The SP80, a 40-foot carbon-fiber experimental boat, is using giant kite sail to propel it across the water at over 80 knots ...
With a new top speed of 51+ knots (95 km/h), the SP80 boat joins the exclusive group of sailboats capable of surpassing the mythical 50-knot barrier. The team continues to make progress and aims to ...
Use the leftover string already on your kite to tie the pyramids together ... kite and the middle of the kite (at the back) and tie a knot ...