Guidance Notes on Ice Loads on Azimuthing Propulsion Units
Year: 2020 Language: english Author: ABS Genre: Guide Format: PDF Quality: eBook Pages count: 40 Description: These Guidance Notes (GN) offer special guidance for determining design ice loads on the propulsor(s) for ice-going vessels equipped with azimuthing main propulsion units. Podded electrically-driven units and mechanically-driven azimuthing thruster types are addressed. The July 2020 edition refines the guidance on steering gear torque, revises Load Case L1 to not apply to pulling type units without nozzles, revises Load Case T1 to better apply to larger units, and aligns the Guidance Notes with the Marine Vessel Rules regarding the Ice Breaker and Enhanced notations.
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Guidance Notes on Ice Loads on Azimuthing Propulsion Units
Language: english
Author: ABS
Genre: Guide
Format: PDF
Quality: eBook
Pages count: 40
Description: These Guidance Notes (GN) offer special guidance for determining design ice loads on the propulsor(s) for ice-going vessels equipped with azimuthing main propulsion units. Podded electrically-driven units and mechanically-driven azimuthing thruster types are addressed.
The July 2020 edition refines the guidance on steering gear torque, revises Load Case L1 to not apply to pulling type units without nozzles, revises Load Case T1 to better apply to larger units, and aligns the Guidance Notes with the Marine Vessel Rules regarding the Ice Breaker and Enhanced notations.
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