Our low-noise transverse thrusters are the best solution for the high demands of the construction and operation of quiet vessels.
The system design and integration of a transverse thruster into the vessel have a significant impact on efficiency and noise emissions. We provide support starting from the design process and noise prognosis for assessment of the overall transverse thrusters system in the vessel.
Counteracting cavitation as one of the main sources of noise in transverse thrusters, we can effectively reduce the volume by 15 dB (A) through active noise reduction. The targeted injection of air reduces noise and vibration in both the vessel and the water.
Structure-borne noise and ambient noise caused by mechanical vibrations can be effectively reduced by installing an elastic foundation for gears, propellers and motors.
In the development and the design of our products, we work hand in hand, and, just like us, every very single component of our systems has to be well-coordinated and work together in harmony with the other parts. Let us show you which components are vital for the quality, efficiency and life span of the low-noise-thruster, and what Jastram does to make every product as precise and functional as possible.
Vibration velocity level at the tunnel inlet measured on board a mega yacht. More than 20 dB REDUCTION due to the Jastram ANR system.
The following table of Jastram low-noise transverse thrusters includes speed, power and propeller diameter based on DNV type approval. Values may differ and be adjusted for special applications and requirements of other classification societies. We would be happy to provide you a detailed offer tailored to your requirements.
|Type||Prop. Type||Input speed [rpm]||input power [kW]||Prop. Ø [mm]|
|570 - 620|
|790 - 840|
|920 - 990|
|920 - 1000|
|1160 - 1220|
|1470 - 1600|
|BU100||FPP or CPP||1200||900||720||1720 - 1940|
|BU120||FPP||1200||1000||870||1920 - 2270|