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William Kolkmeyer Yachts

IMPULSE 21

Impulse 21 photo
Impulse 21 drawing

Hull Type:  Fin Keel Rig Type:  Fractional Sloop
LOA:  21.00 LWL:  18.00 Beam:  8.00
Draft (max.)  3.30 Draft (min.)   Listed SA:  208
Displacement:  1300 Ballast:  
Designer:  William Cook
Builder:  Johnson Boatworks (USA)
Hull:  FG Bal. type:  
First Built:  1986 Last Built:   Number Built:  

RIG DIMENSIONS

I:  20.50 J:  7.00 P:  26.00
E:  9.70 PY:   EY:  
SPL:   ISP:  
SA(Fore.):  71.75 SA(Main):  126.10 Total(calc.)SA:  197.85
SA/Disp:  26.63 Est. Forestay Len.:  21.66

RIG DIMENSION KEY

DESIGNER

More about & boats designed by:   William Cook
Allied International Corp.