Contents Ship & Boat International 1976

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Incorporating International i AND B

VOLUSViE 2 9

DECEIVJBEFl 1:

) 7 5 /

Cosrteiits

Chatterbox page 3

Notes from Europort 9

Machinery Review

W h a t price instrumentation? 2 3

A n enginemaker's view 2 7

N e w Suizer gas turbine 2 9

T e s t s on a n e w Spanish diesel 3 0 How maintenance procedures

can improve reliability 3 3

Alpha Diesel's remote control 3 5

Hyperbar: a n e w supercharging s y s t e m 36

N e w Rolls-Royce marine turbine 3 7

Development of Cockerill 2 4 0 C O engines 3 8

M a K planned maintenance 3 9

In Scottish W a t e r s 4 0

Eye on Electronics 4 2

Data Sheet: Monarch, cable ship 4 3

Data Sheet: Commodity, coaster 4 7

Tugs for Los Angeles harbour duty 4 9

Round the Yards 5 0

Readers' letters 5 3 Offshore Briefs 5 4 People 5 5 Engineering N e w s 5 6 S M A L L S H I P S ON O R D E R 5 7 Classified advertisements 7 9 Index to advertisers 8 0

W h a t a patient and understanding lot of people the readers of Ship & Boat International must be: not one let-ter of complaint at the absence of the December issue, which is combined with that for January.

Lots of messages of goodwill, however, which have warmed the hearts of all of us and given real encourage-ment when the problems of getting the magazine to s e a again from its new home port have seemed overwhelm-ing.

I hope the result of our efforts, which you now have in your hands, justifies your patience and confidence. Please don't hesitate to let me know your opinion - the magazine is yours, too.

A s already announced, close connections will be main-tained with Thomas Reed Publications in London, who are now agents for the U.K. and North America; and Sheila Smale, who w a s assistant to former editor Ken Troup, is Ship & Boat International's editorial representa-tive in London. So established channels of communica-tion are still largely valid.

Future international conferences will be joint efforts by Thomas Reed Publications and us - and Ken Troup will continue as chairman of those conferences. Things haven't changed all that much, after all.

Best w i s h e s to you all for the coming year. The Editor

S-150 30 IWariefred, Sweden.

Telephone (0159) 10615 Telex 13501 marine s Editor G O R D O N IRONS

Advertisements: B O E L IRONS Subscriptions: A N N E B E R G S T R Ö M " A S K " Service: H E L E N A L B I H N

U.K. and North American representatives: T h o m a s Reed Publications Limited,

Saracen's Head Buildings, 3 6 / 3 7 C o c k Lane, London E C 1A 9 B Y , England.

Telephone: 0 1 - 2 4 8 7 8 8 1 Telex: London 8 8 3 5 2 6 Australian representative: Park A s s o c i a t e s (PTY) Ltd., Capitol Centre, 1 1 3 S w a n s t o n Street,

Melbourne, Victoria, Australia 3 0 0 0 .

Dutch representative: Ton Hoogstraaten, c / o Mari T e a m , Walenburgerweg 5 9 , Rotterdam. Telephone: 0 1 0 - 6 5 . 8 8 . 2 2 . Telex: 2 3 0 5 0 kfilm nl

French representative: Gustav Elm, 4 1 Avenue IVlontaigne, Paris, 8e, France

German representative: Verlagsbüro H.E. von Rautter, 2 0 0 0 Hamburg 5 2 , Giesestrasse 4 4 . Telephone: 8 9 0 4 1 4 1 J a p a n e s e representatives: IPS Group Ltd, Ohsaki P o s t Office, Tokyo, Japan

© 1 9 7 6 PAX MARINE PRESS AB Ansvarig utgivare: Boel Irons

Printed in S w e d e n by Allkartong A B , Stockholm.

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Incorporating International

P M AND« mm • •

VOL

IB [\!UMBER 2

F E B R U A R Y 1 9 7 S

Uncle John: semi-submersibje 15

support vessel 15

Data Sheet; Oil Challenger, pipe carrier 17 Data Sheet; Union One, anchorhandling tug 19

Hebe 2, offshore sheerlegs 21

Polar cruise and supply ship project 2 3 Computer s y s t e m s for pipelaying 2 4

North S e a safety 2 5

New davit and capsule s y s t e m 2 6

John T. Essberger; biggest lifeboat 2 8

Hydrovac oil recovery vessel 2 9

Offshore capability of Tellurometer s y s t e m 3 0 Data Sheet: High Force, pilot cutter 31

A new water truck from Scholtel 3 3

Australian notes 3 5

What's new? From the London Boat S h o w 3 6

Engineering n e w s 3 7

Standardized nozzles 3 9

Mississippi snapshots 4 0

Round the Yards 41

India-built dredgers 4 5

The Dynaplane boat 4 7

Personnel launch design 4 8

South African newsletter 4 9

Engines from Italy 5 0

People 5 3

Small Ships on Order - Part 2 5 7

Classified advertisements 6 3

Index to advertisers 6 4

I have just returned from an all-too-short tour of Eng-land and ScotEng-land, intended to provide current back-ground for the April issue of the journal, which will be concerned mainly with the United Kingdom. That is; with the marine industries of the U.K. within the sphere cove-red by Ship & Boat International.

Among a host of impressions, still largely unsorted, is an outstanding sense of surprise at the degree of confi-dence and optimism shown by the majority of the people I met. There must be many people in the world who have been misled into thinking that the admittedly serious state of some aspects of British industrial life and econ-omy has reduced the entire country to apathy. Far from it!

• If the U.K. yards which are not to be nationalised {the vast majority of those within this magazine's sphere - did you relize that?) should decide to form a n e w trade asso-ciation, it will have an important information gap to fill right away. And those "small ship " yards which are with-in the nationalisation scheme will also be keen to make theii situation distinct from that of the bigger brothers.

The Editor

S-150 30 Mariefred, Sweden.

Telephone (0159) 10615 Telex 13501 marines Editor: G O R D O N IRONS

U.K. and North American representatives: Thomas Reed Publications Limited,

Dutch representative; Ton Hoogstraaten, c / o Mari T e a m , Walenburgerweg 5 9 , Rotterdam. Telephone; 0 1 0 - 6 5 6 8 2 2 Telex; 2 3 0 5 0 kfilm nl

French representative: Gustav Elm, 41 Avenue Montaigne, Paris, 8 e , France

German representative; Verlagsbüro H.E. von Rautter, 2 0 0 0 Hamburg 5 2 , Giesestrasse 4 4 . Telephone; 8 9 0 4 1 4 1 Japanese representatives; IPS Group Ltd, Ohsaki Post Office, Tokyo, J a p a n

© 1 9 7 6 PAX MARINE PRESS AB Ansvarig utgivare; Boel Irons

Printed in S w e d e n by Allkartong A B , Stockholm. S H I P & B O A T I N T E R N A T I O N A L F E B R U A R Y 1 9 7 6

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4 : i 12 12 2 13 10 13 2 32 53 12 9 r 6 54 13

A new floating bridge 17 the Polar expedition vessel described in this issue shows. Growth of Russian ro-ro fleet 18 rebuilding an existing ship is usually very much cheaper Flexibility - Stena's key to success 18 than building a n e w one. While the older ship obviously Catamaran bridge for ro-ro dock 21 has less life expectancy, this may well be unimportant in C S S = Catering Supply S y s t e m 2 1 view of the rapid changes in the market and the pace of

Baltic and IM. S e a prospects 2 3 technical progress.

A ferry line with s u c c e s s 2B

Sanitation pollution regulations 2 6 In ten years time, perhaps, a particular trade can have Conversion of garbage and sewage 2 7 disappeared entirely; or nevv methods of meeting its

Data Sheet: tug Duchray 2 9 requirements may have been evolved, rendering the

Data Sheet: minibulker Cairncarrier 31 ships obsolescent in any case. Conversion and retrofit section

Chemical tankers by conversion 3 3 Some yards which "streamlined" on n e w production Coaster converted for bulk starch 3 5 a f e w years ago, at the expense of their repair and con-Modernization of a Polar ship 3 6 version capacity, are now re-thinking.

Eye on electronics 3 7

Project for a chemical tanker 3 8 A plaintive footnote: While the material for this issue

Round the Yards 3 9 w a s being collected, one owner suggested that the most

Engineering N e w s 41 useful thing w e could come up with would be a really

pro-Slow-running diesels in small ships? 41 fitable conversion kit for offshore supply vessels . . .

Allen type 3 7 0 engine 4 2

In Scottish W a t e r s 4 3 T h e Editor

The Workers more in . . . {Boat Show) 4 4

South African newsletter 51

Letter to the Editor 5 2

Telephone (0159) 10615 Telex 13501 marine s Editor: G O R D O N IRONS

Aduertisennents: B O E L I R O N S Subscriptions: A N N E B E R G S T R Ö M " A S I C Service: H E L E N A L B I H N

Saracen's Head Buildings, 3 6 / 3 7 C o c k Lane, London E C 1A 9 B V , England.

Telephone: 0 1 - 2 4 8 7 8 8 1 Telex: London 8 8 3 5 2 6 Australian representative: Park Associates (PTY) Ltd., Capitol Centre, 1 1 3 S w a n s t o n S t r e e t

IVIelbourne, Victoria, Australia 3 0 0 0 .

Dutch representative: Ton Hoogstraaten, c / o Mari T e a m , Walenburgerweg 5 9 , Rotterdam. Telephone: 0 1 0 - 6 5 6 8 2 2 Telex: 2 3 0 5 0 kfilm nl

French representative: Gustav E l m , 41 Avenue Montaigne, Paris, 8e, France

German representative: Verlagsbüro H.E. von Rautter, 2 0 0 0 Hamburg 5 2 , Giesestrasse 4 4 . Telephone: 8 9 0 4 1 4 1 Japanese representatives: IPS Group Ltd, Ohsaki P o s t Office, Tokyo, J a p a n

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V O L U i

VIBER 4

C\PR1L 1 9 7 6

J T E N T S

Shipbuilding nationalisation bill 11

Regulations and the workboat buyer 15

In Scottish W a t e r s 17

From British yards 18

That's a workboat! 19

1 IVl EX preview 21

Talisman 4 9 report 2 3

Caterpillar 3 4 0 0 Series 2 4

Data Sheet: workboat/süpply vessel 2 5

Offshore briefs 2 7

People 3 0

Portuguese pilot launch 31

A n e w autopilot 3 3

Bookshelf 3 5

Cummins - an American in Britain 3 9

Small Ships on Order 4 3

Engineering N e w s 6 5

Data Sheet: Coastal barge 6 7

Classified advertisements 71

Several contributions to our ro-ro issue last month under-lined the difficulties anticipated by ferry operators this summer. The fear of declining passenger figures is stimu-lating the brains of sales departments, almost to fever pitch.

Sweden's Tor Line have come up with an old idea in a n e w context. Their Captain Sune Dahlström has succee-ded in obtaining official permission to perform a civil mar-riage ceremony on his new ship, the Tor Scandinavia.

This being an issue with special emphasis on the U.K. and the w a y that country is meeting the international challenge, w e ask; How do you propose to beat this one?

mm msmm

Telephone (0159) 10615 Telex 13501 marine s Editor: G O R D O N IRONS

Advertisements; B O E L IRONS Subscriptions; A N N E B E R G S T R Ö M " A S K " Service: H E L E N A L B I H N

U.K. and North American representatives; Thomas Reed Publications Limited,

Telephone; 0 1 - 2 4 8 7 8 8 1 Telex; London 8 8 3 5 2 6 Australian representative; Park A s s o c i a t e s (PTY) Ltd., Capitol Centre, 1 1 3 S w a n s t o n Street,

IVIelbourne, Victoria, Australia 3 0 0 0 .

Dutch representative: Ton Hoogstraaten, c / o Mari T e a m , Walenburgerweg 5 9 , Rotterdam. Telephone; 0 1 0 - 6 5 6 8 2 2 Telex; 2 3 0 5 0 kfilm nl

French representative; Gustav Elm, 41 Avenue Montaigne, Paris, 8e, France

German representative: Verlagsbüro H.E. von Rautter, 2 0 0 0 Hamburg 5 2 , Giesestrasse 4 4 . Telephone: 8 9 0 4 1 4 1 J a p a n e s e representatives; I P S Group Ltd, Ohsaki P o s t Office, Tokyo, J a p a n

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C o n t e n t s C h a t t e r b o x p a g e 3 S e e n a t I M E X 10 F u t u r e of port t o w a g e in t h e U K 17 A y o u n g t u g a n d b a r g e o p e r a t ó r in S . E . A s i a 18 Setiring t h e s a f e t y v a l v e 19 Editorial p r o g r a m m e 1 9 7 6 / 7 7 2 0 T o w a g e in t h e P o r t of M a n c h e s t e r 21 U . S . p o r t t u g c o n c e p t 2 3 D a n i s h t u g of b a s i c t y p e 2 3 S i n g a p o r e - b u i l t T o w m a s t e r s 2 5 E n g i n e e r i n g N e w s 2 6 S e l e c t i o n of r e d u c t i o n g e a r r a t i o s 2 9 R e c e n t o f f s h o r e d e l i v e r i e s 3 4 R o u n d t h e Y a r d s 3 5 C a p s i z i n g t r i a l s 3 9 E y e on e l e c t r o n i c s 41 S m a l l c r a f t r a d a r f r o m t h e U K 4 2 D a t a s h e e t : O f f s h o r e supply, v e s s e l 4 5 D a t a s h e e t : A n c h o r h a n d l i n g t u g 4 7 S t a n d a r d t u g s f r o m Italy 5 2 D a t a s h e e t : H a r b o u r a n d c o a s t a l t u g 5 3 D a t a s h e e t : I c e b r e a k i n g t u g 5 5 O f f s h o r e b r i e f s 6 0 Build-on anti-pollution s y s t e m 61 In S c o t t i s h W a t e r s 6 3 Poor p r o s p e c t s in S . A . 6 3 Boolcshelf 67 P e o p l e 71 C l a s s i f i e d a d v e r t i s e m e n t s 7 1 Index t o a d v e r t i s e r s 72 In his E y e O n E l e c t r o n i c s c o l u m n , our m u c h v a l u e d c o r r e -s p o n d e n t A . J . R a t t r a y c o m m e n t -s on t h e a p p o i n t m e n t of a girl a s radio o p e r a t o r o n a t r u n k line c o n t a i n e r s h i p . I w a s j u s t a b o u t to s l a s h t h e editorial ballpoint t h r o u g h t h i s p a r t i c l u a r p a s s a g e , on t h e g r o u n d s t h a t it could h a r d l y be w o r t h m e n t i o n i n g s u c h a n e v e n t t h e s e d a y s , w h e n I w a s s t r u c k by t h e t h o u g h t : s i n c e M r . R a t t r a y t a k e s t h e t r o u b l e to r e p o r t it, a n d p r e s u m a b l y h a s h a d it d r a w n t o his a t t e n t i o n by s o m e o n e e l s e , t h e n t h e e v e n t m u s t b e c o n s i d e r e d s i g n i f i c a n t . It tells t h o s e w h o t h i n k t h a t w o m e n c r e w m e m b e r s a r e a n e x p e c t e d p h e n o m e n o n a t s e a t h e s e d a y s t h a t t h i s is not, in f a c t t h e c a s e e v e r y w h e r e . E v e n g i v e n u n i v e r s a l k n o w l e d g e of t h e field c o n c e r n e d a n d p e r f e c t b a l a n c e in o n e ' s a s s e s s m e n t s , n e i t h e r of w h i c h this p a r t i c u l a r e d i t o r c o u l d c l a i m t o p o s s e s s , t h e j u d g e m e n t of o n e p e r s o n c a n still be a v e r y poor i n s t r u m e n t for d e t e r m i n i n g t h e c o n t e n t s a n d a c c e n t of a p e -riodical. O n p a g e 2 0 of t h i s i s s u e you'll find t h e E d i t o r i a l P r o g r a m m e for t h e c o m i n g t w e l v e m o n t h s . P l e a s e r e g a r d it a s a m e r e f r a m e w o r k - a m i n i m u m p r o m i s e , if y o u w i s h . T h e r e is r o o m in e v e r y i s s u e f o r e m p h a s i s o n m o r e s u b j e c t s t h a n t h o s e I h a v e g i v e n priority. P e o p l e c a p a b l e of m a k i n g i n t e r e s t i n g c o n t r i b u t i o n s a r e u s u a l l y v e r y b u s y m e n (or w o m e n ! ) . T h e y a r e e n t i t l e d t o e x p e c t their pt-ofessional j o u r n a l s to f e e d t h e m w i t h i n f o r m a t i o n in t h e m o s t e a s i l y a s s i m i l a b l e f o r m . R e a d e r s a t large a r e w e l c o m e to g i v e t h e editorial s t a f f t h e b e n e -fit of their v i e w s a s to h o w t h i s s h o u l d b e s t be d o n e . T h e E d i t o r S-150 30 Mariefred, Sweden.

Telephone (0159) 10615 Telex 13501 marine s Editor: G O R D O M IRONS

French representative: Gustav Elm, 41 Avenue Montaigne, Paris, 8e, France

German representative: Verlagsbüro H.E. von Rautter, 2 0 0 0 Hamburg 5 2 , Giesestrasse 44. Telephone: 8 9 0 4 1 4 1 Japanese representatives: IPS Group Ltd, Ohsaki Post Office, Tokyo, J a p a n

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lï^WbrKboat

In Scottish W a t e r s Section-moving s y s t e m quadruples production ,1* Classified advertisements Index to advertisers page 3 7 7 9 15 17 18 18 19 2 1 2 2 2 2 2 3 2 4 2 5 2 6 2 7 2 8 3 0 3 0 3 2 3 3 3 4 3 5 3 7 41 4 6 4 7 4 8 5 2 5 4 5 6

Besides features on Greece, this issue is concerned with c r e w conditions. Among the circumstances constituting the seafarer's (and offshore worker's) living environment, safety has s h o w n the least improvement. Indeed, it has hardly shown any improvement at all since the arrival of radio.

In the "mundane" field of industrial injury, the statistics of most countries s h o w seafaring to be among the most dangerous of occupations. And in the more dramatic sphere of shipwreck, lives are still unnecessarily lost be-cause the safety routines do not work or the equpment is inadequate.

Nobody in any w a y involved ought to accept this with complacency. Many still do, however - and the unions should be thoroughly ashamed to be among them.

T h e Editor

PAX MARINE P R E S S A S

Telephone (0159) 10615 Telex 13501 marine s Editor: G O R D O N I R O N S

Advertisements: B O E L I R O N S Subscriptions: A N N E B E R G S T R Ö M

"ASK" Sen/ice: H E L E N A L B I H N

Telephone; 0 1 - 2 4 8 7 8 8 1 Telex: London 8 8 3 5 2 6 Australian representative; Park Associates (PTY) Ltd.. Capitol Centre, 1 1 3 S w a n s t o n S t r e e t

1976

SHIP & B O A T I N T E R N A T I O N A L J U N E 1 9 7 6

Dutch representative: Ton Hoogstraaten, c / o Mari T e a m , Walenburgerweg 5 9 , Rotterdam. Telephone; 0 1 0 - 6 5 6 8 2 2 Telex; 2 3 0 5 0 kfilm nl

German representative; Verlagsbüro H.E. von Rautter, 2 0 0 0 Hamburg 5 2 , Giesestrasse 4 4 . Telephone; 8 9 0 4 1 4 1 J a p a n e s e representatives: IPS Group Ltd, Ohsaki Post Office, Tokyo, Japan

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C o n t e n t s p a g e

Cliatterbox 3

Australia and the Asia-Pacific basin 15

Uncertain prospects for Australian Shipbuildning 17

New developments at Carrington Slipways 17

Small shipbuildning in Australia 18

The Australian 'Lady' class 19

Coinmercial sail project 2 0

A l\1ew Zealand salvage report 21

South African notes 2 2

Data Sheet: biggest salvage tug 2 3

Offshore support ships from Singapore 2 7

Engineering N e w s 2 8

Suizer uprates engines 2 8

India launches largest dredger 2 9

Indian shipbuilding 2 9

Data Sheet: high-capacity bulk carrier 31

The small French shipyards 3 5

Recent deliveries from French yards 3 7

People 3 8

Specialised workboats: a different pair 3 9

Round the yards 4 0

Hatchcover developments 4 2

Safety notes 4 3

N e w lifesaving cabin 4 3

Pollution control n e w s 4 5

Data Sheet: Shiphandling tug 4 9

N e w Lake Malaren channel 51

Hovercraft 5 2

Letters to the Editor 5 6

Data Sheet: Short-sea cargo ship 5 9

W e have been forced to modify somewhat the adver-tised editorial ambition for this issue - i.e. to cover the Southern Hemisphere. Mind you, w e had not at any time been vain (or naive) enough to believe that one could, in one issue, do more than achieve a broad presentation of activities in such a vast geographical area.

It soon emerged, however, that the concept of the Southern Hemisphere w a s nothing but a cliché, with no economic or technical relevance. At least, not since the days of sail.

The three great landmasses south of the Equator are, of course, better considered as the separate apexes of wedges of influence extending north - not as part of a lateral band.

The Editor

Telophone (0159) 10615 Telex 13501 marine s Editor: G O R D O N I R O N S

Advertisements: B O E L IRONS Subscriptions; A N N E B E R G S T R Ö M " A S K " Sen/ice: H E L E N A L B I H N

Saracen's Head Buildings, 3 6 / 3 7 C o c k Lane, London E C I A 9 B Y , England.

Telophone; Q 1 - 2 4 8 7 8 8 1 Telex; London 8 8 3 5 2 6 Australian representative; Park A s s o c i a t e s ( P T Y ) Ltd., Capitol Centre, 1 1 3 S w a n s t o n Street,

MeSbourne, Victoria, Australia 3 0 0 0 .

Dutch representative: Ton Hoogstraaten, c / o Mari T e a m , Walenburgerweg 5 9 , Rotterdam. Telephone; 0 1 0 - 6 5 6 8 2 2 Telex: 2 3 0 5 0 kfilm nl

French representative; G u s t a v E l m , 41 A v e n u e Montaigne, Paris, 8e, France

German representative; Verlagsbüro H.E. von Rautter, 2 0 0 0 Hamburg 5 2 , Giesestrasse 4 4 . Telephone: 8 9 0 4 1 4 1 Japanese representatives; I P S Group Ltd, Ohsaki P o s t Office, Tokyo, J a p a n

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VOLUiVlE 29) WUIViBER 9

Contents

Chatterbox page 3

Advanced simulators for training 17

Realism in simulation 19 Role of the feeder ro-ro 2 4 Data Sheet: air-sea tender 2 5 Offshore market angles 2 7 The Offshore Market 2 9 Australian offshore drilling resumed 31

Australian policy outlined 31

Offshore W a l e s 3 2 TP1: longest U.K. - North S e a platform t o w 3 3

The Elf Float-round 3 3 Remote control for platform placing 3 7

Data Sheet: crewboat 3 9 Hovercraft and hydrofoils 4 2 Eye on electronics 51 In Scottish W a t e r s 5 3 Float-on, float-off heavy-lift ships 5 3

A stern-ramp heavy-load carrier 5 5 S M A L L S H I P S ON O R D E R 5 9 South African Newsletter 7 9 Engineering News 8 0 Data S h e e t - anchorhandling tug 8 3

Letters to the Editor 8 8

People 8 8 Round the Yards 8 9

A Norwegian centenarian 9 2 How to overcome a difficult situation 9 2

Classified advertisements 9 3 - 9 5

SEPTEIVIBER 1376"

A s w e go to press comes n e w s of yet another girting incident. Under the circumstances it is astonishing that neither ship nor life w a s lost in this case.

It appears that a large ship leaving port with tug assis-tance suffered an engine breakdown. The stern tug w a s asked to reduce the speed of the t o w through the water. While attempting to do this, she w a s caught in the pro-peller w a s h when the tow unexpectedly started her main engine again.

The tug quickly heeled to port on the taut 10 in hawser and, w h e n water began to enter the funnel, the c r e w took refuge on the starboard bulwark. Hook release lines (on deck, p and s, and on the bridge) w e r e not safely accessible. No automatic release w a s fitted.

A quick-thinking and courageous seaman on the t o w cut the hawser to breaking point whereupon the tug righted herself. S o her stability w a s adequate.

Could w e perform a useful function by asking readers to recount similar incidents for a wider circle? Comments invited.

T h e Editor

P.S. S e e picture further on in this issue.

p a x MARINE P R E S S A S

Telephone (0159) 10615 Telex 13501 marines Editor: G O R D O N IRONS

Advertisements: B O E L IRONS Subscriptions: A N N E BERGSTRÖM

"ASK" Service: H E L E N A L B I H N

Telephone: 0 1 - 2 4 8 7 8 8 1 Telex: London 8 8 3 5 2 6 Australian representative: Park Associates (PTY) Ltd., Capitol Centre, 1 1 3 S w a n s t o n Street,

Japanese representatives: IPS Group Ltd, P.O. Box 6 8 1 , Chinjuku, Tokyo 1 6 0 - 9 , J a p a n

Pnnted in S w e d e n by Allkartong A B , Stockholm. SHIP & B O A T I N T E R N A T I O N A L S E P T E M B E R 1 9 7 6

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Incorporating International • AND ' d 5 f Contents Chatterbox page 3

Second Offshore Craft Convention 9

Data Sheet: L P G tanker 13

Small workboats in Holland 15

The British worker...(workboats) 19

Letter to the Editor 2 2

Developments at Fairey IVlarine 2 4

Australia's patrol boat industry 2 5

Engineering News 31

Schottel police launch 3 7

Data sheet: jet crewboat 3 9

Philosophy of water-jet propulsion 41

T W S J 6 water jet 4 3

Submersibles an established technology 4 7

IVIoving decks: drive alternatives 4 7

A new joystick system at Stavanger 4 8

Pontoon-hull supply ship 4 8

People 4 9

Shipping Dept. (cargo news) 5 0

Branddirektor Kipping: fire float 51

Australian Notebook 5 2

Developments at Frederikshavn 5 3

Danish patrol boats 5 4

Örskov S t e e l Shipyard 5 4

B & W Alpha's n e w diesel factory 5 7 Panel production line for small yards 5 8 Shipbuilding and repairs at Karachi 5 9 New ship and boat builder on the Mersey 61

Data sheet: low-profile coaster 6 3

Classified advertisments 6 6 , 6 7

With the Second Offshore Craft Conference barely over, it gives me a slight shock to realise that the next such event, the 5th International Tug Convention, is only six months away. This sudden imminence (or rela-tive imminence, anyway) is due to the choice of April as conference month. I think it i s . a good choice - the Autumn is beginning to get all too crowded with exhibi-tions and get-togethers.

Anybody who would like to submit a paper for the Tug Convention should lose no time in getting in touch with me or the organisers, Thomas Reed Publications Ltd. W e particularly hope that people at the institu-tions and independent researchers will respond to this invitation. If the proposed subject s e e m s suitable, a synopsis will be requested for deeper evaluation.

If you are interested - lose no time. Write now.

The Editor

MARINE P R E S S AB

S- 150 30 Mariefre, Swedeni.

Telephone (0159) 106 15 Telex 13501 marines Editor; G O R D O N I R O N S

Advertisements: B O E L I R O N S Subscriptions: A N N E B E R G S T R Ö M " A S K " Service: H E L E N E A L B I H N U.K. and North American representatives Thomas Reed Publications Limited

Saracen's Head Buildings, 3 6 / 3 7 C o c k Lane, London E C 1A S B V , England.

Melbourne, Victoria, Australia 3 0 0 0

Dutch representatives: Ton Hoogstraaten, c / o Mari T e a m , Walenburgerweg 5 9 , Rotterdam. Telephone 0 1 0 - 6 5 6 8 2 2 Telex: 2 3 0 5 0 kfilm nl

French representative- Gustav Elm 4 1 Avenue Montaigne, Paris, 8 e , France

Japanese representatives- IPS Group Ltd, P.O. Box 6 8 1 , Shinjuku, Tokyo 1 6 0 - 9 , Japan

1976 P A X M A R I N E P R E S S A B A B

^i^svarig utgivare: Boel Irons

•^fintet! in Sweden by Allkartong AB, Stockholm.

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f \ ! O V E [ V l B E R 1f376

C o n t e n t s

Chatterbox page 3

Netherlands industry faces lean years" 5 5th International Tug Convention 5 A standard tug from Holland 9 Twenty-knot steel pilot vessel 10 Data Sheet: anchorhandling tug 11 New designs from Damen 13 M.T. Heeli: another Z-peller tug 17 Support ship salvage by floating crane 18 New frontiers in diving technology 19 Data Sheet: submersible mothership 21

Offshore Market 2 3 Reflections on OIMS 76 2 4 Bottom-tow for pipeline connection 2 4

Engineering IMews 2 7 "Revolutionary" n e w steering unit 2 9

Indian news 3 5 New two-pitch propeller s y s t e m 39

Shipping Dept. 41 Australian Notebook 4 2 Baron X 1 0 radar for workboats 4 3

New products from Krupp-Atlas 4 5

People 4 9 Letters to the Editor 4 9

Round the Yards 5 4 Fin stabilisers - the case stated 57

Report to ILO Conference 5 9 Catch 7 6 netted business 5 9 South African Newsletter 6 0 Southampton Boat S h o w 6 0 Classified advertisements 6 3 Index to advertisers 6 4

It w a s recently announced that the Gotaverken Söl-vesborg Shipyard is to be further sustained by the build-ing of up to four 3 8 0 0 t d w shelter-deckers for stock. The Sölvesborg yard is part of the Salen-managed Gota-verken Group, which is half-owned by the Swedish Sta-te. The order now placed at Sölvesborg may be taken as an extension to the smallship sector of the official S w e -dish policy of maintaining a certain Yard capacity, under Government control, by order to be placed "on the shelf" until there is market demand.

The Sölvesborg yard has barely survived a number of crises over the past decade. It is one of those yards which has had difficulty in finding its proper slot in the market. The vessels now to be built for stock can hardly be said to represent a fresh approach. In view of the risk that the Swedish example will be followed even more extensively elsewhere it is therefore rele-vant to ask: How will the prospects for vigorous and viable yards, with legitimate specialties, ever improve if an automatic mechanism of over-supply is buiit-into the market?

The Editor

P/UC WD/^E^DKIE

Pmm

A B

Telephone (0159) 10615 Telex 13501 marine s Editor: G O R D O N I R O N S

Advertisements: B O E L IRONS Subscriptions: A N N E B E R G S T R Ö M "ASK" Service: H E L E N A L B I H N

Saracen's Head Buildings, 3 6 / 3 7 Cock Lane, London E C 1A 9 B Y , England.

Telephone: 0 1 - 2 4 8 7 8 8 1 Telex: London 8 8 3 5 2 6 Australian representative: Park Associates (PTY) Ltd., Capitol Centre, 1 1 3 S w a n s t o n Street,

Japanese representatives: IPS Group Ltd, P.O. Box 6 8 1 , Chinjuku, Tokyo 1 6 0 - 9 , J a p a n

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Contents page Chatterbox 3 Letters to the Editor 5

Round the Yards 10 LL.O. Conference results 13 Eye on Electronics 15 South African Newsletter 15

Offshore Notes 16 New deck machinery series 17

The Schilling Rudder in action 2 3 The Schiess-Defries lift dock 2 4 Dubai port project benefits shipping 2 4

People 2 6 Navigation in Ice

M.T. Samotlor - Polar pioneer 2 7 Hints on navigation in ice 31 Extending the S e a w a y season 3 5 Canadian C G develops air icebreaking technique 3 7

The Helsinki icebreaking laboratory 3 8 Scope of model testing in ice 3 8 Observations of performance in ice 3 9 Data Sheet: harbour icebreaker 41 Design of tugs for icebreaking 4 5

Pathfinder in ice 4 6 Data Sheet: icebreaking tug 4 7

U S C G icebreaker has c.p. props 4 8 C P . propellers for ice conditions 4 9

In Scottish W a t e r s 5 0 The Carry C a t 51 Engineering News 5 3 Data Sheet: L P G tanker 5 5 Gothenburg Boat S h o w 6 0 Classified advertisements 6 1 , 6 3

Index to advertisers 6 4

This issue of Ship & Boat International marks the com-pletion of one year's publication sincis Pax Marine Press took over. W e have tried hard to make an even better magazine and have been enormously encouraged by the many demonstrations of support from readers and ad-vertisers during the past twelve montsh.

Currency fluctuations have caused, and doubtless will continue to cause, many headaches. But perhaps it is only fitting that an international maritime publication should experience at first hand the problems which beset a large section of its readership!

W e look forward very much to the coming editorial year and take this opportunity of wishing s u c c e s s and prosperity to those concerned in our designated sector of the maritime industry. W e hope that our modest contri-bution will prove of value.

The Editor

Telephone (0159) 10615 Telex 13501 marines Editor: G O R D O N I R O N S

Advertisements: B O E L I R O N S Subscriptions: A N N E B E R G S T R Ö M " A S K " Service: H E L E N A L B I H N Production: A R T H U R B O W B E E R

U.K. and North American representatives: T h o m a s Reed Publications Limited,

Saracen's Head Buildings, 3 6 / 3 7 Cook Lane, London E C 1A 9 B Y , England.

Telephone: 0 1 - 2 4 8 7 8 8 1 Telex; London 8 8 3 5 2 6 Australian representative; Park Associates (PTY) Ltd., Capitol Centre, 1 1 3 S w a n s t o n Street,

Dutch representative; Ton Hoogstraaten, c / o Mari T e a m , Walenburgerweg 5 9 , Rotterdam. Telephone: 0 1 0 - 6 5 6 8 2 2 Telex; 2 3 0 5 0 kfilm nl

Japanese representatives; IPS Group Ltd, Ohsaki Post Office, Tokyo, Japan

Printed in England by Clifford Frost Ltd.