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Nawal Architect

The IMaval 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 , M R I N A A s s o c i a t e 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 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

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 p u b l i c a t i o n 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.

ADVERTISEMENT REPRESENTATIVES:

Germany, Austria and Switzerland:

T. Anthony- A m Lerchenberg 2 2 , 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: 5 4 3 . 6 5 9 ; 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!: 4 6 - 4 1 1 - 1 8 4 0 0 . Telex: 3 3 3 3 5 ORWS.

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).

New vistas in cruising: Nippon Kokan's

M/ACS concept is discussed in our cruise

review (p. El7).

e O N T E I M T S J A N U A R Y

F r o m f i v e r t o f l o a t e l , t h e

S S U n i t e d S t a t e s

E l l

T h e c r u i s e s h i p m a r k e t , a

r e v i e w b y S t e p h e n P a y n e . . . E 1 7

C a r g o h a n d l i n g r e v i e w

E 2 9

R e g u l a r F e a t u r e s

C o m m e n t a r y

E 3

N e w s R e v i e w

E 5

N a v a l N R W . " ?

E 9

U p d a t e

E I O

L e t t e r s t o t h e E d i t o r

. E 3 5

T r a d e a n d E q u i p m e n t N e w s .

. . E 3 7

V i p w n n i n t

E 4 8

T e c h n i c a l P a p e r

A B C

J a n u a r y December 7 , 9 7 9 A u d i t e d c i r c u l a t i o n 1 9 8 5

H M S W a r r i o r — T h e D e s i g n A s p e c t s

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 1 9 8 7

E1

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J

Naval Architect

The Naval A r c h i t e c t

International J o u r n a l 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

Editor:

IVlichael Wal<e, BSc, C E n g , MRINA A s s o c i a t e 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 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 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 S l N A l G .¬ Telefax: 0 1 - 2 4 5 - 6 9 5 9 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, O c t o b e r 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.

ADVERTISEMENT REPRESENTATIVES:

Germany. Austria and Switzerland:

T. Anthony, A m Lerchenberg 2 2 . D - 2 1 1 2 Jesteburg b. Hamburg. Germany. Tel: 1041831 5 5 4 1 .

Italy:

Vittorio F. Negrone, Ediconsult Internationale. Piazza Fontane f^arose 3. 16123 Genoa, Italy. Tel: 5 4 3 . 6 5 9 : 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.

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

push-tug/barge concept (page €60).

Kompozitor Kara Karajew: one of a new

class of GDR-built sea/river trailer ships,

described on page E74.

C O N T E N T S

F E B R U A R Y

F i n n p u s k u , a n e w p u s h - t u g / b a r g e

s y s t e m f o r B a l t i c o p e r a t i o n s . E 6 0

I V I a r i n e 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 l i f e r e m a i n k e y

i n d u s t r y a i m s E 6 3

A n i n n o v a t i v e s e r i e s o f 1 0 t r a i l e r s h i p s

f r o m S c h i f f s w e r f t N e p t u n f o r

S o v i e t s e a / r i v e r t r a d i n g . . . . E 7 4

Windstar s e t s s a i l t o o p e n a n e w e r a

i n c r u i s e l i n e r o p e r a t i o n . . . . E 7 7

R e g u l a r F e a t u r e s

C o m m e n t a r y E 5 1

N e w s r e v i e w .

E 5 3

N a v a l n e w s E 5 7

U p d a t e E 5 9

T r a d e a n d E q u i p m e n t N e w s . . . E 7 1

R I N A A f f a i r s E 7 9

D i a r y ,

. E 8 4

[ABC

A u d i t e d c i r c u l a t i o n 1 9 8 5 J a n u a r y D e c e m b e r 7 , 9 7 9

ISSN 0 3 0 6 - 0 2 0 9

FEBRUARY 1 9 8 7

E49

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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 , MRINA A s s o c i a t e Editor:

T i m Knaggs

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 Assistant 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 : 1 0 Upper Belgrave Street, London S W I X 8BQ. Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . T e l e g r a m s : 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 T e n issues published per year; J a n u a r y , February, M a r c h , April, M a y , J u n e , J u l y , September, October and November 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,

if"" 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 w i t h o u t 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 s h o w n . 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.

A u d i t e d c i r c u l a t i o n 1 9 8 5 J a n u a r y D e c e m b e r 7 , 9 7 9

ISSN 0 3 0 6 - 0 2 0 9

M

Naval Architect

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.

An advanced tanker proposal from

Sam-sung: 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).

C O N T E N T S M A R C H

Astor, a l u x u r y c r u i s e l i n e r b u i l t b y

H D V \ / a n d d e s i g n e d f o r

w o r l d w i d e v o y a g e s E 9 5

D o u g W o o d y a r d l o o k s b a c k a t l a s t

y e a r s d i e s e l e n g i n e m a r k e t

s h a r e s E 9 9

Y e a r n i n g t o b e n u m b e r o n e : K o r e a n

s h i p b u i l d e r s g e a r u p t o l e a d

t h e w o r l d E 1 0 5

T h r e e s h i p s f o r C a r a j a s : t h e w o r l d ' s

l a r g e s t d r y c a r g o c a r r i e r a n d t w o

g i a n t c o m b i n a t i o n c a r r i e r s E 1 1 0

' E s c a p e , s u r v i v a l a n d r e s c u e ' a r e v i e w

o f t h e R I N A s y m p o s i u m

b y J a m e s P a f f e t t E l l 6

R e g u l a r F e a t u r e s

C o m m e n t a r y

. E 8 7

N e w s R e v i e w

. E 8 9

N a v a l N e w s

. E 9 3

T r a d e a n d E q u i p m e n t N e w s E 1 0 1

L e t t e r s t o t h e E d i t o r . . . E I I B

R I N A A f f a i r s

E 1 1 7

D i a r y

E 1 2 3

E 1 2 3

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 t h e w o r l d ' s

smallest low-speed t w o - s t r o k e diesel engine,

developing outputs f r o m 9 5 0 bhp to 3 , 9 7 0 bhp.

M A N B & W Diesel A / S , Denmark.

T e c h n i c a l P a p e r

T h e B a l l a s t P e r f o r m a n c e o f s h i p s w i t h

P a r t i c u l a r R e f e r e n c e t o B u l k C a r r i e r s

b y 1. L. B u x t o n a n d J . A . L o g a n .

(4)

Naval Architect

The IMaval 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 IMaval A r c h i t e c t s

Editor:

Michael W a k e , BSc, C E n g , M R I N A A s s o c i a t e 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 M a n a g e r : 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 S t r e e t , 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 T e l e f a x ; 0 1 - 2 4 5 - 6 9 5 9 Ten issues published per year: January, February, M a r c h , A p r i l , M a y , J u n e , J u l y , September, O c t o b e r and N o v e m b e r

Printed in England by

Staples Printers St A l b a n s 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 s h o w n . Multiple copying ol the contents without permission is always illegal.

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, 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 . T e l e x : 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,

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.

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.

C O N T E N T S A P R I L

T o w n s e n d T h o r e s e n ' s £ 1 3 5 m i l l i o n

i n v e s t m e n t p r o g r a m m e n e a r s

c o m p l e t i o n E l 3 3

I m p r o v i n g r o - r o s h i p s a f e t y : 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 E 1 3 7

H o w t h e Mary Rose w a s t u r n e d

a n d p r e s e r v e d E 1 4 8

F i r s t o r d e r f o r M i t s u b i s h i ' s n e w

l a r g e - b o r e d i e s e l e n g i n e E 1 5 1

A p i l o t ' s - e y e v i e w o f

m a n o e u v r a b i l i t y E l 5 2

T h e E n g i n e e r i n g C o u n c i l ' s

f i v e y e a r s o f p r o g r e s s E 1 6 0

R e g u l a r F e a t u r e s

. , E 1 2 7

. . E 1 2 7

. . E 1 2 9

. . E 1 3 2

T r a d e a n d E q u i p m e n t N e w s . .

. . E 1 4 6

F 1 . ^ 4

. . E 1 5 9

A B C

A u d i t e d c i r c u l a t i o n 1 9 8 6 J a n u a r y D e c e m b e r 7 , 6 8 3

ISSN 0 3 0 6 - 0 2 0 9

APRIL 1 9 8 7

E125

(5)

è

Naval Architect

The Naval A r c h i t e c t

International J o u r n a l 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:

IVlichael W a k e , BSc, C E n g , IVIRINA A s s o c i a t e 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 : Karen Roberts, BA

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 S t r e e t , 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 , A p r i l , May, June, J u l y , September, October and November Printed in England by

Staples Printers St A l b a n s 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.

(Norsea running trials off the Clyde—one of

a pair of new ships for North Sea Ferries.

Page El 71.

(Kontio, second of the new generation

Fin-nish icebreal<ers from Wartsila. Page El85.

C O N T E N T S

N e w s h i p s f o r t h e N o r t h S e a F e r r i e s

o p e r a t i o n b e t w e e n R o t t e r d a m a n d

H u l l E 1 7 1

A s h o r t h i s t o r y o f t h e d e v e l o p m e n t o f

F i n n i s h i c e b r e a k e r s E 1 8 3

/ C o n r / o — s e c o n d o f t h e n e w g e n e r

-a t i o n F i n n i s h i c e b r e -a k e r s . E 1 8 5

R e g u l a r F e a t u r e s

C o m m e n t a r y

E l 6 3

N e w s R e v i e w

mm

N a v a l N e w s

U p d a t e E l 7 0

T r a d e a n d E q u i p m e n t N e w s E l 8 8

L e t t e r s t o t h e E d i t o r E l 9 0

R I N A A f f a i r s

1 1 9 2

D i a r y E l 9 9

ADVERTISEMENT REPRESENTATIVES: Germany, Austria and Switzerland: T. Anthony, Am Lerchenberg 2 2 , D 2112 Jesteburg b. Hamburg, Germany. Tel: (041831 5 5 4 1 .

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 T e l e x ; 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 c i r c u l a t i o n 1 9 8 6 J a n u a r y D e c e m b e r 7 , 6 8 3

T e c h n i c a l P a p e r

ISSN 0 3 0 6 - 0 2 0 9

D e s i g n o f S h i p S u p e r s t r u c t u r e s i n

F i b r e - R e i n f o r c e d P l a s t i c b y C . S .

S m i t h a n d D . W . C h a l m e r s .

M A Y 1 9 8 7

(6)

Maval Architect

The Naval A r c h i t e c t

International J o u r n a l . o f 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

Editor:

Michael Wal<e, BSc, C E n g , MRINA A s s o c i a t e 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 a n d Editorial A s s i s t a n t . Karen Roberts, BA Subscriptions a n d 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. T e l e p h o n e : 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. • Telex: 2 6 5 8 4 4 SINAI G T e l e f a x : 0 1 - 2 4 5 - 6 9 5 9 Ten issues published per year: J a n u a r y , February, M a r c h , April, M a y , J u n e , J u l y , September, O c t o b e r and N o v e m b e r Printed in England by

Staples Printers St Albans Limited at T h e 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 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 C o u n c i l ' s viewrs.

^ ^ 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 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 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 , 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 p e r m i s s i o n 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 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.

I

l l l l

m i l

l

A famous funnel remodelled: QE2 tias a new exhaust system to cope with nine diesel engines and 11 boilers as part of her major surgery. Page £211.

J U W E

U p d a t e d l o n g - s t r o k e r e v i v a l f o r M A N B & W ' s 4 0 / 5 4 m e d i u m - s p e e d e n g i n e E 2 0 9 N e w h e a r t f o r a q u e e n . Q E 2 r e t u r n s t o s e r v i c e w i t h a 1 3 3 , 0 0 0 b h p d i e s e l - e l e c t r i c p o w e r p l a n t . E 2 1 1 D e s i g n a n d s e l e c t i o n o f t h e n e w L i p s p r o p e l l e r s a n d G r i m W h e e l s f o r QE2 E 2 1 9 N e w d i m e n s i o n s i n i c e b r e a k i n g t e c h n o l o g y E 2 2 3 R e g u l a r F e a t u r e s . . E 2 0 3 E 2 0 5 E 2 0 8 R I N A A f f a i r s E 2 2 6 E 2 3 1

Clean cut by M u d y u g , following the installation of a Waas bow. Page E233.

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 L e r c h e n b e r g 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. N e g r o n e , Ediconsult I n t e r n a t i o n a l e , Piazza Fontane M a r o s e 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 . T e l e x ; 2 8 1 1 9 7 .

S c a n d i n a v i a :

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 Y s t a d , S w e d e n .

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 c i r c u l a t i o n 1 9 8 6 J a n u a r y / D e c e m b e r 7 , 6 8 3

ISSN 0 3 0 6 - 0 2 0 9

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The Naval A r c h i t e c t International J o u r n a l 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 Editor; Michael W a k e , BSc, C E n g , MRINA A s s o c i a t e Editor; T i m 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 IVlanager: 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

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, L o n d o n . Telex: 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 T e n issues published per year: January, February, M a r c h , April, M a y , J u n e , July, S e p t e m b e r , October and November Printed in England by

Staples Printers St Albans Limited at The Priory Press

T h e I n s t i t u t i o n is not as a bocJy, responsible f o r o p i n i o n s e x p r e s s e d in The Naval Architect unless it is expressly s t a t e d t h a t t h e s e 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 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 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 r e s e r v e d . No p a r t 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 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 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 p a p e r s or o f articles o n c o n d i t i o n t h a t a full r e f e r e n c e 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: G e r m a n y , A u s t r i a a n d S w i t z e r l a n d : T. A n t h o n y , A m L e r c h e n b e r g 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 . T e l ; ( 0 4 1 8 3 ) 6 6 4 1 . I t a l y : V i t t o r i o F. N e g r o n e , E d i c o n s u l t I n t e r n a t i o n a l e , Piazza F o n t a n e fylarose 3, 1 61 2 3 G e n o a , I t a l y . T e l : 6 4 3 . 6 6 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 5 1 3. T e l e x ; 2 8 1 1 9 7 . S c a n d i n a v i a : 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 Y s t a d , S w e d e n . T e l : 4 6 . 4 1 1 1 8 4 0 0 . T e l e x : 3 3 3 3 6 O R N S .

J

H

[ABC

J a n u a r y / D e c e m b e r 7 , 6 8 3 A u d i t e d c i r c u l a t i o n 1 9 8 6

ISSN 0 3 0 6 - 0 2 0 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).

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.

G U S T

F i s h i n g r e v i v a l b o o s t s y a r d o r d e r

b o o k s E 2 4 1

A n o t e o n t h e s a f e t y o f U K f i s h i n g

v e s s e l s b y P r o f e s s o r R. E. D .

B i s h o p E 2 4 5

F i s h i n g v e s s e l c a s u a l t i e s — a n u p ¬

d a t e E 2 4 6

N o r s h i p p i n g r o u n d - u p E 2 4 7

Mermaid, a n e w b u o y t e n d e r v e s s e l

f o r T r i n i t y H o u s e E 2 5 4

D e s i g n e r s n o t e b o o k — t h e a p p l i c a t i o n

o f f i r e d o o r s b y D o n R i p l e y . E 2 6 0

R e g u l a r F e a t u r e s

C o m m e n t a r y

. E 2 3 5

N e w s R e v i e w

. E 2 3 7

N a v a l N e w s

. E 2 4 0

T r a d e a n d E q u i p m e n t N e w s . . E 2 5 1

R I N A A f f a i r s

. E 2 6 3

D i a r v

P 9 R R

T e c h n i c a l P a p e r

A n E n g i n e e r i n g A s s e s s m e n t o f t h e

R o l e o f N o n l i n e a r i t i e s i n 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 .

R o b i n s o n a n d A . W . S t o d d a r t .

J U L Y / A U G U S T 1 9 8 7

E233

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The Naval A r c h i t e c t International J o u r n a l 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 Editor: IVlichael W a k e , BSc, C E n g , IVIRINA A s s o c i a t e 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 ; Karen Roberts, BA

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 8 B Q . Telephone: 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, L o n d o n . Telex: 2 6 5 8 4 4 SINAI G Telefax: 0 1 - 2 4 5 - 6 9 5 9 Ten issues published per year: J a n u a r y , February, M a r c h , A p r i l , M a y , J u n e , J u l y , September, October and November Printed in England by

Staples Printers St A l b a n s Limited at The Priory Press

T h e 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 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 : T h e Royal I n s t i t u t i o n o f N a v a l 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 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 . A l l r i g h t s r e s e r v e d . No part o f t h i s 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 t h e 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 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 o f a r t i c l e s on c o n d i t i o n t h a t a full r e f e r e n c e t o t h e s o u r c e is s h o w n . Multiple copying of the contents without permission is always illegal.

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 L e r c h e n b e r g 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 . T e l : ( 0 4 1 8 3 1 6 5 4 1 . I t a l y : V i t t o r i o F. N e g r o n e , E d i c o n s u l t I n t e r n a t i o n a l e , Piazza Fontane M a r o s e 3, 1 6 1 2 3 G e n o a , I t a l y . T e l ; 5 4 3 . 6 5 9 ; 2 6 8 . 3 3 4 ; 2 6 8 . 6 1 3 . T e l e x : 2 8 1 1 9 7 . S c a n d i n a v i a ; 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 Y s t a d , S w e d e n . T e l : 4 6 . 4 1 1 1 8 4 0 0 . T e l e x : 3 3 3 3 5 O R N S . A u d i t e d c i r c u l a t i o n 1 9 8 6 J a n u a r y / D e c e m b e r 7 , 6 8 3

ISSN 0 3 0 6 - 0 2 0 9

C O N T E N T S

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.

M A N B & W ' s n e w m i n i - b o r e

c o n t e n d e r E 2 7 7

A v o i d i n g t h e p r o b l e m s o f v i b r a t i o n

e m a n a t i n g f r o m d i e s e l a l t e r ¬

n a t o r s E 2 8 3

A n o v e l v i b r a t i o n d a m p e r f r o m

I H I E 2 8 4

A t t e n t i o n t o d e t a i l : t h e k e y t o e f

-f i c i e n t s u p e r t a n k e r d e s i g n . . E 2 8 5

S u b m e r g e d p u m p s a r e i d e a l f o r

m o d e r n c a r g o h a n d l i n g . . . . E 2 9 5

T h e i m p o r t a n c e o f t a n k e r o w n e r s

b e i n g m a i n t e n a n c e - a w a r e . . E 2 9 6

T h e p r o b l e m o f v i s c o u s d r a g o n

h u l l s u r f a c e s E 2 9 8

L o n g t e r m e f f e c t i v e n e s s o f e m

-b e d d e d o f f s h o r e a n c h o ^ ^

A n e w p a i r o f f o r e s t p r o d u c t s

c a r r i e r s f r o m K S E C f o r G o r t h o n s

R e d e r i E 3 0 2

M a n o e u v r a b i l i t y C o n f e r e n c e

r e p o r t E 3 1 4

R e g u l a r F e a t u r e s

C o m m e n t a r y E 2 7 1

N e w s R e v i e w E 2 7 3

N a v a l N e w s E 2 7 6

L e t t e r s t o t h e E d i t o r E 2 7 9

R I N A A f f a i r s E 3 0 8

D i a r y E 3 1 3

Vinca G o r t h o n ; a new ro-ro with many

interesting features. Page E302.

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ë

Naval Architect

The Naval A r c h i t e c t International J o u r n a l 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 Editor: Michael W a k e , BSc, C E n g , MRINA A s s o c i a t e 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 M a n a g e r : 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

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 . T e l e p h o n e : 0 1 - 2 3 5 4 6 2 2 / 4 . Telegrams: Sinai, London. Telex: 2 6 5 8 4 4 SINAI G T e l e f a x : 0 1 - 2 4 5 - 6 9 5 9 Ten Issues published per year: J a n u a r y , February, M a r c h , A p r i l , M a y , J u n e , J u l y , S e p t e m b e r , O c t o b e r and N o v e m b e r Printed in England by

Staples Printers St A l b a n s 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 o p i n i o n s expressed in The Naval Architect unless it is e x p r e s s l y 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 N a v a l 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 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 . A l l r i g h t s r e s e r v e d . No part of t h i s 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 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 n o t , 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 t h a t a full r e f e r e n c e to t h e source is s h o w n . Multiple copying of the contents without permission is always illegal.

ADVERTISEMENT REPRESENTATIVES: G e r m a n y , A u s t r i a a n d S w i t z e r l a n d : T . A n t h o n y , A m L e r c h e n b e r g 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 . T e l : 1 0 4 1 8 3 ) 5 S 4 1 . I t a l y : 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 M a r o s e 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 . S c a n d i n a v i a ; 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 Y s t a d , S w e d e n . T e l : 4 6 . 4 1 1 1 8 4 0 0 . T e l e x ; 3 3 3 3 5 ORNS. A u d i t e d c i r c u l a t i o n 1 9 8 6 J a n u a r y / D e c e m b e r 7 , 6 8 3

ISSN 0 3 0 6 - 0 2 0 9

A B C

Japanese marine industries are lool<ing to

tlie indigenous leisure industry for

survival, sucfi as NKK's MACS 3000

above. Page E325.

C O N T E N T S O C T O B E R

A r e v i e w o f t h e J a p a n e s e

s h i p b u i l d i n g i n d u s t r y E 3 2 5

A n i n t e r a c t i v e p r o g r a m f o r t h e

d e s i g n o f s h i p p r o p e l l e r s b y D r . J .

A . S z a n t y r E 3 4 0

Smit Semi I a n e w s u p p o r t r i g f r o m

V a n d e r G i e s s e n - d e N o o r d E 3 4 3

P u l l - o u t D r a w i n g

Smit Semi 1 E 3 4 5 / 6

R e g u l a r F e a t u r e s

C o m m e n t a r y E 3 1 7

N e w s R e v i e w E 3 1 9

^^jl^l^l^l^^^^^^^^i^

: T r a d e a n d E q u i p m e n t N e w s E 3 3 8

- — ^ ^ R I N A A f f a i r s E 3 5 0

Smit Semi 1 , Smit International's D\arY E 3 5 5

offering for tfie offshore support marl<et.

Page E343.

T e c h n i c a l P a p e r

O p t i m i s a t i o n O f S t i f f e n e d C y l i n d e r s

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 . B a i r d .

OCTOBER 1 9 8 7

E315

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The Naval A r c h i t e c t International J o u r n a l 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 Editor: M i c h a e l W a k e , BSc, C E n g , MRINA A s s o c i a t e 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 : Karen Roberts, BA Subscriptions a n d 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 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 Ten issues published per year: January, February, M a r c h , A p r i l , M a y , J u n e , J u l y , September, October and November Printed in England by

Staples Printers St Albans Limited at The Priory Press

T h e 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 t h e s e are t h e C o u n c i l ' 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 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 u n d e r t h e Berne C o n v e n t i o n and the 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 . A l l r i g h t s r e s e r v e d . N o part o f t h i s 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 t h e 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 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 o f papers or o f articles on c o n d i t i o n t h a t a full r e f e r e n c e t o t h e source is s h o w n . Multiple copying of the contents without permission is always illegal.

ADVERTISEMENT REPRESENTATIVES: G e r m a n y , A u s t r i a 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 . T e l : 1041831 5 5 4 1 . I t a l y : 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 F o n t a n e M a r o s e 3, 1 6 1 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 . T e l e x : 2 8 1 1 9 7 . S c a n d i n a v i a ; 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 Y s t a d , S w e d e n . T e l : 4 6 . 4 1 1 1 8 4 0 0 . T e l e x : 3 3 3 3 5 ORNS.

A B C

A u d i t e d c i r c u l a t i o n 1 9 8 6 J a n u a r y / D e c e m b e r 7 , 6 8 3

ISSN 0 3 0 6 - 0 2 0 9

M

Naval Architect

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.

The Soviet Antarctic supply/research

ship Akademik Fedorov features the

strongest hull ever built by

Rauma-Repola, able to cut through level ice Im

thick. See page E376.

C O i i \ J T E S y i

E M B E R

A n é w p a i r o f t u n n e l - b e a t i n g g i a n t s

f o r P & O E u r o p e a n F e r r i e s ' D o v e r

-C a l a i s r o u t e E 3 6 6

T a n k e r m i n i b o o m p r o m p t s c o n v e r

-s i o n o f t h r e e b u l k c a r r i e r -s t o O B O

s h i p s E 3 7 2

S k i p s c o n s u l e n t f o r e c a s t s h e a l t h y

f u t u r e i n t a n k e r c o n s u l t a n c y E 3 7 2

Akademik Fedorov: a m u l t i p u r p o s e

A n t a r c t i c s u p p l y / r e s e a r c h s h i p f o r

t h e S o v i e t U n i o n E 3 7 6

P u l l - o u t D r a w i n g s

Pride of Dover/Pride of

Calais

E 3 6 7 / 8

Akademik Fedorov. E 3 7 7 / 8

R e g u l a r F e a t u r e s

C o m m e n t a r y

. E 3 5 9

. . E 3 6 1

N a v a l N e w s

. . E 3 6 5

T r a d e & E q u i p m e n t N e w s .

. . E 3 7 3

L e t t e r s t o t h e E d i t o r

. . E 3 8 1

R I N A A f f a i r s

. . E 3 8 2

. E 3 8 7

NOVEMBER 1 9 8 7

E357

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