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First is a raw-water intake bypass for shallow water. To avoid
sucking up mud or sand in shallow areas from the standard hull-bottom location
of the raw-water inlet, Rasselas’ engineer can divert the pumps to a
portside intake just below the waterline. Both intakes are plumbed to a pair of
large sea chests, each of which can supply all necessary cooling water. A
clogged strainer can thus be bypassed easily without having to take an engine
off-line.
Second is a portside watertight service hatch with an MCA-approved
swing-out door. A twist on the old soft-patch-in-a-salon-sole idea, this opening
facilitates the removal of large equipment and will also be handy during dry
dock. Although her dedicated generator room will accommodate Cat’s
cleaner-burning C13 gensets, they weren’t available, so Rasselas is equipped with
smaller C9s. The hatch and removable sections in engine room bulkheads will
allow new gensets without having to cut metal and repaint.
Third is slow-speed ADS trolling gear on the Reintjes transmission
that allows the yacht to ease from a dock quietly and in control. The
trolling gear, in concert with the bow and stern thrusters, is also handy when
waiting on bridges or locks. The gear steps down to the lowest propeller
revolutions possible without stalling and is a simpler solution than variable
pitch propellers.
 Waterfront: The Last New Boat
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