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GB/T 18572-2001Small craft -- Static thrust measurement for outboard motors (English PDF)

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Issued by

General Administration of Quality Supervision, Inspection and Quarantine

Level / Type

National · Recommended

Issue date

December 13, 2001

Implementation date

August 1, 2002

Scope

GB/T 18572-2001 (Small craft -- Static thrust measurement for outboard motors) is available as an English-translated PDF.

GB/T 18572-2001 — This Standard specifies the method for measuring and declaring the forward and reverse thrust of outboard motors in a stationary situation to determine if start-in-gear protection, as specified in ISO 11547, is required.

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Document preview — GB/T 18572-2001

National Standard of the People's Republic of China

ICS: 47.080
Classification: U 37

Issued by: General Administration of Quality Supervision, Inspection and Quarantine

Foreword...3
ISO Foreword...4
1 Scope...5
2 Normative References...5
3 Definitions...5
4 Outboard Motor...5
5 Test Conditions and Procedure...6
6 Presentation of Data...6

Foreword

This Standard equivalently adopted ISO 13342:1995 Small Craft - Static Thrust

Measurement for Outboard Motors.

This Standard was proposed by China State Shipbuilding Corporation.

This Standard shall be under the jurisdiction of 708 Institute of China State Shipbuilding

Corporation.

Drafting organization of this Standard: 708 Institute of China State Shipbuilding

Corporation.

Chief drafting staffs of this Standard: Li Zhensheng, Lin Dehui, and Wang Zhongzheng.

Small Craft - Static Thrust

Measurement for Outboard Motors

1 Scope

This Standard specifies the method for measuring and declaring the forward and

reverse thrust of outboard motors in a stationary situation to determine if start-in-gear

protection, as specified in ISO 11547, is required.

2 Normative References

The following standards contain provisions which, through reference in this Standard,

constitute provisions of this Standard. At the time of publication, the editions indicated

are valid. All standards are subject to revision. The parties who are using this Standard

shall explore the possibility of using the latest version of the following standards.

ISO 11547:1994 Small Craft – Start-in-Gear Protection

3 Definitions

For the purposes of this Standard, the following definitions apply.

3.1 Thrust

Horizontal force, in newtons, which the outboard motor is capable of producing.

3.2 Declared value of maximum thrust

Average of the thrust measurement that can be maintained for not less than 10 s within

± 10 % of fluctuation at a particular throttle setting.

4 Outboard Motor

4.1 When testing production outboard motors for formal declaration, the test unit shall

be representative of the manufacturer's production units.

4.2 The test outboard motor shall be run-in, operated and adjusted in accordance with

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 6 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 11547

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