|Concept:||Vertical displacement of the oarlock on one side relative to the oarlock on the other side when loaded with a weight of 10 kg.
The stiffness of the boat is generally subdivided into length, width and torsional stiffness. A simple method is described here that measures a combination of width and torsional stiffness. The definition used gives a good indication of the stiffness of the boat and is especially suitable for measuring stiffness differences between boats.
|Sizes:||Measured in millimeters.|
|Measure:||Place the boat in two slings. Fix the stroke side rigger, for example with a rope to the ground or with the help of a block of wood mounted on a wall (both options are drawn below). Pull the bow side oarlock downwards until the stroke side oarlock no longer comes up. Attach a weight of 10 kg to the bow side rigger. Measure with a tape measure how much this oarlock comes down. The vertical distance difference between a loaded and unloaded bow side oarlock is thus measured.|
|Oar balance point|
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