THE DESIGN OF ICARUS’ HYDROFOILS
Through failure to success
James Grogono
Icarus unchanged 1979 -‐ 2014
Very ImpracNcal
First Foil Flight in UK
Small Steering and Retractable
AQ – facing Nllers
Wooden Foils – final version
Metal Foil Mount
Main Foil retracted
Main Foil in place
Princess Anne looks puzzled
WORLD SAILING SPEED RECORD 1972 – 86 Crossbow 1 and 2 Tim Colman 26 – 36 kts 1986 – 93 Windsurfers Maka/Beale/Bielak 39 – 45 kts 1993 Yellow Pages Simon McKeon 46 kts 2004 – 08 Windsurfers Maynard/Albeau 46 – 49 kts 2008 Kiteboards (various x3) 49 – 50 kts 2009 Hydroptere Alain Thebault 51 kts 2010 Kiteboards (various x2) 54 – 55 kts 2012 – 14 Vestas Sailrocket 2 Paul Larsen 59 – 65 kts
WORLD SAILING SPEED RECORDS (CLASSES) “B” Class 1972 – 77 Icarus Grogono Syndicate 20 – 22 kts 1977 Nf2 Prof Walter Bradfield 23 kts 1980 – 89 Icarus Grogono Syndicate 23 – 28 kts 1989 Tandem Peironet/Buleon 29 kts 1990 Long Shot Russell Long 34 – 38 kts 1993 Yellow Pages Simon McKeon 44 kts 2008 – 14 Sailrocket(s) Paul Larsen 47 – 65 kts
“A” Class 1972 – 83 Mayfly Hansford/Grogono/Wynne 16 – 23 kts 1983 – 89 Windsurfers (various) 25 – 35 kts 1990 – 2014 Long Shot Russell Long 37 – 43 kts