ISO INTERNATIONAL STANDARD 4566 Second edition 1992-12-15 Small craft with inboard engine Propeller shaft ends and bosses with 1:10 taper Navires de plaisance a moteur intérieur Extrémités d'arbres porte-hélices et moyeux d'hélices avec une conicité de 1:10 Reference number ISO4566:1992(E) n for Standardizatior Provided by IHS und No reproduction or networking permtted without license from IHS Not for Resale ISO4566:1992(E) Foreword IsO (the International Organization for Standardization) is a worldwide of preparing International Standards is normally carried out through Iso technical committees. Each member body interested in a subject for represented on that committee. International organizations, governmental and non-governmental, in liaison with IsO, also take part in the work. isO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. International Standard IsO 4566 was prepared by Technical Committee ISO/TC 188, Small craft. This second edition cancels sandreplaces the firstedition (ISO 4566:1985). In table 1, the nominal diameter, Dnom, of 22 mm and its associated valuesare additional,and correctionshavebeen made inthe "key" column for nominal diameter, Dnom, of 25 mm. Minor editorial cor- rectionshavealsobeenmade. ISO 1992 All rights reserved. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without per mission in writing from the publisher. International Organization for Standardization Case Postale 56 · CH-1211 Geneve 20 · Switzerland Printed in Switzerland No reproduction or networking permitted without license from IHS Not for Resale INTERNATIONAL STANDARD ISO 4566:1992(E) Small craft with inboard engine Propeller shaft ends and bosses with 1:10 taper Scope 4 Dimensions This International Standard specifies the dimensions The dimensions shall be those shown in figure 1 and for interchangeability of propeller bosses (hubs) and table 1. The "reference dimensions" indicated in the propeller shaft ends in the shaft diameter range of table shall be considered nominal dimensions for 20 mm to 160 mm with a taper of 1:101), intended for guidance only. installation on inboard-engined small craft. mensions in table 1 are not essential to interchange- 2 Normative references ability and are therefore left to the discretion of the manufacturer. The following standards contain provisions which, through reference in this text, constitute provisions Nominal diameters without brackets shall be pre- of this International Standard.At the timeof publi- ferred; those in brackets are a second choice. cation,the editions indicated were valid.All standards aresubjecttorevision,andpartiesto agreements Thread diameters without brackets shall similarly be based on this International Standard are encouraged preferred;thoseinbracketsarealternatives. to investigate the possibility of applying the most re- cent editions of the standards indicated below. Members of IEC and ISO maintain registers of cur- 5 Construction details rently valid International Standards. Details indicated in figure 1 are not intended to restrict ISO/R 773:1969, Rectangular or square parallel keys design; nor are they to scale. Types and methods of and their corresponding keyways (Dimensions in constructionormachiningofthekey.thekeywayand millimetres). their corner radi, the thread undercut and the thread end, or of other optional details (i.e. safety pin hole, ISO 1947:1973, System of cone tolerances for conical centring point, etc.) are left open for individual meth- workpieces from C = 1:3 to 1:500 and lengths from ods to comply with the configuration of the coupling 6 t