IRWIN 21 FREE SPIRIT
| Builder(s): |
|---|
| Hull Length: |
21 feet ( 6.4 meters ) |
|---|---|
| Waterline Length: |
16.5 feet ( 5 meters ) |
| Beam: |
8 feet ( 2.4 meters ) |
| Draft: |
0.84 feet ( 0.3 meters ) |
| Displacement: |
1800 lbs ( 816.5 kg ) |
| Balast: |
750 lbs ( 340.2 kg ) |
| Sail Area: |
202 ft2 ( 18.8 m2 ) |
| Hull Type: |
Drop Keel |
|---|---|
| Construct Material: |
Fiberglass |
| Rig Type: |
Fractional Sloop |
| Sail Area: |
202 ft2 ( 18.8 m2 ) |
| Displacement To LWL: |
179 |
|---|---|
| Hull Speed: |
5.4 Knots ( 6.2 miles/hour, 10 km/hour ) |
| LWL To Beam: |
2.1 |
| Motion Comfort: |
9.7 |
| Capsize Ratio: |
2.6 |
| Pounds per Inch Immersion: |
472 |
Sail Rig Dimensions
| I | E | J | P | ISP | JSP | PY | EY |
|---|---|---|---|---|---|---|---|
| 24 | 8.6 | 8 | 24.5 | 0 | 0 | 0 | 0 |
I=24
J=8
P=24.5
E=8.6
| |||||||
| 24 | 8.6 | 8 | 24.5 | 24 | 8 | 0 | 0 |
| 24.5 | 8.8 | 8 | 24.5 | 0 | 0 | 0 | 0 |
