BS EN ISO 8847:2021

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Small craft. Steering gear. Cable over pulley systems

Published By	Publication Date	Number of Pages
BSI	2021	36

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Description

This document specifies the requirements for the design, installation and testing of cable over pulley steering systems on small craft with or without a propulsion engine(s), and on small craft with outboard engine(s) up to and including 37 kW total power.

It specifies the requirements for the design and testing of all components of a cable over pulley steering system, from the steering mechanism to the mechanical interface with the rudder shaft or the outboard engine. It applies to cable over pulley steering systems, whether for pedestal or bulkhead types.

This document does not address emergency means of steering the craft.

PDF Catalog

PDF Pages	PDF Title
2	National foreword
6	European foreword
7	Annex ZA (informative) Relationship between this European Standard and the essential requirements of Directive 2013/53/EU aimed to be covered
9	Foreword
11	1 Scope 2 Normative references 3 Terms and definitions
15	4 General requirements
16	5 Steering system requirements
17	5.4 Steering arm
18	5.5 Cables 5.6 Pulleys
19	5.7 Conduit
20	5.8 Cable drums 6 Installation
24	7 Testing requirements
28	8 Owner’s manual 9 Instruction manual
29	Annex A (informative) Steering wheel and helm shaft fit
31	Annex B (informative) Recommended procedures for conducting cable over pulley strength tests as required in 7.2.2 for outboard engine applications — Tangential load test
34	Bibliography

Additional information

Status	Definitive
Pages	36
Publication Date	2021-08-05
ISBN	978 0 539 04708 0
Standard Number	BS EN ISO 8847:2021
Title	Small craft. Steering gear. Cable over pulley systems
Identical National Standard Of	ENISO 8847, ISO 8847
Replaces	BS EN ISO 8847:2017, BS EN ISO 8847:2004
Descriptors	Wire ropes, Testing conditions, Mechanical testing, Radius, Steering control devices, Diameter, Steel-wire ropes, Steering wheels, Pulleys, Water transport engineering components, Axial stress, Boats, Steering gear, Water transport engineering
Publisher	BSI
Committee	GME/33
ICS Codes	47.080 - Small craft

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BS EN ISO 8847:2021

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