CURRENTNOW - A HIGH PRECISION CURRENT MEASUREMENT SYSTEM

CurrentNow in use
Alt image
Stacks Image 393
  • "We were very impressed by the accuracy and usefulness of the CurrentNow system. It gained us a significant advantage in our race strategies over the past years."
    Robert Stanjek Starboat Sailor, helmsman and tactician offshore racing. Starboat Gold and Silver at World Championships, European Champion, Olympian
Alt image
Stacks Image 201
  • “The tactical tool „CurrentNow“ for measuring sea currents provided me and my coach with the right information at the right time for winning various medals at the Paralympics and World Championships over the last years.”
    Heiko Kröger Winning Gold and Silver at various Paralympics, 7 times World Champion, 5 times Silver in the World Championships
The challenge:
Stacks Image 86
Even 0.1 kn difference in current between left and right side on a typical race course gives a typical advantage of 50-100 m at the top mark.
Some race areas have half-hourly changes of current speed of more than 0.5 kn and in direction of more than 20 degrees. The maximum current can be up to 6 kn.
The system:
CurrentNow is a highly accurate sensor-based sea current measurement system which has been used worldwide over the last few years in offshore racing and Olympic sailing. CurrentNow has proven to measure current direction and speed with an accuracy of 1 degree and 0.1kn, respectively.

The system is based on a less than 1kg light drifting buoy with a range of sensors. It has a large lateral area approx. 1 metre below the water. CurrentNow is coupled by wireless connection to a portable computer or a special handset on a boat.


CurrentNow is unique in its functionalities:
Stacks Image 109
Custom-made software to measure currents and show the results
Logging of measurements
Stacks Image 123
Direction and distance to buoy from the RIB are calculated every second and help to find the buoy when out of sight
Stacks Image 124
Operation by touchscreen
Stacks Image 125
Exportfunction for tactical programs, e.g. Expedition
Stacks Image 126
Easy operation
Use cases:
Stacks Image 128
Measurements directly before races
Extensive measurements to analyse race areas and provide data for current simulations with up to 10 buoys
Differences to manual current measurements:

Since no fixed point of reference like a buoy is required (as it is for manual current measurements) the measurements with the CurrentNow system can be taken very quickly in almost all weather conditions. Often measurements take less than one minute and is then readily available and stored on the computer.

Also with manual measurements the inaccuracies are large, i.e. estimation of the direction by handheld compass and “no tape measure on the water”.
CurrentNow

High precision current measurement system

CurrentNow - At work in the water

CurrentNow - At work in the water

High precision current measurement system

High precision current measurement system

CurrentNow - Import into Expedition

CurrentNow - Import into Expedition

Top