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MAN B&W 17.02
A dec<strong>is</strong>ion regarding the vibrational aspects and
the possible use of compensators must be taken
at the contract stage. If no experience <strong>is</strong> <strong>available</strong>
from s<strong>is</strong>ter ships, which would be the best bas<strong>is</strong>
for deciding whether compensators are necessary
or not, it <strong>is</strong> adv<strong>is</strong>able to make calculations to determine
which of the solutions should be applied.
Experience with our two-stroke slow speed engines
has shown that propulsion plants with small
bore engines (engines smaller than 46 types) are
less sensitive regarding hull vibrations exited by
2nd order moments than the larger bore engines.
Therefore, these engines do not have engine driven
2nd order moment compensators.
Preparation for compensators
If compensator(s) are initially omitted, the engine
can be delivered prepared for compensators to be
fitted on engine fore end later on, but the dec<strong>is</strong>ion
to prepare or not must be taken at the contract
stage, option: 4 3 242 (ME/ME-C/ME-GI except
type 50) while not applicable for ME-B. Measurements
taken during the sea trial, or later in service
and with fully loaded ship, will be able to show if
compensator(s) have to be fitted at all.
If no calculations are <strong>available</strong> at the contract
stage, we adv<strong>is</strong>e to make preparations for the
fitting of a compensator in the steering compartment.
MAN B&W S70ME�C/ME�GI, L70ME�C, S65ME�C/ME�GI,
S60ME�C/ME�GI, L60ME�C, S50ME�B/ME-C, S40ME-B, S35ME-B
MAN Diesel
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