TANGAROA MK IV

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Catamaran (no boards/asym.)
Rigging Type: Cutter
LOA: 35.50 ft / 10.82 m
LWL: 28.50 ft / 8.69 m
S.A. (reported): 410.00 ft² / 38.09 m²
Beam: 19.00 ft / 5.79 m
Displacement: 4,000.00 lb / 1,814 kg
Max Draft: 2.08 ft / 0.63 m
Construction: Marine ply
First Built: 1975
Builder: Various
Designer: Wharram

Accomodations

Headroom: 6.17 ft / 1.88 m

Sailboat Calculations

Definitions
S.A. / Displ.: 26.11
Disp: / Len: 77.14
KSP: 0.85

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Designers: James Wharram
Download Boat Record:

Notes

One of the Classic range designs.
The Veed hull shapes with special shaping along the fine keel give all the lateral resistance needed, so no complex dagger boards or projecting keels.
The first commercial design was the Mk I. 486 plans for the Mk I were sold:
LOA: 34 ft / 10.36 m
LWL: 28.5 ft / 8.76 m
The Mk IV was the redesign with more freeboard, wider hulls, full standing headroom and a redesigned sail rig.
Hull beam: 5.67 ft / 1.73 m.
Max sail area: 680 sqft / 63.2 sqm