Of some historical value as I was the first to show that sailing in a wing was much faster, +20%, than the then current, for 70 years, skate sails. First successful Sail-in-Wing Skate Sail. High Speed Wings, 200 km/h. Extremely Tall, 1 ft, 37 cm, skates. Two TV Programs, Videos, Photos, Drawings, Diaries, Notes. For Museums, Collectors....