Azimuth thruster FU 37

tunnel typefor shipslow-noise

Quieter sailing means better sleep, improving the alertness and efficiency of the crew. Passengers enjoy a new degree of comfort. Brunvoll pioneered the low noise thruster in 1977. Today, Brunvoll is recognised world wide as the major supplier of effective solutions for thruster noise suppression. Noise levels of 75-88 dB(A) are typical in cabins next to and above conventional tunnel thrusters. Brunvoll’s advanced technology can cut this by up to 15 dB(A). Combined with other measures, noise reductions of up to 20-25 dB(A) have been verified. The Brunvoll LowNoise Tunnel Thruster Noise reduction of 11 - 15 dB(A) Resiliently mounted, full length double tunnel Complete from factory with no assembly at the yard Tunnel length and shape tailored to the hull lines Easy hull integration, no additional welding of tunnel extensions at yard Inner tunnel delivered complete with conical inlets Grids delivered pre-installed on request Delivered with cathodic protection and paint treatment, including anti-fouling CP propeller with skew blades One way rotation for optimal load on gears Brunvoll LowNoise Tunnel Thrusters - the optimal solution for noise supression The ultimate in quiet manoeuvring adds a new dimension of comfort and pleasure to the voyage - much appreciated by discerning travellers. Noisy thrusters would create a harsh, disturbing contrast. That's why major cruiseship owners insist on low noise thrusters - and Brunvoll's noise supression leads the field. Typical shiptypes where noise reduction is of utmost importance are such as cruise liners, megayachts