ISO 8665-2:2024 PDF

Small craft — Power measurements and declarations — Part 2: Electric marine propulsion

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Title (English):

ISO 8665-2:2024

Small craft — Power measurements and declarations — Part 2: Electric marine propulsion

Document status:: Active
Format:: Electronic (PDF)
Number of pages:: 5
Publication date:: May 8, 2024
Edition:: ISO IS 8665 edition 1 version 1
ICS:: 47.080

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Description (English):

This document specifies the requirements for the determination of the power of electric marine propulsion systems when presented for documenting and checking of the declared (rated) power published by the manufacturer. This document is applicable to electric systems used for propulsion of recreational craft and other small craft of up to 24 m of hull length.

Technical details

Technical committee: ISO/TC 188 - Small craft
SKU: ISO 8665-2:2024

Abstract

Overview

ISO 8665-2:2024 specifies requirements for determining and declaring the power of electric marine propulsion systems for recreational and other small craft up to 24 m hull length. The standard defines how manufacturers and test laboratories should measure and report declared (rated) power, whether expressed as motor power or propeller shaft power, and establishes consistent test conditions and reporting practices to support conformity assessment.

Key Topics

Declaration rules: A declared power value must be accompanied by the declared motor speed and a clear indication of whether the value is motor power or propeller shaft power. Propeller shaft power can be measured directly or disclosed as motor power minus transmission losses.
Test methods and conditions: The standard outlines representative test sample requirements and environmental reference conditions, including:
- air temperature: 25 °C ± 5 °C
- relative humidity: 30 %
- coolant temperature for liquid-cooled systems: 25 °C ± 5 °C
- supply from a DC voltage source with maximum voltage drop of 5 % (excluding short periods

Related standards

Other ISO standards

Overview

Key Topics

Declaration rules: A declared power value must be accompanied by the declared motor speed and a clear indication of whether the value is motor power or propeller shaft power. Propeller shaft power can be measured directly or disclosed as motor power minus transmission losses.
Test methods and conditions: The standard outlines representative test sample requirements and environmental reference conditions, including:
- air temperature: 25 °C ± 5 °C
- relative humidity: 30 %
- coolant temperature for liquid-cooled systems: 25 °C ± 5 °C
- supply from a DC voltage source with maximum voltage drop of 5 % (excluding short periods

ISO 8665-2:2024 PDF

Technical details

Abstract

Overview

Key Topics

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