Exam Question
(a) Sketch and describe the construction and operation of a life boat winch handbrake and centrifugal brake. (6)
(b) What maintenance do the brakes require. (5)
(c) At what velocity does the centrifugal brake operate. (5)
Class 4 (4th Engineer)
MEP
📅 Sep 2022
Reference Answer
### (a) Construction and Operation of Lifeboat Winch Brakes
This answer describes the two primary braking systems on a conventional davit-launched lifeboat winch: the manual handbrake and the automatic centrifugal brake. Their combined action ensures both controlled lowering and secure holding of the lifeboat.
#### 1. Handbrake (Manual Dead Man's Brake)
**Construction:**
This answer describes the two primary braking systems on a conventional davit-launched lifeboat winch: the manual handbrake and the automatic centrifugal brake. Their combined action ensures both controlled lowering and secure holding of the lifeboat.
#### 1. Handbrake (Manual Dead Man's Brake)
**Construction:**
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