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Marine Machinery Regulations (SOR/90-264)

Regulations are current to 2024-11-26 and last amended on 2023-12-20. Previous Versions

SCHEDULE VIReversing and Reduction Gearing, Shafting Systems and Propellers

PART I(Section 4)Design Specifications

DIVISION IReversing and Reduction Gearing

ItemRequirements
1None.

DIVISION IIShafting Systems

ItemRequirements
1Screw shafts shall be made of

  • (a) carbon steel protected from exposure to water in the stern bearing by a corrosion-resistant continuous liner, or non-continuous liners between each of which is a welded joint or a suitable bonded coating;

  • (b) carbon steel protected from exposure to water by means of an oil lubricated stern bearing with internal and external glands;

  • (c) corrosion resistant metal in accordance with rules or codes; or

  • (d) carbon steel not fitted with the methods of water exposure protection referred to in subitem (a) or (b).

2The screw shaft shall have the propeller attached by means of

  • (a) a suitable shaft taper with a keyway that is

    • (i) in sled runner form, or

    • (ii) in a form where the top end is well rounded and smoothed off, with an adequate root radius;

  • (b) a suitable shaft taper with no keyway; or

  • (c) a coupling flange.

DIVISION IIIPropellers

ItemRequirements
1None.

PARTS II to IV[Repealed, SOR/2021-135, s. 74]

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