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THE DESIGN OF ICARUS’ HYDROFOILS Through failure to success James Grogono

July 8th 2014 - Presentation by James Grogono: "THE DESIGN OF ICARUS’ HYDROFOILS Through failure to success"

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Page 1: July 8th 2014 - Presentation by James Grogono: "THE DESIGN OF ICARUS’ HYDROFOILS Through failure to success"

THE  DESIGN  OF  ICARUS’  HYDROFOILS  

Through  failure  to  success      

James  Grogono  

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Icarus  unchanged  1979  -­‐  2014  

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Very  ImpracNcal  

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First  Foil  Flight  in  UK  

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Small  Steering  and  Retractable  

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AQ  –  facing  Nllers  

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Wooden  Foils  –  final  version  

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Metal  Foil  Mount  

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Main  Foil  retracted  

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Main  Foil  in  place  

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Princess  Anne  looks  puzzled  

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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    

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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