Stirling engine powering a joule thief running 9 white LEDs in a igloo. This is my biggest igloo to date! Its bigger then last years! The inside dimensions are 8′ length, 5′ width, and 4′ tall. It was made from 8 inches of snow.
Last years igloo: http://www.youtube.com/watch?v=ImcNEoiKmeo
Thank you for watching!
