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Nawal Architect eONTEIMTS JANUARY From fiver to floatel, t h e SS United States The IMaval A r c h i t e c t International Journal of the Royal Institution of Naval A r c h i t e c t s E l l The cruise ship market, a review by Stephen Payne . . . E 1 7 Editor: Michael W a k e , BSc, C E n g , MRINA Cargohandling review E29 Associate Editor: Tim Knaggs Sales Director: Henry R. J a c k s o n A d v e r t i s e m e n t Manager: Richard Kirkby A d v e r t i s e m e n t and Editorial A s s i s t a n t : Gillian S m y t h Subscriptions and Publications: Lesley Smithers Editorial and A d v e r t i s e m e n t O f f i c e : 10 Upper Belgrave Street, London S W 1 X 8 B Q . Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London, t e l e x : 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 Tower Matching' for offshore cranes: a new system from Huisman-itrec, instalied here on the semi-submersibfe rig Annethyst. See our cranes feature (p. E29). Ten issues published per year: January, February, March, April, M a y , J u n e , July, September, October and November, Printed in England by Staples Printers St Albans Limited at The Priory Press Regular The Institution is not as a body, responsible for opinions expressed in The Naval Architect unless it is expressly stated that these are the Council's views. © 1 9 8 7 : T h e Royal I n s t i t u t i o n of Naval A r c h i t e c t s . This publication is c o p y r i g h t under the Berne Convention and the International Copyright Convention. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted without the prior permission of the copyright owners. Permission is not, however, required to copy abstracts of papers or of articles on condition that a full reference to the source is shown. Multiple copying of the contents without permission is always illegal. Germany, Austria and Switzerland: T. Anthony- A m Lerchenberg 22, D - 21 1 2 Jesteburg b. Hamburg, Germany. Tel: {04183} 5 5 4 1 . Italy: Vittorio F. rJegrone, Ediconsult Internationale. Piazza Fontane Marose 3, 16123 Genoa, Italy. Tel: 543.659; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3 . Telex; 211 197. Scandinavia: AB Stephan R. G. Örn, PO Box 184, S-27100 Ystad, Sweden. Te!: 46-411-18400. Telex: 3 3 3 3 5 ORWS. ABC A u d i t e d circulation 1985 J a n u a r y December 7,979 Commentary E3 News Review E5 Naval NRW."? E9 EIO Update Letters New vistas in cruising: Nippon Kokan's M/ACS concept is discussed in our cruise review (p. El7). ADVERTISEMENT REPRESENTATIVES: Features Trade t o t h e Editor and Equipment Vipwnnint Technical .E35 News. . .E37 E48 Paper H M S Warrior —The Design Aspects b y D . K. B r o w n a n d C a p t . J . G . W e l l s . ISSN 0 3 0 6 - 0 2 0 9 J A N U A R Y 1987 E1 J Naval Architect CONTENTS FEBRUARY Finnpusku, a new push-tug/barge s y s t e m for Baltic operations . E 6 0 The Naval A r c h i t e c t International J o u r n a l of the Royal Institution of Naval A r c h i t e c t s IVIarine c o a t i n g s : e f f i c i e n c y , e c o n o m y a n d l o n g life r e m a i n k e y industry aims E63 Editor: IVlichael Wal<e, BSc, C E n g , MRINA A n i n n o v a t i v e series of 1 0 trailer ships from Schiffswerft Neptun for Soviet sea/river t r a d i n g . . . . E 7 4 A s s o c i a t e Editor: Tim Knaggs Sales Director: Henry R. Jackson A d v e r t i s e m e n t IVlanager: Richard Kirl<by A d v e r t i s e m e n t and Editorial A s s i s t a n t : Gillian S m y t h Subscriptions and Publications: Lesley Smithers Editorial and A d v e r t i s e m e n t Office: 10 Upper Belgrave Street, London S W I X 8BQ. Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. Telex: 2 6 5 8 4 4 S l N A l G .¬ Telefax: 0 1 - 2 4 5 - 6 9 5 9 Windstar s e t s sail t o o p e n a n e w era in c r u i s e liner o p e r a t i o n . . . . E 7 7 Superstructure of the Wartsila IVIarine Locomotive: two bridges for a clear view over a Finnpusl<u barge in ballast. See our article on this new Baltic pushtug/barge concept (page €60). Ten issues published per year; J a n u a r y , F e b r u a r y , . M a r c h , April, M a y , J u n e , July, September, October and N o v e m b e r Printed in England by Staples Printers St Albans Limited at The Priory Press The Institution is not as a body, responsible for opinions expressed in The Naval Architect unless it is expressly stated that these are the Council's views. © 1 9 8 7 : The Royal Institution of Naval Architects. This publication is copyright under the Berne Convention and the International Copyright Convention. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted without the prior permission of the copyright owners. Permission is not, however, required to copy abstracts of papers or of articles on condition that a full reference to the source is shown. Multiple copying of the contents without permission is always illegal. Regular Features Commentary E51 News review. E53 Naval news E57 Update ADVERTISEMENT REPRESENTATIVES: Germany. Austria and Switzerland: T. Anthony, Am Lerchenberg 22. D - 2 1 1 2 Jesteburg b. Hamburg. Germany. Tel: 1041831 5 5 4 1 . Kompozitor Kara Karajew: one of a new class of GDR-built sea/river trailer ships, described on page E74. E59 Trade and RINA Affairs Diary, Equipment News. . .E71 E79 .E84 Italy: Vittorio F. Negrone, Ediconsult Internationale. Piazza Fontane f^arose 3. 16123 Genoa, Italy. Tel: 543.659: 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3 . Telex: 2 1 1 1 9 7 . Scandinavia: AB Stephan R. G. Örn, PO Box 184, S-27100 Ystad, Sweden, Tel: 4 6 - 4 1 1 - 1 8 4 0 0 , Telex: 3 3 3 3 5 ORNS. [ABC ISSN A u d i t e d circulation 1 9 8 5 J a n u a r y December 7,979 0306-0209 FEBRUARY 1 9 8 7 E49 M Naval Architect CONTENTS Astor, a l u x u r y c r u i s e liner built by HDV\/ and designed for worldwide voyages E95 The Naval A r c h i t e c t International Journal of the Royal Institution of Naval A r c h i t e c t s Editor: Michael W a k e , BSc, C E n g , Associate Editor: T i m Knaggs D o u g W o o d y a r d l o o k s b a c k at last years diesel engine m a r k e t shares E99 MRINA Y e a r n i n g t o be n u m b e r o n e : Korean shipbuilders gear up t o lead the world E105 Sales Director: Henry R. Jackson A d v e r t i s e m e n t Manager: Richard Kirkby A d v e r t i s e m e n t and Editorial Gillian S m y t h M A R C H Assistant Subscriptions and Publications: Lesley Smithers The 20,000 grt Astor, a new cruise liner for adventure voyages, will be operated by a British company and targetted at European markets. See our article on page E95. Editorial and A d v e r t i s e m e n t O f f i c e : 1 0 Upper Belgrave Street, London S W I X 8BQ. Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London, t e l e x : 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 Three ships for Carajas: the world's largest dry cargo carrier and t w o giant c o m b i n a t i o n carriers E110 'Escape, survival and rescue' a review of the RINA s y m p o s i u m by James Paffett E l l 6 Ten issues published per year; January, February, March, April, M a y , June, July, September, October and November Printed in England by Staples Printers St Albans at The Priory Press Regular Features Limited The Institution is not as a body, responsible for opinions expressed in The Naval Architect unless it is expressly stated that these are the Council's views, if"" 1987: The Royal Institution of Naval Architects. This publication is copyright under the Berne Convention and the International Copyright Convention. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted without the prior permission of the copyright owners. Permission is not, however, required to copy abstracis of papers or of articles on condition that a full reference to the source is shown. Multiple copying of the contents without permission is always illegal. ADVERTISEMENT REPRESENTATIVES: Germany, Austria and Switzerland: T. Anthony, Am Lerchenberg 2 2 , D - 2 1 1 2 Jesteburg b. Hamburg, Germany. Tel: (04183) 5 5 4 1 . Italy: Vittorio F. Negrone. Ediconsult Internationale, Piazza Fontane Marose 3, 16123 Genoa, Italy. Tel: 5 4 3 . 6 5 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3 . Tetex: 2 1 1 1 9 7 . Scandinavia: AB Stephan R. G. Örn. PO Box 184, S-27100 Ystad, Sweden. Tel: 4 6 - 4 1 1 - 1 8 4 0 0 . Telex: 3 3 3 3 5 ORNS. Audited circulation 1 985 January December 7 , 9 7 9 Commentary . E87 News Review . E89 Naval News . E93 Trade and Equipment Letters to the An advanced tanker proposal from Samsung: this 40,000 dwt products/chemical carrier borrows gas tanker technology in the form of octagonal-shaped tanks to avoid sloshing problems. This is just one of a number of designs discussed in our special feature on Korea (page El05). Front c o v e r illustration: The prototype of M A N B & W Diesel's latest engine t y p e , the S 2 6 M C , Is being prepared for presentation. W i t h a bore of 2 6 0 m m and a stroke of 9 8 0 m m , this will be the w o r l d ' s smallest low-speed t w o - s t r o k e diesel engine, developing outputs from 9 5 0 bhp to 3,970 bhp. M A N B & W Diesel A / S , Denmark. Editor News E101 . . . . . . EIIB RINA Affairs E117 Diary E123 Technical Paper T h e Ballast P e r f o r m a n c e of ships w i t h Particular Reference t o Bulk Carriers b y 1. L. B u x t o n a n d J . A . L o g a n . ISSN 0 3 0 6 - 0 2 0 9 MARCH 1 9 8 7 E85 Naval Architect CONTENTS APRIL T o w n s e n d T h o r e s e n ' s £ 1 3 5 million investment p r o g r a m m e nears completion El 33 The IMaval A r c h i t e c t International Journal of the Royal Institution of IMaval A r c h i t e c t s Improving ro-ro ship safety: a s t u d y b y J . G . L. A s t o n a n d L. J . R y d i l l E137 Editor: Michael W a k e , BSc, C E n g , MRINA H o w t h e Mary Rose and preserved Associate Editor: Tim Knaggs was turned E148 Sales Director: Henry R. J a c k s o n First order for M i t s u b i s h i ' s large-bore diesel engine A d v e r t i s e m e n t Manager: Richard Kirkby A d v e r t i s e m e n t and Editorial A s s i s t a n t : Gillian S m y t h Subscriptions and Publications: Lesley Smithers Editorial and A d v e r t i s e m e n t O f f i c e : 10 Upper Belgrave Street, London S W I X BBQ. Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. Telex: 2 6 5 8 4 4 SINAI G Telefax; 0 1 - 2 4 5 - 6 9 5 9 Challengers for the Eurotunnel: two new jumbo ferries will this year join the fleet of Townsend Thoresen, as part of this operator's massive investment programme, described on page El33. A pilot's-eye view manoeuvrability new E151 of El 52 The Engineering Council's five years of progress E160 Ten issues published per year: January, February, M a r c h , A p r i l , M a y , June, July, September, October and November Regular Printed in England by Staples Printers St Albans Limited at The Priory Press The Institution is not as a body, responsible for opinions expressed in The Naval Architect unless it is expressly stated that these are the Council's views. © 1987: The Royal Institution of Naval Architects. This publication is copyright under the Berne Convention and the International Copyright Convention. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted without the prior permission of the copyright owners. Permission is not, however, required to copy abstracts of papers or of articles on condition that a full reference to the source is shown. Multiple copying ol the contents without permission is always illegal. Features .,E127 ..E127 ..E129 ..E132 Trade and Equipment The Mary Rose being rotated in her Portsmouth dock. The intricate manoeuvres required to place her here are detailed in our article on page El48. News....E146 F 1.^4 ..E159 ADVERTISEMENT REPRESEIMTATIVES: Germany. Austria and Switzerland: T. Anthony, Am Lerchenberg 22, D - 2 1 1 2 Jesteburg b. Hamburg. Germany, Tel: 104183) 5 5 4 1 , Italy: Vittorio F, Negrone, Ediconsult Internationale, Piazza Fontane fylarose 3, 16123 Genoa, Italy. T e l : 5 4 3 . 6 5 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3 . Telex: 2 8 1 1 9 7 . Scandinavia: AB Stephan R. G, Örn, PO Box 184, S-27100 Ystad, Sweden. Tel: 45-41 1 -1 8 4 0 0 , Telex: 33335 ORNS, ABC ISSN A u d i t e d circulation 1 9 8 6 January December 7,683 0306-0209 E125 APRIL 1 9 8 7 è Naval Architect CONTENTS N e w ships for t h e N o r t h Sea Ferries operation between Rotterdam and Hull E171 The Naval A r c h i t e c t International Journal of the Royal Institution of Naval A r c h i t e c t s A s h o r t history of t h e d e v e l o p m e n t of Finnish icebreakers E183 Editor: IVlichael W a k e , BSc, C E n g , IVIRINA Associate Editor: Tim Knaggs /Conr/o — s e c o n d o f t h e n e w generation Finnish icebreakers . E 1 8 5 Sales Director: Henry R. Jackson A d v e r t i s e m e n t Manager: Richard Kirkby A d v e r t i s e m e n t and Editorial A s s i s t a n t : Karen Roberts, BA Regular Features Subscriptions and Publications: Lesley Smithers Editorial and A d v e r t i s e m e n t O f f i c e : 10 Upper Belgrave Street, London S W I X 8BQ. Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 , Telegrams: Sinai, London. Telex: 2 6 5 8 4 4 SINAI G ' Telefax: 0 1 - 2 4 5 - 6 9 5 9 (Norsea running trials off the Clyde—one of a pair of new ships for North Sea Ferries. Page El 71. El 63 News Review mm Naval News Update Trade Ten issues published per year: January, February, M a r c h , April, May, June, July, September, October and November Letters RINA Printed in England by Staples Printers St Albans Limited at The Priory Press Trie Institution is not as a body, responsible for opinions expressed m The Naval Architect uniess it IS expressly stated that these are the Council's views, IS" 1987: The Royal Institution of Naval Architects, This publication is copyright under the Berne Convention and the International Copyright Convention. All rights reserved. No pan of this publication may be reproduced, stored in a retrieval system or transmitted without the prior permission of the copyright owners. Permission PS not, however, required to copy abstracts of papers or of articles on condition that a full reference to the source is shown. Multiple copying ot the contents without permission is always Ulegal. Commentary El and Equipment to the Editor Affairs Diary News 70 E l 8 8 El 90 1192 E l 9 9 (Kontio, second of the new generation Finnish icebreal<ers from Wartsila. Page El85. ADVERTISEMENT REPRESENTATIVES: Germany, Austria and Switzerland: T. Anthony, Am Lerchenberg 22, D Jesteburg b. Hamburg, Germany. Tel: (041831 5 5 4 1 . 2112 Italy: Vittorio F, Negrone, Ediconsult Internationale, Piazza Fontane Marose 3. 16123 Genoa, Italy. T e l : 5 4 3 . 6 5 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3 Telex; 2 8 1 1 9 7 . Scandinavia: AB Stephan R. G. Orn. PO Box 184, S-27100 Ystad, Sweden, Tel: 46-41 1 18400. Telex: 33335 ORNS. [ABC J A u t i i t e d circulation ISSN 0 3 0 6 - 0 2 0 9 M A Y 1987 1986 J a n u a r y December 7 , 6 8 3 Technical Paper Design of Ship S u p e r s t r u c t u r e s Fibre-Reinforced Plastic b y C. S m i t h a n d D. W . C h a l m e r s . in S. Maval Architect JUWE Updated long-stroke revival for B The Naval A r c h i t e c t & W's 40/54 engine International J o u r n a l . o f the Royal Institution of Naval A r c h i t e c t s New E209 heart to for service a queen. QE2 with diesel-electric Editor: Michael Wal<e, BSc, C E n g , MRINA Design Associate Editor: Lips Tim Knaggs for MAN medium-speed and a power selection propellers and QE2 returns 133,000 plant. of the Grim bhp E211 new Wheels E219 Sales Director: Henry R. Jackson A d v e r t i s e m e n t Manager: Richard Kirkby A d v e r t i s e m e n t a n d Editorial A s s i s t a n t . Karen Roberts, BA Subscriptions and Publications: Lesley Smithers Editorial and A d v e r t i s e m e n t Office: 10 Upper Belgrave Street, London S W I X BBQ. Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. • Telex: 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 l l l l I l mil New dimensions technology A famous new diesel her funnel exhaust engines major remodelled: system and surgery. QE2 tias to cope with 11 boilers Page in icebreaking E223 a nine as part of £211. Ten issues published per year: January, February, M a r c h , April, M a y , J u n e , July, September, October and November Regular Printed in England by Staples Printers St Albans Limited at T h e Priory Press Features . . E 2 0 3 The I n s t i t u t i o n is n o t as a b o d y , responsible for opinions expressed in The Naval Architect unless it is expressly stated t h a t these are the C o u n c i l ' s viewrs. ^ ^ 1 9 8 7 : The Royal Institution o f Naval A r c h i t e c t s . This publication is c o p y r i g h t under the Berne C o n v e n t i o n and the International C o p y r i g h t C o n v e n t i o n . All rights reserved. N o part of this publication m a y be r e p r o d u c e d , stored in a retrieval s y s t e m or t r a n s m i t t e d vyithout the prior permission of the c o p y r i g h t o w n e r s . Permission is n o t , h o w e v e r , required t o c o p y abstracts o f papers or o f articles on c o n d i t i o n that a full reference t o the source is s h o w n . Multiple copying of the contents without permission is always illegal. E205 E208 RINA Affairs E226 E231 Clean cut by M u d y u g , following installation of a Waas bow. Page the E233. ADVERTISEMENT REPRESENTATIVES; G e r m a n y , Austria and S w i t z e r l a n d : T . A n t h o n y , A m Lerchenberg 2 2 , D - 2 1 1 2 J e s t e b u r g b. H a m b u r g , G e r m a n y . Tel: ( 0 4 1 8 3 ) 5 5 4 1 . Italy: V i t t o r i o F. Negrone, Ediconsult Internationale, Piazza Fontane Marose 3 , 1 6 1 2 3 Genoa, Italy. T e l : 5 4 3 . 6 5 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3 . Telex; 2 8 1 1 9 7 . Scandinavia: A B S t e p h a n R. G. O r n , PO Box 1 8 4 , S • 2 7 1 0 0 Ystad, Sweden. Tel: 4 6 . 4 1 1 1 8 4 0 0 , Telex: 3 3 3 3 6 ORNS. A u d i t e d circulation 1 9 8 6 January/December 7 , 6 8 3 ISSN 0 3 0 6 - 0 2 0 9 JUNE 1 9 8 7 E20 J H GUST Fishing revival books The Naval A r c h i t e c t International Journal of the Royal I n s t i t u t i o n of Naval A r c h i t e c t s Editor; Michael W a k e , BSc, C E n g , A Tim Knaggs IVlanager: yard UK R. order E241 fishing E. D. E245 casualties —an round-up up¬ E246 E247 Mermaid, a new buoy tender for Trinity House Richard Kirkby Advertisement vessel Norshipping Sales Director; Henry R. J a c k s o n Advertisement note on the safety of vessels by Professor Bishop Fishing date MRINA Associate Editor; boosts vessel E254 and Editorial A s s i s t a n t : Karen Roberts, BA Subscriptions and Lesley Smithers Publications: Editorial and A d v e r t i s e m e n t O f f i c e : 10 Upper Belgrave Street, London S W I X 8 B Q . Telephone; 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. Telex: 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 Signs of renewed interest in fisiiing vessels: tfie successful Napier-designed trawler Oruna from thie James fvliller yard has spawned a number of enquiries for repeats (Page E241). Designers notebook—the application of fire d o o r s by D o n R i p l e y . E 2 6 0 Ten issues published per year: January, February, M a r c h , April, M a y , J u n e , July, September, October and November Printed in England by Staples Printers St Albans Limited at The Priory Press Regular T h e I n s t i t u t i o n is not as a bocJy, responsible f o r opinions expressed in The Naval Architect unless it is expressly s t a t e d t h a t these are t h e CouncH's v i e w s . © 1 9 8 7 ; T h e Royal I n s t i t u t i o n of Naval A r c h i t e c t s . This p u b l i c a t i o n is c o p y r i g h t under t h e Berne C o n v e n t i o n and t h e I n t e r n a t i o n a l C o p y r i g h t C o n v e n t i o n . All r i g h t s reserved. No part of this p u b l i c a t i o n m a y be r e p r o d u c e d , s t o r e d in a retrieval s y s t e m or t r a n s m i t t e d w i t h o u t the prior permission of t h e c o p y r i g h t o w n e r s . Permission is not, h o w e v e r , required t o c o p y a b s t r a c t s of papers or o f articles on c o n d i t i o n t h a t a full reference t o t h e s o u r c e is s h o w n . Multiple copying ofthe contents without permission is always illegal. ADVERTISEMENT REPRESENTATIVES: Germany, Austria and Switzerland: T. A n t h o n y , A m Lerchenberg 2 2 , D J e s t e b u r g b. H a m b u r g , G e r m a n y . Tel; ( 0 4 1 8 3 ) 6 6 4 1 . 2112 Italy: V i t t o r i o F. Negrone, Ediconsult Internationale, Piazza Fontane fylarose 3, 1 61 2 3 G e n o a , Italy. T e l : 6 4 3 . 6 6 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3. Telex; 2 8 1 1 9 7 . Scandinavia: A B Stephan R. G. O r n , PO Box 1 8 4 , S • 2 7 1 0 0 Ystad, Sweden. T e l : 4 6 . 4 1 1 1 8 4 0 0 . T e l e x : 3 3 3 3 6 ORNS. [ABC Audited circulation 1 9 8 6 January/December 7 , 6 8 3 Features Commentary . E235 News Review .E237 Naval News .E240 Trade and Equipment RINA Affairs Diarv News. .E251 .E263 P9RR in Norway, the fishing revival has brought welcome work for subcontractors: this 2,950kW Bergen BRM-9 engine powers the H. 9)stervol(J, a new trawler from Flekkefjord Slip (Page E24V. Technical Paper A n Engineering A s s e s s m e n t of the Role o f N o n - l i n e a r i t i e s in T r a n s p o r t a t i o n B a r g e R o l l R e s p o n s e b y R. W . Robinson and A. W . Stoddart. ISSN 0 3 0 6 - 0 2 0 9 JULY/AUGUST 1987 E233 CONTENTS MAN B&W's contender The Naval A r c h i t e c t new mini-bore E277 International Journal of the Royal Institution of Naval A r c h i t e c t s Avoiding the problems of vibration emanating from diesel alter¬ nators E283 Editor: IVlichael W a k e , BSc, C E n g , IVIRINA A Associate Tim Editor: Sales Director: Henry R. J a c k s o n Richard Manager: Kirkby Advertisement and Editorial Assistant; Karen Roberts, BA Subscriptions and Lesley Smithers Publications: Editorial and A d v e r t i s e m e n t O f f i c e : 10 Upper Belgrave Street, London S W I X 8BQ. Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. Telex: 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 Honam Diamond, a typical modern supertanker; ttie 125,000 dwt vessel was delivered recently by Hyundai to Honam Tanker Co. The new generations of tankers now being built are discussed in our feature on page E285. damper from E284 Submerged pumps are ideal for modern cargo handling. . . . E295 T h e i m p o r t a n c e of t a n k e r owners being maintenance-aware . . E 2 9 6 The problem of hull surfaces viscous drag on E298 Long-term effectiveness of be d d e d o f f s h o r e a n c h o ^ ^ A Ten issues published per year: January, February, M a r c h , A p r i l , M a y , J u n e , July, September, October and November Printed in England by Staples Printers St Albans at The Priory Press vibration A t t e n t i o n t o detail: t h e k e y t o eff icient supertanker design . . E 2 8 5 Knaggs Advertisement novel IHI new pair of f o r e s t carriers f r o m KSEC for Rederi Manoeuvrability report em- products Gorthons E302 Conference E314 Limited T h e I n s t i t u t i o n is not as a b o d y , responsible for o p i n i o n s expressed in The Nava! Architect unless it is expressly s t a t e d t h a t t h e s e are the C o u n c i l ' s v i e w s . © 1 9 8 7 : The Royal I n s t i t u t i o n of Naval A r c h i t e c t s . T h i s p u b l i c a t i o n is c o p y r i g h t under t h e Berne C o n v e n t i o n and t h e International C o p y r i g h t C o n v e n t i o n . All rights r e s e r v e d . No part of this publication m a y be r e p r o d u c e d , s t o r e d in a retrieval s y s t e m or t r a n s m i t t e d w i t h o u t t h e prior permission of t h e c o p y r i g h t o w n e r s . Permission is n o t , h o w e v e r , required t o c o p y a b s t r a c t s of papers or of articles on c o n d i t i o n t h a t a full reference t o t h e source is s h o w n . Multiple copying of the contents without permission is always illegal. Regular Commentary ADVERTISEMENT REPRESENTATIVES: G e r m a n y , A u s t r i a and S w i t z e r l a n d : T . A n t h o n y , A m Lerchenberg 2 2 , D J e s t e b u r g b. H a m b u r g , G e r m a n y . Tel: (041831 6 5 4 1 . Audited circulation 1 Review E273 Naval News E276 Letters to Diary Vinca Gorthon; a new ro-ro with interesting features. Page E302. E271 News RINA 2112 Italy: V i t t o r i o F. Negrone, Ediconsult Internationale, Piazza Fontane Marose 3, 1 6 1 2 3 G e n o a , Italy. T e l ; 5 4 3 . 6 5 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 6 1 3 . Telex: 2 8 1 1 9 7 . Scandinavia; A B S t e p h a n R. G. Orn, PO Box 1 8 4 , S - 2 7 1 0 0 Ystad, Sweden. Tel: 4 6 . 4 1 1 1 8 4 0 0 . Telex: 3 3 3 3 5 ORNS. Features the Affairs Editor E279 E308 E313 many 986 January/December 7 , 6 8 3 ISSN 0 3 0 6 - 0 2 0 9 SEPTEMBER 1987 E269 ë Naval Architect CONTENTS OCTOBER A r e v i e w of the J a p a n e s e shipbuilding industry The Naval A r c h i t e c t International Journal of t h e Royal I n s t i t u t i o n of Naval A r c h i t e c t s E325 A n interactive program for the d e s i g n o f ship propellers by Dr. J . A. Szantyr E340 Editor: Michael W a k e , BSc, C E n g , MRINA Smit Semi I a n e w support V a n der Giessen-de N o o r d A s s o c i a t e Editor: rig from E343 Tim Knaggs Sales Director: Henry R. J a c k s o n A d v e r t i s e m e n t Manager: Richard Kirkby A d v e r t i s e m e n t and Editorial A s s i s t a n t : Karen Roberts, BA Subscriptions and Publications: Lesley Smithers Japanese marine industries are lool<ing to tlie indigenous leisure industry for survival, sucfi as NKK's MACS 3000 above. Page E325. Editorial and A d v e r t i s e m e n t O f f i c e : 10 Upper Belgrave Street, London S W I X 8 B Q . Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. Telex: 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 Pull-out Smit Drawing Semi 1 E345/6 Ten Issues published per year: J a n u a r y , February, M a r c h , April, M a y , June, July, September, October and N o v e m b e r Printed in England by Staples Printers St Albans Limited at The Priory Press The I n s t i t u t i o n is n o t as a b o d y , responsible for opinions expressed in The Naval Architect unless it is expressly stated t h a t t h e s e are the C o u n c i l ' s v i e w s . © 1 9 8 7 : The Royal I n s t i t u t i o n of Naval A r c h i t e c t s . This p u b l i c a t i o n is c o p y r i g h t under the Berne C o n v e n t i o n and t h e International C o p y r i g h t C o n v e n t i o n . All r i g h t s reserved. No part of t h i s publication m a y be r e p r o d u c e d , stored in a retrieval s y s t e m or t r a n s m i t t e d w i t h o u t the prior p e r m i s s i o n of t h e c o p y r i g h t o w n e r s . Permission is not, h o w e v e r , required to c o p y abstracts of papers or of articles on c o n d i t i o n that a full reference to t h e source is s h o w n . Multiple copying of the contents without permission is always illegal. Regular ^^jl^l^l^l^^^^^^^^i^ - — ^ Smit Semi 1, Smit International's offering for tfie offshore support Page E343. ADVERTISEMENT REPRESENTATIVES: : Features Commentary E317 News E319 Review Trade and Equipment ^ RINA Affairs D\arY News E338 E350 E355 marl<et. G e r m a n y , Austria a n d S w i t z e r l a n d : T. A n t h o n y , A m Lerchenberg 2 2 , D - 2 1 1 2 J e s t e b u r g b. H a m b u r g , G e r m a n y . Tel: 104183) 5 S 4 1 . Italy: V i t t o r i o F. Negrone, Ediconsult Internationale, Piazza Fontane Marose 3 , 1 6 1 2 3 Genoa, Italy. T e l : 5 4 3 . 6 5 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3 . Telex; 2 8 1 1 9 7 . Scandinavia; A B S t e p h a n R. G. O r n , PO Box 1 8 4 , S-27100Ystad,Sweden. Tel: 4 6 . 4 1 1 1 8 4 0 0 . Telex; 3 3 3 3 5 ORNS. ABC Audited circulation 1 986 January/December 7 , 6 8 3 Technical Paper Optimisation Of Stiffened Cylinders I n O f f s h o r e C o n s t r u c t i o n b y P. A . F r i e z e , I. E. W i n k l e , P. K. D a s a n d D.Baird. ISSN 0 3 0 6 - 0 2 0 9 OCTOBER 1987 E315 M Naval Architect EMBER COii\JTESyi The Naval A n é w pair of t u n n e l - b e a t i n g g i a n t s for P & O European Ferries' D o v e r Calais route E366 Architect International J o u r n a l of the Royal Institution of Naval A r c h i t e c t s Editor: Michael Wake, BSc, C E n g , Associate Tanker mini-boom prompts conversion of three bulk carriers to O B O ships E372 MRINA Skipsconsulent forecasts healthy f u t u r e in t a n k e r c o n s u l t a n c y E 3 7 2 Editor: Tim Knaggs Sales Director: Henry R. J a c k s o n Advertisement Richard Akademik Fedorov: a multipurpose Antarctic supply/research ship for the Soviet Union E376 Manager: Kirkby Advertisement and Editorial Assistant: Karen Roberts, BA Subscriptions and Lesley Smithers Publications: Editorial and A d v e r t i s e m e n t O f f i c e : 10 Upper Belgrave Street, London S W I X 8BQ. Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. Telex: 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 Ten issues published per year: January, February, M a r c h , April, M a y , J u n e , July, September, October and November Printed in England by Staples Printers St Albans at The Priory Press A travelling passenger linkspan lat Calais) is one of the many interesting features associated vi/ith P&O European Ferries' new twins Pride of Dover/Pride of Calais. See page E366. Pull-out Pride of Calais Drawings Dover/Pride of E367/8 Akademik Fedorov. E377/8 Limited The I n s t i t u t i o n is n o t as a b o d y , responsible for o p i n i o n s expressed in The Naval Architect unless it is expressly s t a t e d t h a t these are the Council's views. © 1 9 8 7 : The Royal I n s t i t u t i o n o f Naval A r c h i t e c t s . This p u b l i c a t i o n is c o p y r i g h t under t h e Berne C o n v e n t i o n and the International C o p y r i g h t C o n v e n t i o n . A l l r i g h t s reserved. No part of t h i s publication m a y be r e p r o d u c e d , stored in a retrieval s y s t e m or t r a n s m i t t e d w i t h o u t t h e prior permission of t h e c o p y r i g h t o w n e r s . Permission is n o t , h o w e v e r , required t o c o p y abstracts of papers or of articles on c o n d i t i o n t h a t a full reference t o the source is s h o w n . Multiple copying of the contents without permission is always illegal. Regular Features . E359 Commentary ..E361 Naval ADVERTISEMENT REPRESENTATIVES: G e r m a n y , Austria a n d S w i t z e r l a n d : T. A n t h o n y , A m Lerchenberg 2 2 , D J e s t e b u r g b. H a m b u r g , G e r m a n y . T e l : 1041831 5 5 4 1 . Trade Letters ..E365 News & Equipment to the Editor News. ..E373 ..E381 2112 Italy: V i t t o r i o F. Negrone, Ediconsult I n t e r n a t i o n a l e , Piazza Fontane Marose 3, 161 2 3 Genoa, Italy. T e l : 6 4 3 . 6 6 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3 . Telex: 2 8 1 1 9 7 . Scandinavia; The Soviet Antarctic supply/research ship Akademik Fedorov features the strongest hull ever built by RaumaRepola, able to cut through level ice Im thick. See page E376. RINA Affairs ..E382 . E387 A B S t e p h a n R. G. O r n , PO Box 1 8 4 , 8 - 2 7 1 0 0 Ystad, Sweden. T e l : 4 6 . 4 1 1 1 8 4 0 0 . Telex: 3 3 3 3 5 ORNS. ABC Audited circulation 1 986 January/December 7 , 6 8 3 ISSN 0 3 0 6 - 0 2 0 9 NOVEMBER 1 9 8 7 E357