUI0XFX8.SMALL.jpg EBOZ5UUFTY4BSGO gaiatechnician The kyoto trough uses troughs with their curvature at right angles to each other to mimic a parabolic dish. Bending and cutting sheet material to make the trough requires as little as 2 cuts of the sheet material.. On the other hand Cutting sheet material to make a parabolic dish is a massive undert...
By: gaiatechnician

Continue Reading »]]> workshop Tue, 5 Jan 2010 01:54:09 UTC http://www.instructables.com/id/Charge-Your-Cellphone-Using-Wasted-Heat/
Charge Your Cellphone Using Wasted Heat (and Build a Steampunk Wall-E) - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/F15/1L2G/FT7PRNPC/F151L2GFT7PRNPC.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F15/1L2G/FT7PRNPC/F151L2GFT7PRNPC.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F15/1L2G/FT7PRNPC/F151L2GFT7PRNPC.SMALL.jpg EJPTI9HFT7PUSVA splitreaction We updated the instructable with a new implementation you can build without spending all that money on those expensive seebeck generators. This one uses Peltiers in reverse to generate rather than cool. They aren't as efficient but they are much more affordable. Plus most of the parts required are ...
By: splitreaction

Continue Reading »]]> technology Tue, 5 Jan 2010 01:54:05 UTC http://www.instructables.com/id/How-To-Make-A-Tesla-Turbine-Greenest-Turbine/
How To Make A Tesla Turbine (Greenest Turbine) - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/F06/OQC1/FRXW6YGT/F06OQC1FRXW6YGT.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F06/OQC1/FRXW6YGT/F06OQC1FRXW6YGT.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F06/OQC1/FRXW6YGT/F06OQC1FRXW6YGT.SMALL.jpg EMAJRSSFROA0UQ9 CrazyMachinist94 If you like this instructable please vote for it in the Epilog Challenge coming up. I have spent alot of time and effort trying to make this easy to understand and easy for anyone out there to do. I hope you enjoy and please rate and vote. This Instructable will show you how to c...
By: CrazyMachinist94

Continue Reading »]]> technology Tue, 5 Jan 2010 01:53:54 UTC http://www.instructables.com/id/Use-software-to-design-a-better-solar-cooker/
Software for solar design. Help improve the explanation. - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/F4C/WVA3/FS6PQ190/F4CWVA3FS6PQ190.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F4C/WVA3/FS6PQ190/F4CWVA3FS6PQ190.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F4C/WVA3/FS6PQ190/F4CWVA3FS6PQ190.SMALL.jpg ENRGYWCFRD83O9J gaiatechnician It IS working! 2august 2009 and the latest scene file is wfunnelandotherstiltedforward and is available for download and improvement belowhttp://blip.tv/file/2429375/ is the latest how to about using the art of illusion software.check it out! (It is 11 minutes but worth it and I could not edit the ...
By: gaiatechnician

Continue Reading »]]> technology Tue, 5 Jan 2010 01:53:51 UTC http://www.instructables.com/id/Compound-parabolic-dish-making-a-template-with-te/
"Compound" parabolic solar cooker, make a template with technical drawing - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/FZI/GJSC/FOHU3P97/FZIGJSCFOHU3P97.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FZI/GJSC/FOHU3P97/FZIGJSCFOHU3P97.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FZI/GJSC/FOHU3P97/FZIGJSCFOHU3P97.SMALL.jpg E8TYIUPFOHU3P4K gaiatechnician Compound parabolic dishes have a super advantage over parabolic dishes. You rarely have to reposition them as the sun moves. So you can leave them unattended for long periods!There are many possible compound parabolic dish configurations and rather than me try to satisfy everyone, I though it would...
By: gaiatechnician

Continue Reading »]]> technology Tue, 5 Jan 2010 01:53:39 UTC http://www.instructables.com/id/wind-powered-ametek-30-wind-generator/
Wind powered ametek 30 wind generator - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/F1R/P2HL/FOD7XT6P/F1RP2HLFOD7XT6P.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F1R/P2HL/FOD7XT6P/F1RP2HLFOD7XT6P.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F1R/P2HL/FOD7XT6P/F1RP2HLFOD7XT6P.SMALL.jpg EP36G83FOD7XT7E aleutianwind This is a wind generator that I built with 2 Ametek 30 Motors. It is still in the experimental stage, with 3 blades on 1 and 4 0n the other. The 4 blade prop has a saw blade for a hub (Not recomended) . I will be using the 4 blade setup on the ones I am building now, along with an aluminum hub. I am...
By: aleutianwind

Continue Reading »]]> workshop Tue, 5 Jan 2010 01:53:44 UTC http://www.instructables.com/id/Intelligent-Solar-Garden-Light-Part-2/
Intelligent Solar Garden Light - Part 2 - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/FFT/7Z14/FN84RG2O/FFT7Z14FN84RG2O.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FFT/7Z14/FN84RG2O/FFT7Z14FN84RG2O.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/FFT/7Z14/FN84RG2O/FFT7Z14FN84RG2O.SMALL.jpg EL1D76NFN82TWL7 zzpza Continuing from part 1In this part I'm adding a PIR sensor.
By: zzpza

Continue Reading »]]> technology Sun, 9 Nov 2008 14:24:45 UTC http://www.instructables.com/id/Intelligent-Solar-Garden-Light-Part-1/
Intelligent Solar Garden Light - Part 1 - More DIY How To Projects]]> http://www.instructables.comhttp://img.instructables.com/files/deriv/F4Z/178I/FN82TJO8/F4Z178IFN82TJO8.SQUARE2.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F4Z/178I/FN82TJO8/F4Z178IFN82TJO8.SQUARE.jpg http://www.instructables.comhttp://img.instructables.com/files/deriv/F4Z/178I/FN82TJO8/F4Z178IFN82TJO8.SMALL.jpg EGKN5RFFN82TJNZ zzpza I bought a solar powered garden light. The solar panel charges the batteries and when it gets dark the lights (3x LEDs) turn on until it either gets lights again or the batteries run out.It has a small amount of intelligence (turns on when dark off when light) but not enough! Time for some upgrades....
By: zzpza

Continue Reading »]]> technology Sun, 9 Nov 2008 14:24:41 UTC