How the Viper Compares
Performance and cost comparison of keelboat classes
| Viper 640 | VX One | RS 21 | J/70 | |||||
Size |
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| LOA | 21′ 11″ | 6.40 m | 18′ 11″ | 5.79 m | 20′ 11″ | 6.34 m | 22′ 8″ | 6.93 m |
| Beam | 8′ 2″ | 2.50 m | 7′ 2″ | 2.19 m | 7′ 3″ | 2.20 m | 7′ 4″ | 2.25 m |
Weight |
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| Displacement | 749 lb | 340 kg | 573 lb | 260 kg | 1433 lb | 650 kg | 1752 lb | 795 kg |
Sail Area |
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| Main & Jib (sq) | 252 ft | 23.44 m | 215 ft | 19.97 m | 265 ft | 24.6 m | 280 ft | 26.0 m |
| Gennaker (sq) | 425 ft | 39.54 m | 280 ft | 26.0 m | 430 ft | 40.0 m | 484 ft | 45.0 m |
Speed |
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| IRC Rating | 1.010 | 1.012 | 0.949 | 0.971 | ||||
| PY Number | 894 | |||||||
| PHRF | 102 | 105 | 114 | 117 | ||||
| Crew | 2-4 | 2-3 | 3-4 | 4-5 | ||||
Cost |
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| Cost | $32,950 | £19,950 | $32,950 | |||||
| ex-tax / VAT | ||||||||
| Freight (US) | included | $1,625 | ||||||
| Trailer | included | $2,250 | included | |||||
| Sails | $4,797 | $3,920 | None | |||||
| Harken fitout | included | $1,975 | ||||||
| Top Cover | ||||||||
| Total (est) | $37,747 | £30,127 | $37,555 | £29,975 | $42,720 | $50,000 | £40,720 | |
| Intro price | ||||||||
This information is accurate to the best of our knowledge and may not reflect recent pricing changes.
