Sirius 22 vs Spindrift 13
How do the Sirius 22 and Spindrift 13 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Sirius 22 
Spindrift 13 | Sirius 22 | Spindrift 13 | |
|---|---|---|
| Length overall | 21.0 ft6.40 m | 13.3 ft4.06 m |
| Waterline length | 18.8 ft5.71 m | —— |
| Beam | 7.9 ft2.41 m | 5.2 ft1.58 m |
| Draft | 5.0 ft1.52 m | 3.0 ft0.91 m |
| Displacement | 2,000 lb907 kg | 205 lb93 kg |
| Ballast | 525 lb238 kg | —— |
| Sail area | 205 ft²19.0 m² | 100 ft²9.3 m² |
| SA / Displacement | 20.66 | 46.02 |
| Displacement / Length | 135 | — |
| Comfort ratio | 10.1 | — |
| Capsize screening | 2.51 | 3.51 |
| Hull speed (kn) | 5.8 | — |
Sirius 22 vs Spindrift 13: the short version
- The Sirius 22 is the larger boat at 21.0 ft6.40 m LOA versus 13.3 ft4.06 m for the Spindrift 13.
- The Sirius 22 is heavier, displacing about 876% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Spindrift 13 carries the more powerful rig (46.0 vs 20.7), favouring lighter-air performance.
- By the capsize screening formula the Sirius 22 rates better for offshore work (2.51 vs 3.51).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.