
SUPERYACHT #501 January 2004
Article selected from our quarterly magazine dedicated to the largest
and most luxurious boats with information, interviews, technical
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Article by Angelo Colombo
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AMERICAN BOW THRUSTER
The Californian company American Bow Thruster - Arcturus Marine
Systems, produces various systems for controlling and trimming
super-yachts. Stabilising systems and manoeuvring propellers by
American Bow Thruster are installed on board numerous important
yachts, built by boatyards such as Alloy Yachts, Azimut,
Baglietto, Hatteras Yacht and many others. As far as stabilising
systems are concerned, the United States company proposes "Trac
Digital Stablizers". This is a system rendered particularly
effective by integrated control by an electronic gearcase, which
is equipped with a high speed processor capable of speedy
processing all the data obtained from the on board sensors.
The system has been created to respond at the same speed, suffice to
think that the gearcase manages to process up to 100 pieces of
information a second. When leaving the port the system is simply
switched on and it will then continually and efficiently trim the
yacht without needing further intervention. Trac Digital
Stabilizers bases its adjustments on speed, sea conditions and
wave direction as well, naturally, as data on the boat's list
detected by the sensors. The system's stabilising fins are easy
to install and equipped with very strong electromechanical
mechanisms, ensuring duration over time.
The gearcase is equipped
with a liquid crystal screen for viewing all the data detected by
the sensors, including the status of the fins and system and any
possible alarms calling for intervention.
As mentioned at the
start of the article, this Californian company also produces
manoeuvring propellers, ranging from 7,5 to 200 HP and with
diameters from 8" to 28". These systems can be coupled with
hydraulic and d.c. or a.c. power motors. The technology developed
by American Bow Thruster for the production of these navigational
aids includes the use of two propellers rotating in opposite
directions, offering 12% more impetus for the horsepower. The
propellers are fitted into a structure protecting them from
wiring and other hazards, and are made of materials which ensure
long duration.
For further information please contact: American Bow Thruster - Arcturus Marine Systems; 517-A Martin
ave. Rohnert Park; Ca. 94928; tel. (800) 535 5377 - (707) 586
3155; fax: (707) 586 3159; website www.thrusters.com; e-mail
abt@thrusters.com.
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