SNAPDRAGON 21

SNAPDRAGON 21

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Twin Keel
Rigging Type: Masthead Sloop
LOA: 21.00 ft
LWL: 18.00 ft
S.A. (reported): 188.00 ft²
Beam: 7.25 ft
Displacement: 2,200.00 lb
Ballast: 950.00 lb
Max Draft: 2.50 ft
Construction: FG
First Built: 1970
Builder: Thames Marine (UK)
Designer: Thames Structural Plastics/Thames Marine

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 17.82
Bal. / Displ.: 43.18
Disp: / Len: 168.41
Comfort Ratio: 12.85
Capsize Screening Formula: 2.23
Hull Speed: 5.69 kn
Pounds/Inch Immersion: 466.29 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Sailboat Links

Builders: Thames Marine (UK)
Associations: Snapdragon, Mirage and Invaders Association
Download Boat Record:

Notes

A standard keel model was also available: Draft = 3.25'.
Later became COLVIC SAILER 21.