Fastest upwind speed in a propeller-powered land yacht

Fastest upwind speed in a propeller-powered land yacht
Who
Rick Cavallaro
What
2.1 total number
Where
United States (Tracy, CA)
When
The fastest upwind speed reached by a propeller powered land yacht is 2.1 times the prevailing wind speed. The vehicle (Blackbird) was designed and built by Rick Cavallaro (USA) and John Borton (USA), and was piloted during the attempt by Rick Cavallaro on 16 June 2012.