Textos de Apoio (pdf)

ITTC – Recommended
7.5-04
-01-01.1
Procedures and Guidelines Page 4 of 10
Full Scale Measurements
Speed and Power Trials
Preparation and Conduct of
Speed/Power Trials
Effective Date
2005
Revision
03
• The Shipbuilder has, if necessary, to arrange
for divers to inspect the ship’s hull
and propellers.
• The Trial Leader is the duly authorized
(shipbuilder’s representative) person responsible
for the execution of all phases of
the Speed/Power trials including the pretrial
preparation.
3.2 The Trial Team
The trial team is responsible for correct
measurements and analysis of the measured
data according to the state of the art.
The trial team is responsible for the following:
a. Conduct ship inspection, if possible or
necessary.
b. Provide, install and operate all required
trial instrumentation and temporary cabling.
c. If previously arranged, provide the ship
master and owner’s representative with
a preliminary data package before debarking.
The contents of the data package
will be determined in consultation
with the owner’s representative at the
initial pre-trial briefing.
d. Provide a final report after completion
of the trials in accordance with any
agreement between the shipbuilder and
the ship owner.
4. PROCEDURES
4.1 Trial Preparation
4.1.1 Shipbuilder’s Support Requirement:
Prior to the trials the required instrumentation
has to be installed. The assistance of the
ship’s or shipbuilder’s crew will be required
when making electrical connections to the
ship's systems and circuits such as heading,
wind speed, wind direction, and rudder angle
synchronous repeaters. The following support
is requested from the Shipbuilder to properly
prepare for the trials:
a. Provide access to the ship for trial instrumentation.
b. Assistance is required for the following
electrical connections:
• Gyrocompass
• Wind meter
• Rudder angle indicator
• Log Speed
• Propeller Pitch
c. Vary the output level of each of the
above measurement sources to ensure
the proper operation and alignment of
the test instrumentation
4.1.2 Space Requirements
Spaces and an electric supply adequate for
the trial equipment will be required for the trial
instrumentation and computers.