Extruded strut, fuselage and front wing assembly for towable hydrofoil

Abstract

A towable water sports device having a hydrofoil assembly including a strut, fuselage and front and rear blades carried by the fuselage wherein said parts are extruded aluminum.

1 . In a water sports device for supporting a seated human rider while said rider and device are towed behind a powered watercraft, comprising: an elongate board having a front end and a back end; a seat secured to said board for supporting the buttocks of a seated rider at a position spaced above said board; a holder spaced toward the front end of said board from said seat for securing at least one foot of said rider over the top of said board; an elongate strut perpendicular to and extending downward from said board; a fuselage having a forward end and a rearward end fixed at a point between its forward end and rearward end to said strut at a position spaced below said board; a forward planing wing or blade secured proximate the forward end of said support, generally parallel to said board, wherein said forward planing wing or blade has a generally flat upper face and a generally flat lower face; and a rear planing wing or blade secured proximate the rearward end of said support, generally parallel to said board, wherein said rearward planing wing or blade has a generally flat upper face and a generally flat lower face; 
 the improvement wherein at least said strut and fuselage are made of extruded aluminum alloy.    
   
   
       2 . The water sports device of  claim 1  wherein the strut, fuselage and front and rear planing wings are made of extruded aluminum.  
   
   
       3 . The water sports device of  claim 2  wherein the strut, fuselage and front rear planing wings are provided with an anodized surface.  
   
   
       4 . The water sports device of  claim 1  wherein the strut has a lower end which is received in an opening in the fuselage.  
   
   
       5 . The water sports device of  claim 4  wherein the strut is heliarc welded to the fuselage.  
   
   
       6 . The water sports device of  claim 1  wherein the extruded aluminum is an M 6000 series.  
   
   
       7 . The water sports device of  claim 6  wherein the extruded aluminum is M 6061.