Contents of The Naval Architect, 1979

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THE MAVAL

A R C H I T E C T

J A N U A R Y , 1979 N o . 1

J o u r n a l of t h e R o y a l 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

Published bi-monthly in January, March, May, July, September and November by the R I N A , 10 Upper Belgrave Street, London SW1X 8BQ.

T e l e p h o n e ; 01 235 4622/3 T e l e g r a m s : Sinai, L o n d o n . Printed by Unwin Brothers Limited Old W o k i n g , Surrey

Editor: R. F. Burnett, BSc, M R I N A E d . A s s i s t a n t : M. W e n y o n , BSc

Cover lilustration: Heerema's n e w t w i n hull, column stabilised, p r o p u l s i o n assisted crane barge. Balder, with a 5,000-ton lifting capacity, classed by Lloyd's Register of S h i p p i n g . (See News Review).

T h e Institution is not as a body, respon-sible for opinions expressed in The Naval Architect unless it is expressly stated that these are the C o u n c i l ' s views.

T h i s publication is copyright under the Berne Convention and the international Copyright C o n v e n t i o n . A l l rights reserved. No part of this publication may be repro-d u c e repro-d , storerepro-d In a retrieval system or transmitted w i t h o u t t h e prior permission of the copyright o w n e r s . Permission is not, however, required to copy 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.

A u d i t e d c i r c u l a t i o n :

J a n u a r y - D e c e m b e r 1977 7 136 A d v e r t i s e m e n t O f f i c e :

Lewin House, D o r k i n g Road, T a d w o r t h , Surrey

T e l . : (073781) 3063 T e l e x ; 859-424 S U B S C R I P T I O N R A T E S ; Single copy £4.00

Six issues £24.00 (S48,00) inc. postage Free to members of the Institution. J A N U A R Y 1979 F e a t u r e A r t i c l e s O f f s h o r e o i l - r e c o v e r y v e s s e l s — a r e v i e w of t h e p r e s e n t s t a t e of t h e a r t C o n v e y o r - t y p e s e l f - u n l o a d i n g e q u i p m e n t f o r a c o a s t a l m o t o r s h i p by H a n s - G e o r g W u l l s c h l a e g e r M a t i n g t h e d e c k a n d l o w e r h u l l s of t h e s e m i - s u b m e r s i b l e Skau Shore I by R. C. B o o k e r , F R I N A S t a b i l i t y at l a r g e a n g l e s a n d h u l l s h a p e c o n s i d e r a t i o n s by D. K. B r o w n , M E n g , R C N C , F R I N A H e a v i n g m o t i o n s of a x i s y m m e t r i c b o d i e s by Ir. B. K r i t i s C o m p u t e r S e r v i c e s : f i n i t e e l e m e n t m o d e l l i n g a n d a n a l y s i s , . t u r b u l e n c e p r o b l e m s , m a r i n e s t r u c t u r e s S h o r t e r A r t i c l e s V o s p e r T h o r n y c r o f t ' s n e w s h i p y a r d f a c i l i t i e s at P o r t c h e s t e r R i g i d hull i n f l a t a b l e s a n d l a u n c h i n g d a v i t s f o r o f f s h o r e d u t i e s S h o r t sea s h i p s f r o m W i v e n h o e s h i p b u i l d e r R e p o r t o n t h e S y m p o s i u m o n t h e D e s i g n of S h i p s ' B r i d g e s S p e c i a l i s e d o f f s h o r e s h i p s f o r s e a b e d o p e r a t i o n s W e s t E u r o p e a n G r a d u a t e E d u c a t i o n in M a r i n e T e c h n o l o g y by R. L. T o w n s i n , B S c , P h D , F R I N A R e g u l a r F e a t u r e s E d i t o r i a l C o m m e n t s N e w s R e v i e w Naval N e w s L e t t e r s t o t h e Editor O f f s h o r e D e s i g n R I N A A f f a i r s F u t u r e m e e t i n g s ; j o i n t I M a r E w o r k i n g party T h r e e n e w p a p e r s f o r w r i t t e n d i s c u s s i o n ; a w a r d s , p r i z e s a n d s c h o l a r s h i p s f o r 1979 P r e s e n t a t i o n of f i r s t S m a l l C r a f t G r o u p M e d a l ; a i m s of t h e S h i p C o n t r o l G r o u p P e r s o n a l n o t e s ; B r a n c h n e w s T E C H N I C A L P A P E R ( w i t h d i s c u s s i o n a n d a u t h o r s ' r e p l i e s ) T o w a r d a U n i f i e d A p p r o a c h t o S h i p S t r u c t u r a l S a f e t y by D. F a u l k n e r , F R I N A , a n d J . A . S a d d e n , M R I N A New Members Editorial Index 1978 9 E d u c a t i o n & R e s e a r c h 30 10 B o o k R e v i e w s 34 12 T e c h n i c a l M e e t i n g s 35 21 I M C O N e w s 36 28 R I N A P u b l i c a t i o n s IBC 13 16 19 22 26 32 18 24 25 27 28 30 37 38 39 40 1 29 31 /

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THE NAVAL

ARCHITECT

M A R C H , 1 9 7 9 N o . 2

Published bi-monthly in January, March, May, July, September and November by the R I N A , 10 Upper Belgrave Street,

London S W 1 X 8 B 0 . T e l e p h o n e : 01 235 4622/3 T e l e g r a m s : Sinai, L o n d o n . Printed by Unwin Brothers Limited Old W o k i n g , Surrey

Cover Illustration: T h e n e w 6 , 8 0 0 t o n B-H Line passenger car ferry Connacht built by V e r o l m e Corl^ Docl<yard L t d and o p e r a t i n g b e t w e e n Corl< and S o u t h W a l e s . (See page 65.) F e a t u r e A r t i c l e s H i g h p e r f o r m a n c e r u d d e r s f o r i m p r o v e d s h i p h a n d l i n g S e a k e e p i n g c o n s i d e r a t i o n s in d e s i g n a n d o p e r a t i o n o f h a r d c h i n e p l a n i n g h u l l s A l t e r n a t i v e diesel p r o p u l s i o n a r r a n g e m e n t s f o r a m o d e r n b u l k c a r r i e r S t e a m p r o p u l s i o n i n t o t h e e i g h t i e s b y H o w a r d C. K. S p e a r s T h e E f f e c t o n S h i p D e s i g n a n d O p e r a t i o n of t h e 1 9 7 8 I M C O T a n k e r S a f e t y a n d P o l l u t i o n P r e v e n t i o n (TSPP) C o n f e r e n c e — r e v i e w of t h e j o i n t I M a r E / R I N A s y m p o s i u m S h o r t e r A r t i c l e s

Connacht—A n e w p a s s e n g e r car f e r r y f o r Irish s e r v i c e

Fishery p r o t e c t i o n v e s s e l s d e s i g n e d f o r B r i t i s h a n d Irish w a t e r s M e m o r a n d u m o n t h e p r a c t i c a l e v a l u a t i o n of i n t a c t d y n a m i c s t a b i l i t y c r i t e r i a b y D. K h o u s h y , PhD Pilot b o a t s f r o m M e r s e y s i d e s h i p y a r d 53 55 60 62 70 65 66 68 69

T h e Institution is not as a body, r e s p o n -sible f o r opinions expressed in The Naval Architect unless it is expressly stated that these are the C o u n c i l ' s views.

T h i s publication is copyright under the Berne Convention and the International Copyright Convention. A l l rights reserved. No part of this publication may be repro-d u c e repro-d , storerepro-d in a retrieval system or transmitted without the prior permission of the copyright o w n e r s . Permission is not, however, required to copy abstracts of papers or of articles on condition that a f u l l reference t o the source is s h o w n . Multiple copying of the contents without permission is always illegal.

ABC

A u d i t e d c i r c u l a t i o n : J a n u a r y - D e c e m b e r 1978

7,276

A d v e r t i s e m e n t O f f i c e :

Lewin House, Dorking Road, T a d w o r t h , Surrey

T e l . : (073781) 3063 T e l e x : 859-424 S U B S C R I P T I O N R A T E S : Single copy £ 4 . 0 0

Six issues £ 2 4 . 0 0 ($48.00) inc. postage Free to members of the I n s t i t u t i o n . M A R C H 1 9 7 9 R e g u l a r F e a t u r e s R I N A P u b l i c a t i o n s 43 T e c h n i c a l M e e t i n g s 7 2 E d i t o r i a l C o m m e n t s 49 B o o k R e v i e w s 73 N e w s R e v i e w 50 E d u c a t i o n & R e s e a r c h 74 N a v a l N e w s 52 L e t t e r s to t h e E d i t o r 75 I M C O N e w s 64 CEI N e w s 76 R I N A A f f a i r s F u t u r e m e e t i n g s ; t h r e e n e w p a p e r s f o r w r i t t e n d i s c u s s i o n S p r i n g m e e t i n g s 1 9 7 9 ( S u m m a r i e s of Papers) I n s t i t u t i o n a w a r d s f o r 1 9 7 8 P e r s o n a l n o t e s , o b i t u a r i e s 7 7 78 79 80 T E C H N I C A L P A P E R S ( w i t h d i s c u s s i o n a n d a u t h o r s ' replies) M o d e r n i s i n g T h e L e a n d e r Class F r i g a t e s b y D. F. W h i t w a m , R C N C , F R I N A , a n d A . J . W a t t y , R C N C , M R I N A 37 T h e P r e d i c t i o n o f P r e s s u r e L o a d s o n P l a n i n g Hulls in C a l m W a t e r b y J . F. W e l l i c o m e , B S c , P h D , M R I N A , a n d J . M . J a h a n g e e r , B S c , P h D

53

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n n

FL

M A Y , 1 9 7 9 N o . 3

Journal of the R o y a l Institution

o f Waval Architects

Published bi-monthly In January, March, May, July, September and November by the R I N A , 10 Upper Belgrave Street, London S W 1 X 8BQ.

T e l e p h o n e : 01 235 4622/3 T e l e g r a m s : Sinai, L o n d o n . Printed by Unwin Brothers Limited Old W o k i n g , Surrey

Editor: R. F. Burnett, BSc, M R I N A Ed. A s s i s t a n t : M. W e n y o n , BSc

Cover lliustratior): The 3 7 , 8 5 0 d w t Yulius Fuchik, built by V a l m e t Oy at Helsinki, heralds a n e w era of barge handling around Eastern Europe. (See page 98.)

T h e Institution is not as a body, r e s p o n -sible for opinions expressed in The Naval Architect unless if is expressly stated that these are the C o u n c i l ' s views.

T h i s publication is copyright under the Berne Convention and the International Copyright Convention. A l l rights reserved. No part ef this publication may be repro-duced, 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 f u l l reference fo the source is s h o w n . Multiple copying of the contents without permission is always illegal.

J a n u a r y - D e c e m b e r 1978

7,276

ABC

A d v e r t i s e m e n t O f f i c e : Lewin House, Dorking Road, T a d w o r t h , Surrey

T e l . : (073781) 3063 Telex: 859-424 S U B S C R I P T I O N R A T E S : Single copy £ 4 . 0 0

Six issues £ 2 4 . 0 0 ($48.00) inc. postage Free to members of the i n s t i t u t i o n .

F e a t u r e A r t i c l e s T h r u s t e r u n i t s f o r s t a t i o n k e e p i n g a n d h i g h m a n o e u v r a b i l i t y L a r g e F i n n i s h - b u i l t b a r g e c a r r i e r s f o r E a s t e r n E u r o p e S t a b i l i s e r a n d a n t i - h e e l i n g t a n k s y s t e m s c o m b i n e d T h e s t r u c t u r a l i m p r o v e m e n t s t o w o o d e n s h i p s i n s t i g a t e d b y R o b e r t S e p p i n g s b y D.K. B r o w n , M E n g , R C N C , F R I N A T h e a d v a n t a g e s of a h i g h l y s k e w e d c o n t r o l l a b l e p i t c h p r o p e l l e r N e w h o r i z o n s f o r h o v e r c r a f t a n d h y d r o f o i l s S h o r t e r A r t i c l e s U n l o a d e d b l a d e t i p s r e d u c e p r o p e l l e r - i n d u c e d v i b r a t i o n First of six n e w o p e n d e s i g n r e e f e r s f o r S a l e n V e r s a t i l e D a n i s h - b u i l t p u r s e s e i n e r a n d t r a w l e r Geysir G i a n t t u r b i n e s in U S o c e a n e n e r g y p r o j e c t L i g h t w e i g h t h o i s t a b l e d e c k s f o r f o r e s t p r o d u c t s / c o n t a i n e r / c a r carrier

T h e s e l f u n l o a d i n g b u l k c e m e n t carrier Golden Bay C o m m e n t on a n e w m e t h o d f o r t e s t i n g sails b y A . M i l l w a r d , B S c , M R I N A ( U n i v e r s i t y o f L i v e r p o o l ) B l o c k c o e f f i c i e n t a n d s e r v i c e s p e e d b y R.L. T o w n s i n , B S c , P h D , FRINA 95 98 100 103 105 108 106 107 110 110 112 113 115 117 91 CEI N e w s 7 7 7 92 B o o k R e v i e w s 7 7 8 94 I M C O N e w s 7 7 9 111 L e t t e r t o t h e E d i t o r 7 2 4 114 R I N A P u b l i c a t i o n s . IBC 116 N e w M e m b e r s

101

R e g u l a r F e a t u r e s E d i t o r i a l C o m m e n t s N e w s R e v i e w N a v a l N e w s O f f s h o r e D e s i g n E d u c a t i o n & R e s e a r c h T e c h n i c a l M e e t i n g s R I N A A f f a i r s F u t u r e m e e t i n g s ; n e w p a p e r f o r w r i t t e n d i s c u s s i o n ; S h i p C o n t r o l G r o u p B r a n c h N e w s A n n u a l G e n e r a l M e e t i n g a n d R e p o r t o f C o u n c i l f o r 1 9 7 8 P e r s o n a l n o t e s T E C H N I C A L P A P E R S ( w i t h d i s c u s s i o n a n d a u t h o r s ' r e p l i e s ) C o r v e t t e K V 7 2 b y Cdr. M . R o r l y , R D N , B. H a n s e n , M S c a n d J . B o w e s , BSc C a l c u l a t i o n s f o r t h e S t e a d y T i l t o f S e m i - s u b m e r s i b l e s in R e g u l a r W a v e s b y J . M a r t i n a n d C. K u o , F R I N A 7 2 0 72 7 7 2 2 7 2 4

71

87

IVlAY 1 9 7 9 ₈₁

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THE NAVAL

J U L Y , 1 9 7 9 N o . 4

Published bi-monthly in January, M a r c h , May, July, September and November by the R I N A , 10 Upper Belgrave Street, London SW1X SBQ.

Cover Illustration: The 2 0 9 • 5m m.v. Arctic, an icebreaking bulk carrier managed by North W a t e r N a v i g a t i o n L t d of IVIontreal. (Sée t h e Technical Paper on A r c t i c Marine T e c h n o l o g y , page 2 1 9 . )

T h e Institution Is not as a body, r e s p o n -sible for opinions expressed in The Naval Architect unless it is expressly stated that these are the C o u n c i l ' s views.

T h i s publication is c o p y r i g h t under the Berne Convention and t h e International Copyright Convention. A l i rights reserved. No part of this publication may be repro-d u c e repro-d , storerepro-d 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 t o copy abstracts of papers or of articles on condition that a f u l l reference to the source is s h o w n . Multiple copying of the contents without permission is always illegal.

ABC

A u d i t e d c i r c u l a t i o n : J a n u a r y - D e c e m b e r 1978

7,276

A d v e r t i s e m e n t O f f i c e :

T e l . : (073781) 3063 T e l e x : 859-424 S U B S C R I P T I O N R A T E S ; Single copy £ 4 . 0 0

Six issues £ 2 4 . 0 0 ($48.00) inc. postage Free to members of the I n s t i t u t i o n .

F e a t u r e A r t i c l e s P r i n c i p a l U K f i s h i n g v e s s e l t y p e s — M e t h o d s o f o p e r a t i o n a n d b a s i c d e s i g n t r e n d s by N. R. C h e e s l e y , M S c , M R I N A a n d J . F. F o s t e r , B S c , M R I N A 138 C o m m e r c i a l i n l a n d w a t e r w a y s — A r e v i e w of d e v e l o p m e n t s in t h e UK a n d o n t h e C o n t i n e n t 7 4 6 A p r o b a b i l i s t i c a p p r o a c h t o a n c h o r d e s i g n b y R. C. H a r v e y , B S c , P h D , MICE 7 5 3 S t a t i s t i c a l e s t i m a t i o n o f r e d u c t i o n c o e f f i c i e n t of s h i p ' s hull p l a t e s w i t h i n i t i a l d e f l e c t i o n s b y L. D. I v a n o v , M R I N A a n d S. G. R o u s e v 7 5 8 S h o r t e r A r t i c l e s Finnish w i n t e r t r a w l e r t o f i s h t h r o u g h B a l t i c ice 7 4 4 N e w GRP c o n s t r u c t i o n c o m p l e x o p e n e d o n t h e C l y d e 7 4 5 D o u b l e d e l i v e r y o f f e r r i e s f o r K u w a i t f r o m S i n g a p o r e y a r d 7 5 2 I M C O : P r o f i l e o f t h e M a r i t i m e S a f e t y C o m m i t t e e a n d i t s n e w C h a i r m a n 7 5 5 CEI: P r o f e s s i o n a l e n g i n e e r s a n d t r a d e u n i o n s 7 5 7 T h o u g h t s o n s m a l l c r a f t s t a b i l i t y a n d c a p s i z e b y Paul W i n c h , B S c , M R I N A 7 6 2 R e g u l a r F e a t u r e s E d i t o r i a l C o m m e n t s 7 3 3 CEI N e w s 7 5 7 N e w s R e v i e w 7 3 4 E d u c a t i o n & R e s e a r c h 7 6 7 N a v a l N e w s 7 3 7 B o o k R e v i e w s 7 6 3 O f f s h o r e D e s i g n 757 T e c h n i c a l M e e t i n g s 7 6 4 I M C O N e w s 7 5 5 R I N A P u b l i c a t i o n s IBC L e t t e r s t o t h e E d i t o r 7 5 6 R I N A A f f a i r s F u t u r e m e e t i n g s ; t h r e e n e w p a p e r s f o r w r i t t e n d i s c u s s i o n 7 6 5 T h e A n n u a l D i n n e r o f t h e I n s t i t u t i o n 1 9 7 9 7 6 6 P e r s o n a l n o t e s ; S m a l l C r a f t G r o u p ; f u r t h e r m e e t i n g s 7 6 7 B r a n c h N e w s ; Q u e e n ' s B i r t h d a y H o n o u r s 7 6 8 T E C H N I C A L P A P E R S ( w i t h d i s c u s s i o n a n d a u t h o r s ' r e p l i e s ) I n t e g r a t e d T r e a t m e n t of S t a t i c a n d V i b r a t o r y B e h a v i o u r o f T w i n - S c r e w 5 5 3 , 0 0 0 d w t T a n k e r s b y G. C. V o l c y , M R I N A , M . B a u d i n a n d P. M o r e l 197 A r c t i c M a r i n e T e c h n o l o g y : A R e v i e w of S h i p R e s i s t a n c e in Ice b y T. H. P e i r c e , B S c , M S N A M E , M I M C 219

Council and Officers of the Institution 236

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TUE

M

fl\ \\// /a'

S E P T E M B E R , 1979 N o . 5

Editor: R. F. Burnett, BSc, M R I N A

Cover illustration: The 10,500grt Ital-ian car-passenger ferry DomizItal-iana under c o n s t r u c t i o n at the Castellam-mare dl Stabia yard of Italcantleri. (See page 189.)

The Institution is not as a body, r e s p o n -sible for opinions expressed in The Naval Architect unless it is expressly stated that these are the C o u n c i l ' s views.

T h i s publication Is c o p y r i g h t under the Berne Convention and the International Copyright Convention. AU rights reserved. No part of this publication may be repro-duced, stored in a retrieval system or transmitted w i t h o u t the prior permission of the copyright o w n e r s . Permission Is not, however, required t o copy abstracts of papers or of articles on c o n d i t i o n that a f u l l reference t o the source is s h o w n . Multiple copying of the contents without permission is always illegal.

J a n u a r y - D e c e m b e r 1978 7,276 A d v e r t i s e m e n t O f f i c e :

T e l . : (073781) 3063 T e l e x ; 859-424 C l a s s i f i e d A d v e r t i s e m e n t s : 10 Upper Belgrave Street, London SW1X 8BQ S U B S C R I P T I O N R A T E S : Single copy £4.00

Six issues £24.00 (S48.00) Inc. postage Free to members of the I n s t i t u t i o n . SEPTEMBER, 1979 F e a t u r e A r t i c l e s Y a r r o w ' s n e w G R P f a c i l i t y r e v i e w e d by M. E. R. C o l l i s , F R I N A R e i n f o r c i n g t h e f u t u r e — a s t a t e - o f - t h e - a r t look at r e i n f o r c e d p l a s t i c m a t e r i a l s a n d m e t h o d o l o g y E u r o p e a n c a n a l c r a f t by D a g Pike R e s t o r a t i o n of h i s t o r i c s h i p s by T h e M a r i t i m e T r u s t T h e v i a b i l i t y of c o m m e r c i a l s a i l i n g s h i p s — a r e a s f o r r e s e a r c h R e p o r t on an S M T R B s y m p o s i u m S h o r t e r A r t i c l e s T y p e 24 f r i g a t e d e v e l o p e d by Y a r r o w f o r B r i t i s h S h i p b u i l d e r s ' e x p o r t m a r k e t T h e Royal N a v y ' s T y p e 22 f r i g a t e H u n t - c l a s s s i m u l a t o r f a c i l i t y f o r G o s p o r t N e w s e r i e s of I t a l i a n f e r r i e s b u i l t f o r T i r r e n i a Four v e r s a t i l e D a n i s h r o - r o s h i p s f o r U S G u l f - M e d i t e r r a n e a n s e r v i c e N K K ' s i m p r o v e d m e m b r a n e c o n t a i n m e n t s y s t e m f o r l a r g e L N G c a r r i e r d e s i g n A t t r a c t i o n s of t h e 80,000dwt A f r a m a x t a n k e r Exotic c r a f t f o r s a i l i n g s p e e d r e c o r d a t t e m p t A 50m D a n i s h f i s h e r y p r o t e c t i o n v e s s e l w i t h h e l i c o p t e r l a n d i n g f a c i l i t y B o o k R e v i e w s E d u c a t i o n & R e s e a r c h T e c h n i c a l M e e t i n g s R I N A P u b l i c a t i o n s R e g u l a r F e a t u r e s E d i t o r i a l C o m m e n t s 179 N e w s R e v i e w 180 Naval N e w s 183 I M C O N e w s 204 O f f s h o r e D e s i g n 205 R I N A A f f a i r s F u t u r e M e e t i n g s N e w P a p e r s f o r W r i t t e n D i s c u s s i o n B r a n c h N e w s P e r s o n a l N o t e s T E C H N I C A L P A P E R S ( w i t h d i s c u s s i o n a n d a u t h o r s ' r e p l i e s ) T h e B r e n t O i l F i e l d — F r o m D i s c o v e r y t o R e f i n e r y by M. F. S h e p h e r d , M A N e w C o n c e p t s in t h e D e s i g n of S h i p b o a r d A c c o m m o d a t i o n a n d W o r k i n g S p a c e s by J . G. D. C a i n , M I M a r E , M R I N A a n d M, R. H a t f i e l d , B S c 184 187 191 195 200 182 183 186 189 190 199 202 203 205 206 207 208 IBC 209 210 211 212 237 251 169

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N O V E M B E R , 1979 N o . 6 J o u r n a l of t h e R o y a l 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 e l e p h o n e ; 01 235 4622/3 T e l e g r a m s ; Sinai, L o n d o n . Printed by Unwin Brothers Limited Old W o k i n g , Surrey

Editor: R. F. Burnett, BSc, M R I N A E d . A s s i s t a n t . A . P. Wylde, BSc

Cover illustration: The launching in October of HMS Splendid, the Royal Navy's twelfth nuclear powered fleet submarine, at the Barrow Yard of Vickers Shipbuilding Group Ltd. (See page 226).

The Institution is not as a body, r e s p o n -sible for opinions expressed in The Naval Architect unless it is expressly stated that these are the C o u n c i l ' s views.

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J a n u a r y - D e c e m b e r 1978 7,276

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A d v e r t i s e m e n t O f f i c e : Lewin House, Dorking Road, T a d w o r t h , Surrey

T e l . ; (073781) 3063 Telex; 859-424 C l a s s i f i e d A d v e r t i s e m e n t s : 10 Upper Belgrave Street, L o n d o n SW1X 8BQ S U B S C R I P T I O N R A T E S ; Single copy £4.00

Six issues £24.00 (S48.00) inc. postage Free to members of the I n s t i t u t i o n .

NOVEMBER, 1979 F e a t u r e A r t i c l e s S h i p d e s i g n s at t h e Royal Navy E q u i p m e n t E x h i b i t i o n 1979: T y p e 2400 s u b m a r i n e , Mark 17 f r i g a t e , c o r v e t t e s , c o n v e r s i o n s , s t r i k e a n d p a t r o l c r a f t 227 M o d e r n m a r i n e jet p r o p u l s i o n by G. H. D a v i s o n , BE, F R I N A 234 R e i n f o r c i n g t h e f u t u r e — u s e of G R P m a t e r i a l s by S. G. W i l l i a m s 241 A n a p p r o x i m a t e m e t h o d f o r f i n d i n g m a x i m u m KG to s a t i s f y t h e I M C O i n t a c t s t a b i l i t y c r i t e r i a by A . V . K r i s h n a R a o , D r I n g , M R I N A 246 C o m p u t e r a p p l i c a t i o n s in t h e a u t o m a t i o n of s h i p y a r d o p e r a t i o n a n d s h i p d e s i g n — a r e p o r t o n I C C A S 79 248 S h o r t e r A r t i c l e s S w e d i s h f e r r i e s w i t h m u l t i p l e h i g h - s p e e d e n g i n e i n s t a l l a t i o n s 233 C a r g o g e a r ; heavy lift s l e w i n g d e r r i c k a n d s h i p m o u n t e d bulk u n l o a d e r 236 P r o b l e m s w i t h s t e r n d e s i g n o n s m a l l s h i p s by J . R. F l e w i t t , M R I N A 238 W a v e e n e r g y f o r p r o p e l l i n g c r a f t — n o t h i n g n e w 239 L a u n c h of t h e 25,000 t o n n e M u r c h i s o n j a c k e t 244 R e g u l a r F e a t u r e s R I N A P u b l i c a t i o n s 221 E d i t o r i a l C o m m e n t s 223 N e w s Review 224 Naval N e w s 226 I M C O N e w s 240 L e t t e r t o t h e E d i t o r 240 O f f s h o r e D e s i g n 244 E d u c a t i o n & R e s e a r c h 251 B o o k R e v i e w s 253 T e c h n i c a l M e e t i n g s 254 CEI N e w s 260 R I N A A f f a i r s F u t u r e m e e t i n g s , n e w p a p e r s f o r w r i t t e n d i s c u s s i o n R I N A S y m p o s i u m on P r o p e l l e r I n d u c e d S h i p V i b r a t i o n ( s u m m a r i e s of p a p e r s ) B r a n c h N e w s S c h o l a r s h i p A w a r d s 1979, P e r s o n a l N o t e s T E C H N I C A L P A P E R S ( w i t h d i s c u s s i o n a n d a u t h o r s ' r e p l i e s ) P r o p e l l e r D e s i g n f o r M i n i m u m H u l l E x c i t a t i o n by E. J . G l o v e r , B S c , P h D , F R I N A , J . F. T h o r n , B S c , M R I N A , a n d L. H a w d o n , F R I N A W i n d T u n n e l I n v e s t i g a t i o n of S e m i - B a l a n c e d S h i p S k e g - R u d d e r s by P r o f e s s o r G. J . G o o d r i c h , B S c , F R I N A a n d A . F. M o l l a n d , M S c , M R I N A New Members 255 256 258 259 267 285 308 213