Tugs
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Tractor tugs and Azimuth Stern Drive
tugs (ASD tugs) continue to gain popularity worldwide.
Thrustmaster drives can be found on tugboats operating in ports
around the world and in the United States.
For instance, in Hawaii, ASD tugs with Thrustmaster Z-drives
are working at Chevron’s refinery as well as in the U.S.
Navy port of Pearl Harbor where they are on contract for ship
handling of nuclear aircraft carriers, submarines and battleships.
Thrustmaster Z-Drives offer some very unique advantages.
The drives have a low profile and the input shafts are at a very
low elevation. This low input shaft elevation results in
lower cardan shaft angles allowing smoother operation with less
vibration. This translates into less noise, less maintenance
and better longevity. It also facilitates conversion of
conventional drive to Z-drives in vessels where little headroom
is available in the stern. See also Typical
ASD Tug Configuration.
For conversions involving addition of a bow thruster, Thrustmaster
offers some exciting options: hydraulic tunnel thrusters
or low profile retractable azimuth thrusters facilitating easy
installation with full freedom in selecting the location of the
prime mover.
Tug Installations
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- Azimuth Steering
outperforms
- rudder steering by
directing thrust 360 degrees rather than just deflecting a small
percentage of thrust.
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- Click the picture
to watch the JD Pringle II in action in Hawaii.
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