Class 2 (2nd Engineer) SC&S 📅 Mar 2025

Exam Question

(a) List the variables which affect the force on a rudder. (6)

(b) A triangular bulkhead is 7 m wide at the top and has a vertical depth of 8 m. Calculate the load on the bulkhead and the position of centre of pressure if the bulkhead is flooded with sea water on only side: (10)

(i) To the top edge

(ii) With 4 m head to the top edge.

Reference Answer

when a rudder is turned from the centreline plane, to any angle, a force acts on the rudder, given by,
$$F=kAV^2N$$
Where,
k = Constant

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