Paul Hammant talking about stuff related to Vertical Axis Wind Turbines (VAWT), and lamenting the fact that nobody has brought the 2:1 sail-inspired design to production 110 years after the first patent was applied for.
Wednesday, July 9, 2008
1991 Meccano Windmill - from above
corresponding to a previous post here is the pictures of the windmill from above :
Its positions 1, 2, 3 and 4 (but could as easily be 5, 6, 7 and 8).