MAN B&W 17.03
Page 2 of 2
MAN Diesel
198 42 221.6MAN B&W K98MC/MC-C/ME/ME-C, S/K90MC-C/ME-C, K90ME,
G80ME-C, S80MC, S/K80MC-C/ME-C, G70ME-C, S70MC,
S/L70/MC-C/ME-C, S70ME-C-GI, S65MC-C/ME-C/-GI, G60ME-C,
S60MC/ME-B, S/L60MC-C/ME-C, S60ME-C-GI, S50MC/MC-C,
S50ME-B8, S46MC-C/ME-B, S42MC, S/L35MC, S26MC
Fig. 17.03.02: Compensation of 2nd order vertical external moments
178 27 104.2
Moment compensator
Fore end, option: 4 31 213
22
Centre line
crankshaft
4 Node
3 Node
Compensating moment
F2C × Lnode
outbalances M2V
M2V
F2C
Node AFT
Lnode
Moment from compensator
M2C reduces M2V
M2C
M2V
3 and 4node vertical hull girder mode
Moment compensator
Aft end, option: 4 31 203
Electrically driven moment compensator
Compensating moment
F
D
× Lnode
outbalances M2V
M2V
Node Aft
L
D
node
F
D
2
2