Positioning
of the tug for bollard pull trials
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The
trial site should be carefully chosen to minimise
the effect of the environmental conditions. The following
minimum requirements have to be fulfilled with regard
to trial site and vessel state.
Trial
Site
Recommendation
The location for the trials
should be chosen with no piers, docks, jetties breakwaters
or other obstructions close to the tug.
The
best place for the bollard is on a legged jetty with
no wall, allowing the propeller wake to flow through/under
the jetty. If a solid pier is chosen the bollard should
be located as to give a clear run for the propeller
wake, see figures. (click
on the figures to enlarge)
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