In October, 2009, VHE performed its first large-scale test of the VIVACE converter. This test was performed in the towing tank at the University of Michigan. The VIVACE converter was tested at a flow speed of 2.0 knots (1.03 m/s).
The flashing light bulb in the top right corner of the video, seen at the 33 second and 51 second mark, is powered by the moving cylinders. The light bulb is powered by a simple power take off system that was connected to the cylinders for demonstration purposes.