Kite · Bow e sicurezza

2010

I kite battono l’idrofoil

I kite strappano il record assoluto di velocità al trimarano a idrofoil l’Hydroptère, e Rob Douglas lo porta a 55,65 nodi.

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Canale di velocità di Lüderitz, pianta schematica e sezione trasversale

Nel settembre 2009 i kite persero il record. Il trimarano a idrofoil l’Hydroptère di Alain Thébault, una barca che si solleva dall’acqua sui foil, navigò a 51,36 nodi sui 500 metri al largo di Hyères, in Francia.

I kitesurfisti risposero un anno dopo a Lüderitz, in Namibia. Il 12 ottobre 2010 Alexandre Caizergues navigò a 54,10 nodi con un kite da 8 metri quadrati, nettamente più veloce dell’idrofoil. Il 28 ottobre andarono ancora più veloci. Sébastien Cattelan navigò a 55,49 nodi, e quattordici minuti dopo Rob Douglas fece 55,65, migliorando di quasi sei nodi i suoi 49,84 del 2008. Alla corsa successiva cadde e si ruppe il polso.

I 55,65 nodi di Douglas restarono il record assoluto per due anni. Per batterli servì una barca costruita solo per la velocità: nel novembre 2012 Vestas Sailrocket 2 di Paul Larsen conquistò il record a Walvis Bay, sempre in Namibia, e lo portò a 65,45 nodi.

Il WSSRC data il record dell’Hydroptère al 4 settembre 2009; alcune cronache indicano il 6 settembre.