Microsail vs Tonic 23
How do the Microsail and Tonic 23 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Microsail 
Tonic 23 | Microsail | Tonic 23 | |
|---|---|---|
| Length overall | 18.0 ft5.50 m | 24.0 ft7.32 m |
| Waterline length | 16.4 ft5.00 m | 20.3 ft6.19 m |
| Beam | 8.0 ft2.45 m | 8.1 ft2.47 m |
| Draft | 3.6 ft1.10 m | 4.5 ft1.37 m |
| Displacement | 1,323 lb600 kg | 2,932 lb1,330 kg |
| Ballast | 507 lb230 kg | 1,058 lb480 kg |
| Sail area | —— | 316 ft²29.4 m² |
| SA / Displacement | — | 24.68 |
| Displacement / Length | 134 | 156 |
| Comfort ratio | 7.5 | 13.0 |
| Capsize screening | 2.93 | 2.26 |
| Hull speed (kn) | 5.4 | 6.0 |
Microsail vs Tonic 23: the short version
- The Tonic 23 is the larger boat at 24.0 ft7.32 m LOA versus 18.0 ft5.50 m for the Microsail.
- The Tonic 23 is heavier, displacing about 122% more, which usually means a steadier but slower-to-accelerate hull.
- The Tonic 23 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Tonic 23 rates better for offshore work (2.26 vs 2.93).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.