The Verification of Masts and Rigging of Large Sailing Vessels

摘要

This paper presents the formal classification approach used in the appraisal and verification of the masts and standing rigging of large sailing passenger vessels. Comparison is made between the tabular scantlings for masts and rigging in Lloyds Register's rules and regulations of 1922, and the direct calculation techniques currently employed by Lloyds Register. The calculation methods and assumptions are described with illustrations from analyses of the rigs of both newbuilding vessels and vessels currently in service. Amongst the number of large sailing vessels rigs referenced, examples from the "STAD AMSTERDAM" rig have been presented, as it represents the visual replication of a traditional 19th century sailing ship but employs a range of modern 20th century hi-tech materials.