A guide to making a pico turbine wind generator. It is charging nicad. 10 cm diameter, 1 - 6ma into the battery. Step by step instructions below and in the video: http://www.scraptopower.co.uk/alt-energy/upcycle-pc-fan
A guide to building a can beta engine. Part 2 is here : http://www.youtube.com/watch?v=5m09CJFdERc Templates are on my website : www.scraptopower.co.uk/ Materials needed : 1 x M6 x 15 Machine screw (not stainless) 2 x M6 x 20 Washers 1 x M6 nut 1 x Balloon (I used a wedding balloon) 1 x 300mm piece of 1mm wire (for the con rod) 1 x 200mm piece of 1.6mm wire (for the cranks) 1 x Roll of Steel wire wool 1 x 200mm piece of 0.45mm fishing line 5 x Electrical Screw blocks / terminal blocks/ choc blocks 1 x Epoxy resin 1 x tuna tin 2 x Drinks cans (Steel works better)
Here's how to make a charming little embossed metal box out of an aluminium drink can. It's really easy to do and requires no special tools. The edges of the metal can be quite sharp though, so watch your fingers!