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Sailboat Specifications for SIRIUS 21/22

Technical Specifications

Hull Type
Swing Keel
LOA
21ft.
6.4m.
LWL
18.75ft.
5.72m.
Beam
7.92ft.
2.41m.
Draft(min)
1.3ft.
0.4m.
Draft(max)
5ft.
1.52m.
Displacement
2000lbs.
907kgs.
Ballast
525lbs.
238kgs.

Production

Designer
Vandestadt
Builder
Vandestadt and McGruer Ltd.
Construction Material
Fiberglass
Production Start
1977
Production End
1987
Total Number Built
500

Rigging and Sails

Rig Type
Masthead Sloop
Listed Sail Area
205sq.ft.
19.04sq.m.
Fore Sail Area
106.25sq.ft.
9.87sq.m.
I
25ft.
7.62m.
J
8.5ft.
2.59m.
E
9ft.
2.74m.
P
22ft.
6.71m.
Sail to Displacement Ratio
20.74

PHRF Rating

High
243
Low
264
Average
252
Source
US Sailing
More Details
Rig Dimensions

Performance Calculations

Maximum Hull Speed
5.8 kts.
Capsize Screening Formula
2.51
Sail Area/Displacement (SA/D)
20.66
(Racer)
Displacement/Length (D/L)
135.45
(Light Displacement)
Motion Comfort Ratio
9.44

Note: The performance calculations are theoretical numbers which are calculated off the specifications of the vessel and should be used for educational purposes only. For actual performance statistics contact the manufacturer of the vessel.

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