The Naval
Architect
I n t e r n a t i o n a l J o u r n a l of t h e
R o y a l Institution of N a v a l A r c h i t e c t s
Editor: iVliciiael Wal<e, BSc, C.Eng,
MRINA
Editorial Assistant: Gillian Cartwriqht
BA
Sales Director: Henry R. Jackson
Advertisement Sales: Serena Lockhart
Circulation and Publications: Lesley
Smithers
Editorial and Advertisement Office:
10 U p p e r B e l g r a v e S t r e e t ,
L o n d o n S W 1 X 8 B Q .
T e l e p h o n e : 01-235-4622/4
T e l e g r a m s : S i n a i , L o n d o n .
T e l e x : 265 844 S I N A I G
P u b l i s h e d b i - m o n t h l y in J a n u a r y , M a r c h ,
May, J u l y , S e p t e m b e r a n d N o v e m b e r
P r i n t e d by U n w i n B r o t h e r s L i m i t e d ,
O l d W o k i n g , S u r r e y
T h e I n s t i t u t i o n is not as a body, r e s p o n s i b l e for
o p i n i o n s expressed in The Naval Architect unless
It is expressly stated that t h e s e are the C o u n c i l ' s
views.
© 1 9 & ; 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 .
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 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 . A l l rights reserved. No part of t h i s
p u b l i c a t i o n may 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 the c o p y r i g h t o w n e r s . P e r m i s s i o n
is not, however, required to copy abstracts of
papers or of articles on c o n d i t i o n that a f u l l
reference to t h e source Is s h o w n . IVIulUple
copying of the contents without permission Is
always illegal.
ADVERTISEIVIENT
R E P R E S E N T A T I V E S :
Far E a s t ( J a p a n , H o n g K o n g , Korea e t c . ) :
Louis W o n g , Falcon A d v e r t i s i n g C o r p o r a t i o n ,
S u i t e 17E, Tak Lee C o m m e r c i a l B u i l d i n g , 113-117
W a n c h a i Road, H o n g K o n g . T e l : 5-738277 T e l e x :
60975 F I H K C HX.
F r a n c e :
E. C o s t e m e n d , A g e n c e G u s t a v Elm, 41 A v e n u e
M o n t a i g n e , 75008 Paris, France. T e l ; 720-25-30,
723-32-67/96-85. Telex: 290 260 G U S T E L M F
G e r m a n y :
T . A n t h o n y , A m Turnlerplatz8,2112 J e s t e b u r g b,
H a m b u r g , Germany. T e l : (04183) 5541.
I t a l y :
V i t t o r l o F. Negrone, Ediconsult Internazionale,
Piazza Fontane Marose 3, 16123 Genoa, Italy.
T e l : 543.659; 268.334; 268.513. T e l e x : 211197.
Scandinavia:
AB Stephan R. G. Orn, PO Box 184, S-27100 Ystad,
Sweden. Tel: 4 6 - 4 1 1 - 1 8 4 0 0 . Telex: 33335 ORNS.
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 1982
8,206
I S S N 0306-0209
In th
I
nuary issue:
A r a h u r a — a new diesel/electric ferry for New Zealand E11
First M . A . N . — B & W L 6 0 M C / M C E diesel engine in Europe E17
A novel evacuation control system f j g
Cargo g e a r — a review...
Impressions of Europort ' 8 3 £ 2 5
3 0 knots on a sailboard £29
C o m p u t e r s — a digest of design applications E31
Progress w i t h sail assistance ^ 3 7
The rail/passenger/vehicle ferry Arahura launched at the Aalborg Vaerft yard in Denmark
Regular F e a t u r e s
Editorial Comments
News Review
Naval News
Update
E3 Letters t o the Editor
E5 New Marine Equipment
E9 Diary
E28 Viewpoint
E41
E44
E55
E56
T E C H N I C A L P A P E R S (with discussion and author's reply)
The Evaluation of the Hydrofoil HMS Speedy by D. K. B r o w n
J . P. Catchpole and A. M. J . Shand
A n Extrapolation M e t h o d for Ship Resistance based on the
Variation of Sinkage and Trim w i t h Froude Number by A. M.
Ferguson
1
17
J A N U A R Y 1 9 8 4
The Naval
Architect
I n t e r n a t i o n a l J o u r n a l of t h e
R o y a l Institution of N a v a l A r c h i t e c t s
Editor:
IVIichael
Wake,
B S c , C . E n g ,
IVIRINA
Editorial Assistant: Gillian C a r t w r i g h t ,
B A
Sales Director: H e n r y R. J a c k s o n
Advertisement Sales:
S e r e n a L o c k h a r t
Circulation and Publications:
L e s l e y
S m i t h e r s
Editorial and Advertisement Office:
10 U p p e r B e l g r a v e S t r e e t ,
L o n d o n S W 1 X 8 B Q .
T e l e p h o n e : 01-235-4622/4
T e l e g r a m s : S i n a i , L o n d o n .
T e l e x : 265 844 S I N A I G
T e n i s s u e s p u b l i s h e d per y e a r : J a n u a r y ,
F e b r u a r y , 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 a n d N o v e m b e r
P r m t e d by U n w i n B r o t h e r s L i m i t e d ,
O l d W o k i n g , S u r r e y
T h e Institution is not as a body, r e s p o n s i b l e f o r
o p i n i o n s expressed in The Naval Architect un\ess
It is expressly stated t h a t these are the C o u n c i l ' s
view/s.
© 1984: 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 .
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 a n d f h e International C o p y r i g h t
C o n v e n t i o n . A l l rights reserved. No part of t h i s
p u b l i c a t i o n may be r e p r o d u c e d , s t o r e d In a
retrieval system 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 . P e r m i s s i o n
is not, however, required to c o p y abstracts of
papers or of articles o n c o n d i t i o n t h a t a f u l l
reference to 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.
A D V E R T I S E M E N T
R E P R E S E N T A T I V E S :
F a r E a s t ( J a p a n , H o n g K o n g , Korea e t c . ) ;
L o u i s W o n g , Falcon A d v e r t i s i n g C o r p o r a t i o n ,
S u i t e 17E, Tak Lee C o m m e r c i a l B u i l d i n g , 113-117
W a n c h a i Road, H o n g K o n g . T e l : 5-738277 T e l e x ;
60975 F I H K C HX.
F r a n c e :
E. C o s t e m e n d , A g e n c e Gustav Elm, 41 A v e n u e
M o n t a i g n e , 75008 Paris, France. T e l : 720-25-30,
723-32-67/96-85. T e l e x : 290 260 G U S T E L M F
G e r m a n y :
T . A n t h o n y , A m Turnlerplatz8,2112 J e s t e b u r g b,
H a m b u r g , Germany. T e l : (04183) 5541.
I t a l y :
V i t t o r l o F. Negrone, E d i c o n s u l t Internazionale,
Piazza Fontane Marose 3, 16123 Genoa, Italy.
T e l ; 543.659; 268.334; 268.513. T e l e x ; 211197.
Scandinavia:
AB Stephan R. G. Orn, PO Box 184, S-27100 Ystad,
Sweden. Tel: 4 6 - 4 1 1 - 1 8 4 0 0 . Telex: 33335 ORNS.
A B C
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 1982 8,206
I S S N 0306-0209
In the February issue;
In-service experiences w i t h H M S Peacock E67
Unusual sailing systems for kites by Theodor Schmidt E75
Scandinavian proposals for floating offshore production s y s t e m s —
a review by Reg North E77
Long t e r m statistics of w a v e heights and periods—digest of an
NMI report E80
A new home for C h e v e r t o n — a report by Harry W h e a t o n E83
Sulzer introduce a new baby E84
At sea with HMS P e a c o c k — p a g e E67.
Regular F e a t u r e s
Editorial Comments
News Review
Naval News
Letters t o t h e Editor
E59 New Marine Equipment
E61 Update
E65 Diary
E72 Viewpoint
T E C H N I C A L P A P E R (with discussion and author's reply)
A n effective approach t o structural design for production by C. Kuo,
K. J . MacCallum and R. A . Shenoi
E84
E86
E91
E92
3 3
F E B R U A R Y 1 9 8 4
E57
The Naval
Architect
I n t e r n a t i o n a l 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 E d i t o r : M i c h a e l W a k e , B S c , C . E n g , M R I N A E d i t o r i a l A s s i s t a n t : G i l l i a n C a r t w r i g h t , B A S a l e s D i r e c t o r : H e n r y R. J a c k s o n A d v e r t i s e m e n t S a l e s : J o h n H o u s t o n S u b s c r i p t i o n s a n d P u b l i c a t i o n s : L e s l e y S m i t h e r s E d i t o r i a l a n d A d v e r t i s e m e n t O f f i c e : 1 0 U p p e r B e l g r a v e S t r e e t , L o n d o n S W 1 X 8 B Q . T e l e p h o n e : 0 1 - 2 3 5 - 4 6 2 2 / 4 . T e l e g r a m s : S i n a i , L o n d o n . T e l e x : 2 6 5 8 4 S I N A I G T e n i s s u e s p u b l i s h e d p e r y e a r : J a n u a r y , F e b r u a r y , 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 a n d N o v e m b e r P r i n t e d by U n w i n B r o t h e r s L i m i t e d , O l d W o k i n g , S u r r e y 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 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 the C o u n c i l ' s v i e w s . © 1 9 8 4 : T h e 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 . 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 . 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 t h e prior p e r m i s s i o n o f 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 o n 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 of the contents withoutpermission is always illegal
A D V E R T I S E M E N T R E P R E S E N T A T I V E S :
Far East ( J a p a n . H o n g K o n g , Korea e t c . ) : Louis W o n g , F a l c o n A d v e r t i s i n g C o r p o r a t i o n , S u i t e 1 7 E , Tak Lee C o m m e r c i a l B u i l d i n g , 1 1 3 - 1 1 7 W a n c h a i R o a d , H o n g K o n g . T e l : 5 - 7 3 8 2 7 7 T e l e x : 6 0 9 7 5 FIHKC H X . F r a n c e : E. C o s t e m e n d , A g e n c e G u s t a v E l m , 4 1 A v e n u e M o n t a i g n e , 7 5 0 0 8 Paris, France. T e l : 7 2 0 - 2 5 - 3 0 . 7 2 3 - 3 2 - 6 7 / 9 6 - 8 5 . T e l e x : 2 9 0 2 6 0 G U S T E L M F G e r m a n y : T. A n t h o n y , A m T u r n i e r p l a t z 8 , 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 1 831 6 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 z 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 , 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 1 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. Ö 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 ;
January-December 1982 8,206
A B C
I S S N 0 3 0 6 - 0 2 0 9
the Marelh issuer
Large bore four-stroke announced by IVI.A.N.-B&W E103
A review of Japanese propulsion developments f 7 0 5
Propulsion round-up EW8
New ideas wanted on ship design for operation El 7 7
Pioneering C A D / C A M application E7 75
Single Point Moorings—model tests or computer analysis E7 7 7
Temporary SPM/productlon unit E7 78
Wartsila's Singapore connection, page El09.
I ( /
The virtues of the V-cylinder medium speed engine are more appreciated by the designer than the operator. A new trend is set by M.A.N. -B&W, page EW3.
Regular Features
Editorial Comments
News Review
Naval News
Letters t o the Editor
E95 Trade & Equipment News E720
E97 Update E722
E701 Diary E727
E7 70 Viewpoint E728
MARCH 1 9 8 4
TECHNICAL PAPER ( w i t h discussion and author's reply)
The Dynamic Behaviour of Single and Multiple Moored Vessels by A . K. Brook
and D. Byrne 5 3
E93
The Naval
Architect
I n t e r n a t i o n a l J o u r n a l of t i i 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 l i i t e c t s E d i t o r : M i c h a e l W a k e , B S c , C . E n g , M R I N A E d i t o r i a l A s s i s t a n t : G i l l i a n C a r t w r i g h t , B A S a l e s D i r e c t o r : H e n r y R. J a c k s o n A d v e r t i s e m e n t S a l e s : J o h n H o u s t o n S u b s c r i p t i o n s a n d P u b l i c a t i o n s : L e s l e y S m i t h e r s E d i t o r i a l a n d A d v e r t i s e m e n t O f f i c e : 1 0 U p p e r B e l g r a v e S t r e e t , L o n d o n S W 1 X S B Q . T e l e p h o n e : 0 1 - 2 3 5 - 4 6 2 2 / 4 . T e l e g r a m s : S i n a i , L o n d o n . T e l e x : 2 6 5 8 4 S I N A I G T e n I s s u e s p u b l i s h e d p e r y e a r : J a n u a r y , F e b r u a r y , 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 a n d N o v e m b e r P r i n t e d b y U n w i n B r o t h e r s L i m i t e d , O l d W o k i n g , S u r r e y 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 f o r o p i n i o n s expressed in The Naval Architect urAess i t is e x p r e s s l y s t a t e d t h a t these are t h e C o u n c i l ' s v i e w s . © 1 9 8 4 : T h e 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 . 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 a n d 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 rights re-served. N o part o f 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 t h e prior p e r m i s s i o n o f t h e c o p y r i g h t o w n e r s . P e r m i s s i o n 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 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 copyirig of the contents withoutpermission is always illegal.
ADVERTISEIVIENT
REPRESENTATIVES:
Far East ( J a p a n , H o n g K o n g , Korea e t c . I : Louis W o n g , Falcon A d v e r t i s i n g C o r p o r a t i o n , Suite 1 7 E , T a k Lee C o m m e r c i a l B u i l d i n g , 1 1 3 - 1 1 7 W a n c h a i R o a d , Hong K o n g . T e l : 5 - 7 3 8 2 7 7 T e l e x : 6 0 9 7 6 FIHKC H X . F r a n c e : E. C o s t e m e n d , A g e n c e G u s t a v E l m , 4 1 A v e n u e M o n t a i g n e , 7 5 0 0 8 Paris, France. T e l : 7 2 0 - 2 5 - 3 0 , 7 2 3 - 3 2 - 6 7 / 9 6 - 8 5 . T e l e x : 2 9 0 2 6 0 G U S T E L M F G e r m a n y : T . A n t h o n y . A m Turnierplatz 8 , 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 5 5 4 1 . Italy: V i t t o r i o F. Negrone, Ediconsult I n t e r n a z i o n a l e , 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 . 5 1 3 . T e l e x : 2 1 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. Ö r n , PO B o x 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 .
In the April issue:
A u r f i t e d c i r c u l a t i o n ;
January-Decemberl 9 8 3 8 , 4 0 8
I S S N 0 3 0 6 - 0 2 0 9
Atlantic Companion—the first of the new generation container/
r o - r o ships for ACL E139
Mitsubishi joins Sulzer and M.A.N.-B&W w i t h a new
long-stroke diesel engine E144
Drops and Bubbles by James Paffett £ 7 4 5
New applications for Sperry's CAS II ARPA E146
GVA completes its f i f t h semi-submersible for Consafe Offshore f 7 4 7
Clarke Chapman launches a new range of deck cranes f 7 4 9
Caterpillar announces details of Its new big bore engine f 7 4 9
A t l a n t i c C o m p a n i o n under construction in Koclcums' yard in Malmo (see page El391
Regular Features
Editorial Comments
News Review
Naval News
Letters to the Editor
£ 7 3 7 Trade & Equipment News
f 7 5 3 Update
f 7 3 7 Diary
f 7 5 0 Viewpoint
TECHNICAL PAPER ( w i t h discussion and author's reply)
The Design of a Sailing Hydrofoil-FORCE 8 by D. R. Pattison
f 7 5 2
f 7 5 4
f 7 5 9
f 7 6 0
7 3
A P R I L 1 9 8 4 E129The Naval
I n t e r n a t i o n a l J o u r n a l o f t l i e R o y a l I n s t i t u t i o n of IMaval A r c h i i t e c t s E d i t o r : M i c h a e l W a k e , B S c , C . E n g , M R I N A E d i t o r i a l A s s i s t a n t : G i l l i a n C a r t w r i g h t , B A S a l e s D i r e c t o r : H e n r y R. J a c k s o n A d v e r t i s e m e n t S a l e s : J o h n H o u s t o n S u b s c r i p t i o n s a n d P u b l i c a t i o n s : L e s l e y S m i t h e r s E d i t o r i a l a n d A d v e r t i s e m e n t O f f i c e : 1 0 U p p e r B e l g r a v e S t r e e t , L o n d o n S W 1 X S B Q . T e l e p h o n e : 0 1 - 2 3 5 - 4 6 2 2 / 4 . T e l e g r a m s : S i n a i , L o n d o n . T e l e x : 2 6 5 8 4 S I N A I G T e n I s s u e s p u b l i s h e d p e r y e a r : J a n u a r y , F e b r u a r y , 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 a n d N o v e m b e r P r i n t e d by U n w i n B r o t h e r s L i m i t e d , O l d W o k i n g , S u r r e y 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 f o r o p i n i o n s expressed in The Naval Architect \in\ess it is expressly s t a t e d t h a t these are t h e C o u n c i l ' s v i e w s . © 1 9 8 4 : T h e 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 . 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 Con-v e n t i o n a n d 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 Con-v e n t i o n . A l l r i g h t s re-served. No part o f 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 t h e prior p e r m i s s i o n o f 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 o r of articles on c o n d i t i o n t h a t a f u l l 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 withoutpermission Is always illegal.
A D V E R T I S E M E M T R E P R E S E N T A T I V E S :
Far East ( J a p a n , H o n g K o n g , Korea e t c ) ; Louis W o n g , Falcon A d v e r t i s i n g C o r p o r a t i o n , Suite 1 7 E , T a k Lee C o m m e r c i a l B u i l d i n g , 1 1 3 - 1 1 7 W a n c h a i R o a d , H o n g K o n g . T e l : 5 - 7 3 8 2 7 7 T e l e x : 6 0 9 7 5 FIHKC H X . France: E. C o s t e m e n d , A g e n c e G u s t a v E l m , 4 1 A v e n u e M o n t a i g n e , 7 5 0 0 8 Paris, France. T e l : 7 2 0 - 2 5 - 3 0 , 7 2 3 - 3 2 - 6 7 / 9 6 - 8 5 . T e l e x : 2 9 0 2 6 0 G U S T E L M F G e r m a n y : T . A n t h o n y , A m T u r n i e r p l a t z 8 , 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 ) 5 5 4 1 . Italy: 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 z 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 , 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 1 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. Ö r n , PO B o x 1 8 4 , S - 2 7 1 0 0 Y s t a d , S w e d e n . T e l : 4 8 - 4 1 1 - 1 8 4 0 0 , T e l e x : 3 3 3 3 5 O R N S .
A B C
A u d i t e d c i r c u l a t i o n :January-December 1 9 8 3 8 , 4 0 8
I S S N 0 3 0 6 - 0 2 0 9
In tha Hay issue:
7"o/?/ra//l/7art/—IHrs n e w s u p e r e c o n o m i c a l
vice
El 71
J a p a n ' s n e w f l e e t o f M o s s - t y p e LNG c a r r i e r s E177
W a r t s i l a i n t r o d u c e a c o n s t a n t s p e e d g e n e r a t o r d r i v e E182
Gas t u r b i n e t o diesel c o n v e r s i o n f o r Iron Carpentaria a n d
Iron Curtis El82
L i g h t w e i g t i t a n d c o r r o s i o n r e s i s t a n t GRP p i p e s El83
So y o u t h i n k i t ' s b a d in E u r o p e — s h i p b u i l d i n g in t h e U S A El87
A v o i d t o be f i l l e d — m i n e w a r f a r e v e s s e l r e v i e w b y
A n t o n y P r e s t o n El99
P r e v i e w o f R I N A ' s m i n e w a r f a r e s y m p o s i u m E203
T o h k a l M a r u is fitteiJ witii IHI's Additional Thrust fin —Page El 71.
Sweden's new l\/ICMV L a n d s o r t -E199. E c h i g o M a r u built by Mitsubishi—Page E177.
Regular Features
Editorial Comments
News Review
Naval News
Letters t o the Editor
E163
E165
El 69
E184
Trade & Equipment News
Update
Diary
Viewpoint
TECHNICAL PAPER ( w i t h discussion and author's reply)
Some Practical Aspects of Anchoring Large Ships by Prof. J . King
M A Y 1 9 8 4
E189
El 92
E223
E224
9 3
E I 6 IT h e li\5avaï
I n t e r n a t i o n a l 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
E d i t o r :
M i c h a e l W a k e , B S c , C . E n g , M R I N A
E d i t o r i a l A s s i s t a n t :
G i l l i a n C a r t w r i g h t , B A
S a l e s D i r e c t o r : H e n r y R. J a c k s o n
A d v e r t i s e m e n t S a l e s : J o h n H o u s t o n
S u b s c r i p t i o n s a n d P u b l i c a t i o n s :
L e s l e y S m i t h e r s
E d i t o r i a l a n d A d v e r t i s e m e n t O f f i c e :
1 0 U p p e r B e l g r a v e S t r e e t ,
L o n d o n S W 1 X 8 B Q .
T e l e p h o n e : 0 1 - 2 3 5 - 4 6 2 2 / 4 .
T e l e g r a m s : S i n a i , L o n d o n .
T e l e x : 2 6 5 8 4 4 S I N A I G
T e n i s s u e s p u b l i s h e d per y e a r :
J a n u a r y , F e b r u a r y , 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
a n d N o v e m b e r
P r i n t e d by U n w i n B r o t h e r s L i m i t e d ,
O l d W o k i n g , S u r r e y
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 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 4 ; T h e 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 . 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 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 rights re-served. No p a r t 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 t h e prior p e r m i s s i o n o f 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 a r t i c l e s o n c o n d i t i o n t h a t a fuli r e f e r e n c e t o the s o u r c e Is s h o w n . Multiple copyirig of the contents withoutpermission is always illegal.
A D V E R T I S E M E N T
R E P R E S E N T A T I V E S ;
Far East ( J a p a n , H o n g K o n g , Korea e t c . ) : Louis W o n g , Falcon A d v e r t i s i n g C o r p o r a t i o n , Suite 2 3 E , T a k Lee C o m m e r c i a l B u i l d i n g , 1 1 3 - 1 1 7 W a n c h a i R o a d , H o n g K o n g . GPO Box 1 1 4 2 9 C e n t r a l H o n g K o n g . T e l : 5 . 8 9 3 1 3 8 7 T e l e x : 7 2 9 0 8 C S A A K . France: E. C o s t e m e n d , A g e n c e G u s t a v E l m , 4 1 A v e n u e M o n t a i g n e . 7 5 0 0 8 Paris, France. T e l : 7 2 0 - 2 5 - 3 0 , 7 2 3 - 3 2 - 6 7 / 9 6 - 8 5 . T e l e x : 2 9 0 2 6 0 G U S T E L M F G e r m a n y : T. A n t h o n y , A m T u r n i e r p l a t z 8 , 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 : 1041 8 3 ) 5 5 4 1 . I t a l y : V i t t o r i o F. N e g r o n e , Ediconsult I n t e r n a z 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 . 5 1 3 . T e l e x : 2 1 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. Ö 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 circulation:
J a n u a r y - D e c e m b e r l 9 8 3 8 , 4 0 8
I S S N 0 3 0 6 - 0 2 0 9
A B C
LAKENES f i r s t o f t w o b u l k c a r r i e r s f o r J e b s e n U K L t d f i t t e d
w i t f i W a r t s i l a a c c o n n m o d a t i o n m o d u l e s E237
H i g f i e s t e f f i c i e n c y t u r b o c t i a r g e r i n t r o d u c e d by B B C E240
East m e e t s W e s t at H a g g l u n d s E241
L o w w e a r r a t e s f o r f l o a t i n g s h a f t seals E241
T o m o d u l a t e or p r e f a b r i c a t e , t i i a t is t h e q u e s t i o n ? A r e v i e w o f
a c c o m m o d a t i o n o u t f i t s y s t e m s E245
A n e w L N G t a n k s y s t e m f r o m IHI E255
Govan Shiipbuilders' new modular
accom-modation shop builds complete cabins for
British Shipbuilders under license from
Wartsila in Finland.
Regular Features
Editorial Comments
News Review
Naval News
Update
E227
E229
£233
E235
Trade & Equipment News E252
Diary E263
Viewpoint E264
TECHNICAL PAPER (with discussion and author's reply)
The Effect of Mud on Tanker Manoeuvres by R. Sellmeijer and
G. van Oortmerssen
1 0 5
C o v e r i l l u s t r a t i o n : A £ 2 0 0 m p r o g r a m m e of m o d e r n i s a t i o n a n d d e v e l o p m e n t is t a k i n g
p l a c e for V S E L at B a r r o w . T h e m a i n f e a t u r e s are a l a n d - l e v e l c o v e r e d building f a c i l i t y
e n a b l i n g t w o - s t r e a m c o n s t r u c t i o n for s u b m a r i n e s a n d / o r s u r f a c e w a r s h i p s , s e r v e d by
a s h i p l i f t w i t h a c a p a c i t y o f 1 6 , 0 0 0 t o n n e s . T h i s f a c i l i t y , c o n s t r u c t e d o n r e c l a i m e d
l a n d in D e v o n s h i r e D o c k , w i l l b e c o m e o p e r a t i o n a l in 1 9 8 7 .
The Naval
I n t e r n a t i o n a l J o u r n a l o f t i i 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 i i l t e c t s E d i t o r : M i c h a e l W a k e , B S c , C . E n g , M R I N A E d i t o r i a l A s s i s t a n t : G i l l i a n C a r t w r i g h t , B A S a l e s D i r e c t o r : H e n r y R . J a c k s o n A d v e r t i s e m e n t S a l e s : J o h n H o u s t o n S u b s c r i p t i o n s a n d P u b l i c a t i o n s : L e s l e y S m i t h e r s E d i t o r i a l a n d A d v e r t i s e m e n t O f f i c e : 1 0 U p p e r B e l g r a v e S t r e e t , L o n d o n S W 1 X 8 B Q . T e l e p h o n e : 0 1 - 2 3 5 - 4 6 2 2 / 4 . T e l e g r a m s : S i n a i , L o n d o n . T e l e x : 2 6 5 8 4 4 S I N A I G T e n i s s u e s p u b l i s h e d p e r y e a r : J a n u a r y , F e b r u a r y , 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 a n d N o v e m b e r P r i n t e d b y U n w i n B r o t h e r s L i m i t e d , O l d W o k i n g , S u r r e y 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 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 e x p r e s s l y s t a t e d t h a t these are the C o u n c i l ' s v i e w s . © 1 9 8 4 : T h e 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 . 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 u n d e r t h e Berne C o n -v e n t i o n a n d 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 n g h t s re-served. N o part o f 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 t h e prior p e r m i s s i o n o f t h e c o p y r i g h t o w n e r s . P e r m i s s i o n is n o t , h o w e v e r , r e q u i r e d t o c o p y a b s t r a c t s of papers or o f articles o n c o n d i t i o n t h a t a f u l l reference t o t h e s o u r c e is s h o w n . Multiple copying of the contents withoutpermission is al'^ays illegal.
A D V E R T I S E M E N T R E P R E S E N T A T I V E S :
Far East ( J a p a n , H o n g K o n g , Korea e t c . ) : Louis W o n g , Falcon A d v e r t i s i n g C o r p o r a t i o n , Suite 2 3 E , T a k Lee C o m m e r c i a l Building, 1 1 3 - 1 1 7 W a n c h a i R o a d , Hong K o n g . GPO Box 1 1 4 2 9 Central H o n g K o n g . T e l : 5 . 8 9 3 1 3 8 7 Telex: 7 2 9 0 8 C S A A K . France: E. C o s t e m e n d , A g e n c e G u s t a v E l m , 4 1 A v e n u e M o n t a i g n e , 7 5 0 0 8 Paris, France. T e l : 7 2 0 - 2 5 - 3 0 , 7 2 3 - 3 2 - 6 7 / 9 6 - 8 5 . Telex: 2 9 0 2 6 0 G U S T E L M F G e r m a n y : T. A n t h o n y , A m T u r n i e r p l a t z 8 , 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 : 1041 8 3 ) 5 5 4 1 . I t a l y : V i t t o r i o F. N e g r o n e , Ediconsult I n t e r n a z 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 G e n o a , Italy. T e l : 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 . S c a n d i n a v i a : A B S t e p h a n R. G. Ö r n , PO B o x 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 B C
A u d i t e d c i r c u l a t i o n :January-December 1 9 8 3 8 , 4 0 8
I S S N 0 3 0 6 - 0 2 0 9
In the July/August issue:
Hoegh Duke—a t r u l y m u l t i p u r p o s e f r e i g h t c a r r i e r f o r Lief H o e g h
f r o m S w a n H u n t e r E276
T h e p r e d i c t i o n o f e x t r e m e roll m o t i o n s in i r r e g u l a r b e a m seas
b y R. W . R o b i n s o n , A . W . S t o d d a r t a n d R. C. T . R a i n e y E284
Sulzer c e l e b r a t e s 1 5 0 y e a r s w i t h i m p r o v e d R T A p e r f o r m a n c e . . E289
Barber Hector b u i l t b y H y u n d a i — B r i t i s h c o n t r i b u t i o n t o Barber
Blue S e a ' s n e w s e r v i c e E293
R o - R o — a n e w e r a b e g i n s (a r e p o r t o n R o - R o ' 8 4 ) E299
A d v a n c e s in d e s i g n f o r p r o d u c t i o n E301
A r e v i e w o f n e w s h i p y a r d e q u i p m e n t a n d s y s t e m s E303
M o s t r a N a v a l e I t a l i a n a — A n t o n y P r e s t o n r e p o r t s o n t h e I t a l i a n
N a v a l E x h i b i t i o n h e l d in G e n o a in M a y E312
Built by Hyundai, B a r b e r H e c t o r is the British contribution to Barber Blue Sea's new generation—page E293.
H o e g h D u k e features a unique cargo gear configuration and high cubic capacity—page
E2 76.
Regular 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
E267
L e t t e r s t o t h e E d i t o r
E288
N e w s R e v i e w
E269
T r a d e & E q u i p m e n t N e w s
E291
N a v a l N e w s
E273
D i a r y
E319
U p d a t e
E275
V i e w p o i n t
E320
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 y )
R e l a t i v e M o t i o n s a n d S w e l l - u p f o r a F r i g a t e B o w b y J . J . B l o k
a n d J . H u i s m a n
J U L Y / A U G U S T 1 9 8 42 2 7
E265The Naval
Architect
I n t e r n a t i o n a l 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
E d i t o r :
M i c h a e l W a k e , B S c , C . E n g , M R I N A
E d i t o r i a l A s s i s t a n t :
Gillian C a r t w r i g h t , B A
S a l e s D i r e c t o r : H e n r y R. J a c k s o n
A d v e r t i s e m e n t S a l e s : J o h n H o u s t o n
S u b s c r i p t i o n s a n d P u b l i c a t i o n s :
L e s l e y S m i t h e r s
E d i t o r i a l a n d A d v e r t i s e m e n t O f f i c e :
1 0 U p p e r B e l g r a v e S t r e e t ,
L o n d o n S W 1 X 8 B Q .
T e l e p h o n e : 0 1 - 2 3 5 - 4 6 2 2 / 4 .
T e l e g r a m s : S i n a i , L o n d o n .
T e l e x : 2 6 5 8 4 4 S I N A I G
T e n i s s u e s p u b l i s h e d per y e a r :
J a n u a r y , F e b r u a r y , 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
a n d N o v e m b e r
P r i n t e d by U n w i n B r o t h e r s L i m i t e d ,
O l d W o k i n g , S u r r e y
T h e I n s t i t u t i o n is not as a b o d y , responsible f o r o p i n i o n s expressed in The h/evalArchitect 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 v i e w s . © 1 9 8 4 : 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 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 re-served. 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 , 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 o f 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 o f papers or of articles o n 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 withoutpermission is always illegal.
A D V E R T I S E M E N T
R E P R E S E N T A T I V E S :
Far East ( J a p a n , H o n g K o n g , Korea e t c . ) : Louis W o n g , Falcon A d v e r t i s i n g C o r p o r a t i o n . S u i t e 2 3 E , T a k Lee C o m m e r c i a l B u i l d i n g , 1 1 3 - 1 1 7 W a n c h a i Road, H o n g K o n g . GPO Box 1 1 4 2 9 Central H o n g K o n g . T e l : 6 . 8 9 3 1 3 8 7 Telex: 7 2 9 0 8 C S A A K . France: E. C o s t e m e n d , A g e n c e G u s t a v Elm, 4 1 A v e n u e M o n t a i g n e , 7 6 0 0 8 Paris, France. T e l : 7 2 0 - 2 5 - 3 0 , 7 2 3 - 3 2 - 6 7 / 9 6 - 8 6 . Telex: 2 9 0 2 6 0 G U S T E L M F G e r m a n y : T . A n t h o n y . A m T u r n i e r p l a t z 8 , 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 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 z 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 , Italy. 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 1 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. Ö 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 .
I 1 -jpj „ T | A u d i t e d circulation:
[ A J O
^ J j a n u a r y - D e c e m b e r 1 9 8 3
8 , 4 0 8
I S S N 0 3 0 6 - 0 2 0 9
S w a n H u n t e r g e t t i n g It r i g h t — I m p r o v i n g p r o d u c t i v i t y . E333
Royal S c h e l d e — e x p o r t s u c c e s s a n d a n e w ' M ' c l a s s f r i g a t e o r d e r E335
Italian s h i p b u i l d i n g , h i g h t e c h n o l o g y b u t n o o r d e r s , E339
A d v a n c e s in Fibre R e i n f o r c e d Plastics —a c o n f e r e n c e r e p o r t
b y J a m e s P a f f e t t E349
T h r u s t i m p r o v i n g p r o p e l l e r d u c t f r o m G e r m a n y E350
A n e w g e n e r a t i o n o f M E K O w a r s h i p s f r o m B l o h m -f V o s s E351
R e n k — f i r s t w i t h c o n s t a n t s p e e d d r i v e at sea E354
V u l k a n —a g u i d e t o t h e c o r r e c t c h o i c e o f c o u p l i n g E355
R e n e w e d i n t e r e s t in t h e a s y m m e t r i c s t e r n E357
R e i n t j e s — a n e x c l u s i v e l y m a r i n e g e a r b o x m a n u f a c t u r e r E359
G e r m a n m a r i n e e q u i p m e n t r e v i e w f o r t h e S M M
H a m b u r g E x h i b i t i o n E361
Swan Hunter
'getting it right with
a 410 tonne
superstructure
unit. Page E333.
Profile of the new 'M' class frigate to be built at Royal Schelde. Page E335.
Regular 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
E323
L e t t e r s t o t h e E d i t o r
E345
N e w s R e v i e w
E325
D i a r y
E375
N a v a l N e w s
E329
V i e w p o i n t
E376
U p d a t e
E331
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 y )
D e s i g n a n d O p e r a t i o n of a D y n a m i c a l l y P o s i t i o n e d D r i l l s h i p 2 4 7
b y A . 0 . Bell a n d A . B r o w n
C o v e r i l l u s t r a t i o n : Witte de With, s e c o n d of t h e R o y a l N e t h e r l a n d s N a v y ' s
n e w air d e f e n c e f r i g a t e s u n d e r c o n s t r u c t i o n at R o y a l S c h e l d e ' s s h i p y a r d in
V l i s s i n g e n : P a g e £ 5 3 5
S E P T E M B E R 1 9 8 4
E321
I n t e m a t i o n a l J o u r n a l of tfie
R o y a l i n s t i t u t i o n of IMaval A r c h i t e c t s
E d i t o r :
M i c h a e l W a k e , B S c , C . E n g , M R I N A
Editorial A s s i s t a n t :
Gillian C a r t w r i g h t , B A
S a l e s D i r e c t o r : H e n r y R. J a c k s o n
S u b s c r i p t i o n s a n d PuBITcatTons:
L e s l e y S m i t h e r s
Editorial a n d A d v e r t i s e m e n t O f f i c e :
1 0 U p p e r B e l g r a v e S t r e e t ,
L o n d o n S W 1 X 8 B Q .
T e l e p h o n e : 0 1 - 2 3 5 - 4 6 2 2 / 4 .
T e l e g r a m s : S i n a i , L o n d o n .
T e l e x : 2 6 5 8 4 4 S I N A I G
T e n i s s u e s p u b l i s h e d per y e a r :
J a n u a r y . F e b r u a r y , 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
a n d N o v e m b e r
P r i n t e d by U n w i n B r o t h e r s L i m i t e d ,
O l d W o k i n g , S u r r e y
The Institution is not as a b o d y , responsible f o r opinions expressed in The Naval Architect un\ess it is expressly stated t h a t these are the C o u n c i l ' s v i e w s © 1 9 8 4 : 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 publication is c o p y r i g h t under the Berne Con-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 Con-v e n t i o n . All rights re-served. No p a r t of this p u b l i c a t i o n may 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 n o t , h o w e v e r , required to copy abstracts of papers or of articles o n 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.
A D V E R T I S E M E N T
R E P R E S E N T A T I V E S :
Far East (Japan, H o n g K o n g , Korea e t c . ) : Louis W o n g , Falcon A d v e r t i s i n g C o r p o r a t i o n . Suite 2 3 E , Tak Lee C o m m e r c i a l B u i l d i n g . 1 1 3 - 1 1 7 W a n c h a i Road, H o n g K o n g . GPO Box 1 1 4 2 9 Central Hong K o n g . Tel: 6 . 8 9 3 1 3 8 7 Telex: 7 2 9 0 8 C S A A K . France: C o s t e m e n d , A g e n c e G u s t a v Elm, 4 1 A v e n u e M o n t a i g n e , 7 5 0 0 8 Paris. France. T e l : 7 2 0 , 2 5 - 3 0 , 7 2 3 - 3 2 - 6 7 / 9 6 - 8 5 . Telex: 2 9 0 2 6 0 G U S T E L M F G e r m a n y : T. A n t h o n y , A m T u r n i e r p l a t z 8 , 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 1 5 5 4 1 . Italy: V i t t o r i o F. N e g r o n e , Ediconsult Internazionale. Piazza Fontane M a r o s e 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 . 5 1 3 . T e l e x : 2 1 1 1 9 7 .
A B C
January-December 1 9 8 3 8 , 4 0 8
Audited circulation:
ISSN 0 3 0 6 - 0 2 0 9
In the October issue:
HMS Challenger-Antony P r e s t o n r e p o r t s o n t h e R o y a l N a v y ' s
n e w S e a b e d O p e r a t i o n s V e s s e l E387
Arita-the f i r s t of I H I ' s n e w series of i m p r o v e d F r e e d o m
M a r k II s h i p s E390
R e s h a p i n g s u r v i v a l c a p a b i l i t y by S t a n l e y W i l l i a m s E393
M i s s i n g link in t h e r e s c u e c h a i n E39 7
W a t e r c r a f t ' s PROD s y s t e m - a n u p d a t e E39 7
GEC p l a t f o r m e v a c u a t i o n s y s t e m E399
Werft Nobiskrug's sateliite free-fall rescue craft aboard the Fiender Werft buih reefer
B l u m e n t h a l . Page E393.
GVA's Lifescape safe-haven and free-fall
evacuation concept
Regular 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 E379
N e w s R e v i e w E38I
N a v a l N e w s E385
interior view of GVA's Lifescape
pro-totype. Page E393.
U p d a t e
D i a r y
V i e w p o i n t
E386
E407
E408
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 y )
S l o s h i n g in P a r t i a l l y Filled T a n k s a n d its E f f e c t
o n S h i p M o t i o n s : N u m e r i c a l S i m u l a t i o n s a n d E x p e r i m e n t a l
V e r i f i c a t i o n s b y N. E. M i k e l i s , J . K. M i l l e r a n d
K . V . T a y l o r .
2 6 7
O C T O B E R 1 9 8 4
E377
The ^lawal
Architect
International Journal of tiie
Royal Institution of Naval Arctiitects
Editor:
M i c h a e l W a k e , B S c , C . E n g , M R I N A
Editorial Assistant:
G i l l i a n C a r t w r i g h t , B A
Sales Director: H e n r y R. J a c k s o n
Subscriptions and Publications:
L e s l e y S m i t h e r s
Editorial and Advertisement Office:
1 0 U p p e r B e l g r a v e S t r e e t , L o n d o n S W 1 X 8 B Q . T e l e p h o n e : 0 1 - 2 3 5 - 4 6 2 2 / 4 . T e l e g r a m s : S i n a i , L o n d o n . T e l e x : 2 6 5 8 4 4 S I N A I G T e n i s s u e s p u b l i s h e d per y e a r : J a n u a r y , F e b r u a r y , M a r c h , A p r i l , M a y , J u n e , J u l y / A u g u s t , S e p t e m b e r , O c t o b e r a n d N o v e m b e r P r i n t e d b y U n w i n B r o t h e r s L i m i t e d , O l d W o k i n g , S u r r e y 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 7/je A/ava/z^fC/i/recr unless it Is expressly s t a t e d t h a t these are t h e C o u n c i l ' s v i e w s . © 1 9 8 4 : 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 . 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 a n d t h e International C o p y r i g h t C o n -v e n t i o n . A l l rights re-served. 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 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 of articles o n 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
ADVERTISEMENT
REPRESENTATIVES:
' F r a n c e : .y : • . " . . _ -: E; C p s t e m é n d , . A g e n c e G u s t a v Elrri, 4 1 A v e n u e - M o n t a i g n e , 7 5 0 0 8 Paris, France. T e l : 7 2 0 - 2 5 - 3 0 , • 7 2 3 - 3 2 - 6 7 / 9 6 - 8 5 . T e l e x ; - 2 9 0 2 6 0 G U ë T E L M F G e r m a n y T. A n t h o n y , A m T u r n i e r p l a t z 8 , - 2 1 1 2 J e s t e b u r g b,.-H a r r i b u r g , G e r m a n y , Tel:. ( 0 4 1 8 3 ) 5 5 4 1 . " I t a l y V i t t o r i o F. N e g r o n e , Ediconsult Internazionale, Piazza Fontane M a r o s e 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 ; ' 5 1 , 3 . T e l e x ; 2 1 1 1 9 7 .[ABC
ISSN 0 3 0 6 - 0 2 0 9
A u d i t e d c i r c u l a t i o n :
J a n u a r v - D e c e m b e r 1 9 8 . ' i 8 . 4 0 R
In the November issue:
A r e v i e w o f h o v e r c r a f t d e v e l o p m e n t s b y A l a n B l i a u l t E420
A b n o r m a l s h a l l o w w a t e r w i n d w a v e s b y N . R. H e n d y
a n d E. C. B. C o r l e t t E425
A h i g h s p e e d c a t a m a r a n c r u i s e s h i p b u i l d i n g in S i n g a p o r e E431
N e v e r a b e t t e r t i m e t o b u y a c o m p u t e r E440
The new FRP/sandwich sidewall hovercraft ferry designed in Norway by Cirrus a.s. and built by Brodrene AA Bafbyggeri A/S (Page E420).
Seaconstruct of Singapore are building two high speed catamaran cruise ships (Page E431).