Impulse 21
8 / 11 - score 49%
The Impulse 21 is a 21.0ft fractional sloop designed by William Cook and built in fiberglass by Johnson Boat Works (USA) since 1986.
150 units have been built.
The Impulse 21 is an ultralight sailboat which is a very high performer. It is very stable / stiff and has a low righting capability if capsized. It is best suited as a day-boat.
This boat is not a good fit for your usage.
Impulse 21 for sale elsewhere on the web:
Main features 56%
| Model | Impulse 21 | ||
| Length | 21 ft (35%) | the closest to 22.31 ft | |
| Beam | 8 ft (78%) | the closest to 8.14 ft | |
| Draft | 3.25 ft | ||
| Country | United states (North America) | ||
| Estimated price | $ 0 | ?? |
Login or register to personnalize this screen.
You will be able to pin external links of your choice.
See how Sailboatlab works in video
Ratios 84%
| Sail area / displ. | 28 | ||
| Ballast / displ. | 46.15 % | ||
| Displ. / length | 91.66 | ||
| Comfort ratio | 6.54 (84%) | the closest to 6.64 | |
| Capsize | 2.93 |
Hull
| Hull type | Monohull fin keel with spade rudder | ||
| Construction | Fiberglass | ||
| Waterline length | 18.50 ft (0%) | the closest to 20.50 ft | |
| Maximum draft | 3.25 ft | ||
| Displacement | 1300 lbs | ||
| Ballast | 600 lbs | ||
| Hull speed | 5.76 knots |
We help you build your own hydraulic steering system - Lecomble & Schmitt
Rigging
| Rigging | Fractional Sloop | ||
| Sail area (100%) | 208 sq.ft | ||
| Air draft | 0 ft | ?? | |
| Sail area fore | 80.85 sq.ft | ||
| Sail area main | 126.10 sq.ft | ||
| I | 23.10 ft | ||
| J | 7 ft | ||
| P | 26 ft | ||
| E | 9.70 ft |
Engine
| Nb engines | 1 | ||
| Total power | 0 HP | ||
| Fuel capacity | 0 gals |
Accommodations
| Water capacity | 0 gals | ||
| Headroom | 0 ft | ||
| Nb of cabins | 0 | ||
| Nb of berths | 0 | ||
| Nb heads | 0 |
Builder data
| Builder | Johnson Boat Works (USA) | ||
| Designer | William Cook | ||
| First built | 1986 | ||
| Last built | 0 | ?? | |
| Number built | 150 |
Other photos
