Monark 700 vs Rob Roy 23
How do the Monark 700 and Rob Roy 23 compare? Below, their dimensions, displacement, sail area and the standard design ratios side by side, followed by a data-driven summary.
Monark 700 
Rob Roy 23 | Monark 700 | Rob Roy 23 | |
|---|---|---|
| Length overall | 22.6 ft6.90 m | 22.7 ft6.91 m |
| Waterline length | 19.7 ft6.00 m | 21.0 ft6.40 m |
| Beam | 8.2 ft2.50 m | 6.9 ft2.11 m |
| Draft | 4.3 ft1.32 m | 4.7 ft1.42 m |
| Displacement | 3,086 lb1,400 kg | 2,800 lb1,270 kg |
| Ballast | 1,323 lb600 kg | 900 lb408 kg |
| Sail area | 231 ft²21.5 m² | 255 ft²23.7 m² |
| SA / Displacement | 17.44 | 20.54 |
| Displacement / Length | 180 | 135 |
| Comfort ratio | 14.1 | 15.3 |
| Capsize screening | 2.25 | 1.96 |
| Hull speed (kn) | 5.9 | 6.1 |
| Average used price | €4,500 | — |
Monark 700 vs Rob Roy 23: the short version
- The Monark 700 and Rob Roy 23 are close in length (22.6 ft6.90 m vs 22.7 ft6.91 m ).
- The Monark 700 is heavier, displacing about 10% more, which usually means a steadier but slower-to-accelerate hull.
- On sail area/displacement the Rob Roy 23 carries the more powerful rig (20.5 vs 17.4), favouring lighter-air performance.
- The Rob Roy 23 scores higher on the Brewer comfort ratio, suggesting an easier motion in a seaway.
- By the capsize screening formula the Rob Roy 23 rates better for offshore work (1.96 vs 2.25).
Ratios are guidelines computed from published specs; condition, layout and gear matter as much as the numbers.