PRECISION 21

PRECISION 21

Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Keel/Cbrd.
Rigging Type: Fractional Sloop
LOA: 20.75 ft / 6.32 m
LWL: 17.50 ft / 5.33 m
S.A. (reported): 203.00 ft² / 18.86 m²
Beam: 8.25 ft / 2.51 m
Displacement: 1,875.00 lb / 850 kg
Ballast: 600.00 lb / 272 kg
Max Draft: 4.67 ft / 1.42 m
Min Draft: 1.75 ft / 0.53 m
Construction: FG
First Built: 1986
Last Built: 2019
Builder: Precision Boat Works (USA)
Designer: Jim Taylor

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 21.41
Bal. / Displ.: 32.00
Disp: / Len: 156.18
Comfort Ratio: 9.43
Capsize Screening Formula: 2.68
S#: 3.72
Hull Speed: 5.61 kn
Pounds/Inch Immersion: 515.87 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

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I: 22.70 ft / 6.92 m
J: 7.00 ft / 2.13 m
P: 23.70 ft / 7.22 m
E: 9.50 ft / 2.90 m
S.A. Fore: 79.45 ft² / 7.38 m²
S.A. Main: 112.58 ft² / 10.46 m²
S.A. Total (100% Fore + Main Triangles): 192.03 ft² / 17.84 m²
S.A./Displ. (calc.): 20.25
Est. Forestay Length: 23.75 ft / 7.24 m
Mast Height from DWL: 30.00 ft / 9.14 m

Sailboat Links

Designers: Jim Taylor
Builders: Precision Boat Works
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