Boat Test AMF 770 Viper
Date: June 2012
Manufacturer: AMF
Model: 770 Viper
LOA: 7.7m
Displacement: 2700kg
Load: 4 POB, 200L fuel, 60L H20
Engine: S250S
Engine HP: 250
Drive/Ratio: Volvo 290 1.95:1
Propeller: 20P 3/3
| RPM | Knots | L/H |
| 1000 | 7 | 2.6 |
| 2000 | 13 | 12.6 |
| 3000 | 24 | 23 |
| 4000 | 37 | 49 |