semi-custom Hull Vane® - Sturiër 565OC 

We recently tested a Sturiër 565 OC with and without our patented semi-custom Hull Vane®:
top speed up by 1.1 knots from 10.0 to 11.1 knots
RPM down by 200 RPM at cruising speed (9 knots)
RPM down by 500 RPM at 10 knots
fuel consumption down by 23%
noise levels on afterdeck down by 2 to 5 dB(A)
suppressed wake