Windsurf · Il boom del monotipo

1978

Un brevetto per sollevare una tavola da windsurf su hydrofoil

Due americani rivendicano degli hydrofoil da agganciare che sollevano dall’acqua una normale tavola da windsurf, un’idea che avrebbe impiegato decenni a diventare la norma.

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US 4,508,046, Fig. 1 (1985) · pubblico dominio

Il 10 aprile 1978 James C. Coulter e Michael P. Shannon depositarono una domanda di brevetto per quello che chiamarono un apparecchio hydrofoil per il windsurf. La loro idea era montare unità hydrofoil staccabili sui bordi laterali di una tavola da windsurf, così che, quando la tavola prendeva velocità, i foil la sostenessero e sollevassero lo scafo fuori dall’acqua.

Il brevetto rivendica come priorità quella domanda del 1978; il deposito negli Stati Uniti è datato 8 febbraio 1984 e il brevetto fu concesso il 2 aprile 1985 con il numero US 4,508,046.

All’epoca il windsurf andava in un’altra direzione, verso tavole con gli straps per il vento forte e le onde. Il principio di questo brevetto, una tavola che vola su ali subacquee invece di planare in superficie, è quello che oggi porta i windsurfisti olimpici sull’iQFoil.