Dynamometry
The Wolfson Unit designs, constructs and sells dynamometry tailored to the towing tank and windtunnel environment. We use our own dynamometry in all our projects and have exported this technology to other hydrodynamic facilities around the world.
Towing Tank Dynamometers
- Single post design for sailing yacht and powercraft models up to 3.5m LOA
- Mini three post design for powercraft models up to 5m LOA
- Three post design for large scale sailing yacht models 5m+ LOA
Wind Tunnel Dynamometer
- Underfloor 6 axis dynamometer for floor mounted models
3 post ship and sailing yacht dynamometer
Single post dynamometer for ship and sailing yacht testing
3 post - Ship and Sailing yacht - Light Duty
3 post - Ship and Sailing yacht - Heavy Duty
Wind tunnel floor 6 axis dynamometer
3 Post dynamometer for ship models
Single post/ 3 post - Ship and Sailing yacht
Sailing Yacht Heel Fitting
Bespoke Dynamometers
Dynamometers can easily be configured to the customer’s requirements in terms of load/moment ranges and axes of freedom with very little additional cost. The specifications below present the degrees of freedom and measurement ranges.
Specifications
Dynamometer | Axis Restraints | |||||
| Heave | Surge | Sway | Yaw | Roll | Pitch |
Single post - ship and sailing yacht | Free | Fixed | Fixed | Fixed - adjustable | Fixed - adjustable | Free |
3 post - ship | Free | Fixed | Fixed | Fixed | Fixed | Free |
3 post - ship and sailing yacht | Free | Fixed | Fixed | Fixed - adjustable | Fixed - adjustable | Free |
Dynamometer | Measurement axes and ranges | |||||
| Drag/ Thrust | Side force | Roll moment | Yaw moment | Heave | Pitch |
Single post - ship and sailing yacht | 0 - 60N,200N,500N | 0 - 60N,200N,500N | 20Nm | 20Nm | 300mm | 15 deg |
3 post - ship | 0 - 500N | NA | NA | NA | 300mm | 10 deg |
3 post - ship and sailing yacht | 0 - 500N,1500N | 0 - 500N,1500N | 100Nm | 500Nm | 300mm adjustable | 10 deg |