| 8VS | 9VS | 10VS | 12VS | 13VS | 14VS | |
| Length | "8' 6" (2.60m) | 9' 6" (2.90m) | 10' 6" (3.19m) | 12' 0" (3.60m) | 13' 0" (3.95m) | 14' 0" (4.30m)" |
| Beam | "5' 4" (1.63m) | 5' 7" (1.72m) | 5' 7" (1.72m) | 5' 11" (1.82m) | 6' 4" (1.94m) | 6' 4" (1.94m)" |
| Ins. Length | "5' 6" (1.74m) | 6' 9" (2.05m) | 7' 7" (2.30m) | 8' 9" (2.67m) | 9' 9" (2.97m) | 10' 10" (3.30m)" |
| Ins Beam | "2' 6" (0.77m) | 2' 8" (0.82m) | 2' 8" (0.82m) | 2' 9" (0.83m) | 3' 2" (0.97m) | 3' 3" (0.98m)" |
| Internal Area | 13.8 ft² (1.3m²) | 18.1 ft² (1.7m²) | 20.3 ft² (1.9m²) | 23.8 ft² (2.2m²) | 31 ft² (2.9m²) | 34.8 ft² (3.2m²) |
| Weight | 125 lb (57kg) | 143 lb (65kg) | 169 lb (77kg) | 198 lb (90kg) | 279 lb (127kg) | 323 lb (147kg) |
| Max Person Cap. | 4 | 5 | 5 | 6 | 7 | 8 |
| Tube Diameter | 16" (0.40m) | 17" (0.43m) | 17" (0.43m) | 18" (0.46m) | 18" (0.46m) | 19" (0.48m) |
| Shaft Length | 15" | 15" | 15" | 15" | 20" | 20" |
| Max Weight Cap. | 928 lb (422kg) | 1019 lb (463kg) | 1230 lb (559kg) | 1628 lb (740kg) | 1789 lb (813kg) | 2145 lb (975kg) |
| Rec HP | 8hp (6kw) | 9.9hp (7.4kw) | 15hp (11.2kw) | 20hp (14.9kw) | 30hp (22.4kw) | 40hp (29.8kw) |
| Max HP | 10hp (7.5kw) | 15hp (11.2kw) | 25hp (18.7kw) | 30hp (22.4kw) | 40hp (29.8kw) | 50hp (37.3kw) |
| No. Air Chambers | 3 + 1 | 3 + 1 | 3 + 1 | 3 + 1 | 3 + 1 | 4 + 1 |