Sirius 28 vs Spindrift 13
How do the Sirius 28 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 28 
Spindrift 13 | Sirius 28 | Spindrift 13 | |
|---|---|---|
| Length overall | 28.0 ft8.53 m | 13.3 ft4.06 m |
| Waterline length | 24.0 ft7.32 m | —— |
| Beam | 9.7 ft2.95 m | 5.2 ft1.58 m |
| Draft | 4.3 ft1.31 m | 3.0 ft0.91 m |
| Displacement | 6,700 lb3,039 kg | 205 lb93 kg |
| Ballast | 2,600 lb1,179 kg | —— |
| Sail area | 379 ft²35.2 m² | 100 ft²9.3 m² |
| SA / Displacement | 17.06 | 46.02 |
| Displacement / Length | 216 | — |
| Comfort ratio | 20.0 | — |
| Capsize screening | 2.05 | 3.51 |
| Hull speed (kn) | 6.6 | — |
Sirius 28 vs Spindrift 13: the short version
- The Sirius 28 is the larger boat at 28.0 ft8.53 m LOA versus 13.3 ft4.06 m for the Spindrift 13.
- The Sirius 28 is heavier, displacing about 3168% 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 17.1), favouring lighter-air performance.
- By the capsize screening formula the Sirius 28 rates better for offshore work (2.05 vs 3.51).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.