Contents Ship & Boat International 1990

(1)

Q ' C Z J f " ^ O Q

6 cylinder in-line

^^^^^^^^^^^^

Accepted internationally for arduous marine duties demanding reliable, continuous operation, the Ruston RK270 range offers powers up to 6190 bfip (4600 kW) at speeds from 750 to 1000 rev/min.

Circle No. 23

Ruston Diesels Limited

Vulcan Worlds, Newton-le-Willows Merseyside WA12 8RU, England

Tel: 0925 225151 Telex: 627131 Telefax: 0925 222055

r^USTON

Managing Editor:

IVlichael Wal<e BSC. c.Eng. M R I N A

Editor: Richard W l i i t e BSC. c.Èng. ruRiNA Associate Editor: T i m Knaggs Editorial A s s i s t a n t : Sue Reddy Advertisement Manager: Karen Roberts B A Advertisement Consultant: J o h n L a b d o n Advertisement Assistant: Debbi B o n n e r

Subscriptions and Publications:

Lesley S m i t h e r s

Editorial and Advertisement Office: 10 U p p e r Belgrave Street, L o n d o n , S W 1 X 8 B Q . Telephone: 01-235 4622/4. Telegrams: S i n a i , L o n d o n . Te/ex; 265844 S i n a i . Fax.-01-245 6959. Advertisement Representatives: Italy: Ediconsult I n t e r n a t i o n a l e Piazza Fontane M a r o s e 3, 16123 G e n o a , Italy. Telephone: 543 6 5 9 ; 268 3 3 4 ; 268 513. T e l e x : 281197. r e / e / a x ; ( 0 1 ) 5 6 6 578. Typeset and printed in Great Britain by:

Pensord Press Ltd.

SHIP & B O A T I N T E R N A T I O N A L is

available o n annual s u b s c r i p t i o n (10 Issues per year) at £46.00. Overseas despatch is a i r s p e e d e d .

SHIP & B O A T INTERNATIONAL

(established in 1947) is p u b l i s h e d t e n t i m e s a year by T h e Royal

Institution o f Naval A r c h i t e c t s . The I n s t i t u t i o n is n o t as a b o d y r e s p o n s i b l e f o r o p i n i o n s e x p r e s s e d in Ship & Boat International. © 1990: 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 u n d e r t h e Berne C o n v e n t i o n and t h e International C o p y r i g h t C o n v e n t i o n . A l l r i g h t s reserved. N o part o f t h i s p u b l i c a t i o n m a y be r e p r o d u c e d , s t o r e d in a retrieval system o r t r a n s m i t t e d w i t h o u t the p r i o r 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 s n o t h o w e v e r , r e q u i r e d t o c o p y abstracts o f papers o r articles o n c o n d i t i o n t h a t 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.

News review 3

Prolific production of luxury motor yachts f r o m D u t c h yards 7

Points f r o m the H i g h Speed Surface C r a f t Conference 13

Strong windows f o r lifeboats — a report on R N L I research w o r k 17

Beachable aluminium passenger tenders f o r cruise ships 22

Data Sheet — H a r b o u r tug Eleu 23 Humber Tugs order five large tractor tugs

26

Vessels of 1989 — picture pages 28

Record breaker uses advanced electric motors

33

D u t c h SES under construction 35 Eye on Electronics 37

Trade and Equipment News 40 Propulsion round-up 41

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I r c o r p n r i i l n g S . m a l l C r n l t

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Front Cover S w a t h Ocean S y s t e m s ' S W A T H

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Accepted internationally for arduous marine auties demanding reliable, continuous operation, ine Ruston RK270 range offers powers up to blSO bhp (4600 m) at speeds from 750 to 1000 rev/min

Circle No. 23

Puston Diesels Limited

ivulcan Works, Newton-le-Willows ;^erseysideWA12 8RU, England

"925 225151 Telex: 627131 Telefax: 0925 222055

Managing Editor:

Mictiael Wake BSC. c.Eng. M R I N A

Editor:

Richard W h i t e BSC. c.Eng. ts^RiNA

Associate Editor: T i m Knaggs Editorial Assistant: Sue Reddy BA Advertisement Manager: Karen Roberts B A Advertisement Consultant: J o h n Labdon Advertisement Assistant: Debbi Bonner

Editorial and Advertisement Office: 10 U p p e r Belgrave Street, L o n d o n , S W 1 X 8 B Q . re/ep/)one; 01-235 4622/4. Telegrams: S i n a i , L o n d o n . Te/ex; 265844 S i n a i . Fax; 01-245 6959. Advertisement Representatives: Italy: Ediconsult Internationale Piazza Fontane M a r o s e 3, 16123 Genoa, Italy. Telephone: 543 6 5 9 ; 268 334; 268 513. Telex: 281197. re/efex. (01)566 578.

Typeset and panted in Great Britain by:

Pensord Press Ltd.

SHIP & B O A T INTERNATIONAL is

available on annual s u b s c r i p t i o n (10 issues per year) at £46.00. Overseas despatch is airspeeded.

SHIP & BOAT INTERNATIONAL

(established in 1947) is p u b l i s h e d ten t i m e s a year by The Royal Institution of Naval Architects. T h e Institution is n o t as a b o d y responsible f o r o p i n i o n s expressed in Ship & Boat International. © 1 9 9 0 : The Royal Institution of

Naval Architects. This p u b l i c a t i o n is c o p y r i g h t u n d e r the Berne C o n v e n t i o n and t h e International C o p y r i g h t C o n v e n t i o n . A l l rights reserved. No part 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 o r 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 . Permission is not h o w e v e r , required t o copy abstracts of papers or articles o n c o n d i t i o n that a f u l l reference t o t h e source is s h o w n . Multiple -copying of the contents without permission is always Illegal.

Mm

n c o r p o r a t i n m a II

Issue 9 0 / 0 2 March 1990

News review 3

Tug design— Robert A l l a n considers the ship handling,.tug with special reference to layout and wheelh'tfuse design 7

Ancient Mediterranean boatbuilding. The preservation of a Punic ship with evidence o f advanced construction techniques and prefab-rication 15

Conversions to offshore standby vessel; an ac-tive market 21

Report on the Workboat Exhibition seminars

27

Design activity at G L Watson 27 Finnish fireboats 28

Catamarans, lifeboats and boom-layers f r o m Rosendal 30

Eye on Electronics 33

Trade and Equipment News 35 Profile — Paxman Diesels L t d 37 Propulsion round-up 42

§fflF®^(0)AT[

: ) n g S m a l l C r a f t

Expertise, experience and advanced diesel teciinology. Those are the secrets behind the wvridvnde success for TAMD162 and the Cost ControlPmgramme; Volvo Penla's innovative new package of propulsion syslemSj instaltafion assistance and in-service support To learn more, contact your heal dealer!

(3)

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BDOfflBS

6cylinderin-line

' 12 cylinder vee

Accepted internationally for arduous marine duties demanding reliable, continuous operation, the Ruston RK270 range offers powers up to 6190 bhp (4600 kW) at speeds from 750 to 1000 rev/min.

Circle Wo. 23

Vulcan V\/orks, Newton-le-Willows Merseyside WA12 8RU, England

I n c o r p o r a t i n g S c t r a a G r a f f E d i t o r : Richard W h i t e BSC. c.Eng. M R I N A A s s o c i a t e E d i t o r : T i m Knaggs E d i t o r i a l A s s i s t a n t : Sue R e d d y B A A d v e r t i s e m e n t M a n a g e r : Steve Petzing B A A d v e r t i s e m e n t C o n s u l t a n t s : J o h n L a b d o n Karen Roberts B A A d v e r t i s e m e n t A s s i s t a n t : Debbi B o n n e r S u b s c r i p t i o n s and P u b l i c a t i o n s : Lesley 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 : 10 U p p e r Belgrave Street, L o n d o n , S W 1 X 8 B Q . Telephone: 071-235 4622/4. Telegrams: S i n a i , L o n d o n . Te/ex; 265844 Sinai. Fax: 07 ^-245 6959. 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 : Italy; Ediconsult Internationale Piazza Fontane M a r o s e 3, 16123 G e n o a , Italy. Telephone: 543 659; 268 334; 268 513. Telex: 281197. r e / e f e x ; ( 0 1 ) 5 6 6 578.

Typeset and printed in Great Britain by:

Pensord Press Ltd.

SHIP & BOAT INTERNATIONAL is available on annual s u b s c r i p t i o n (10 issues per year) at £46.00. Overseas despatch is a i r s p e e d e d . SHIP & B O A T INTERNATIONAL (established in 1947) is p u b l i s h e d t e n t i m e s a year by The Royal Institution o f Naval A r c h i t e c t s . The 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 Ship & Boat International. © 1990: 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 u n d e r the Berne C o n 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 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 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 p r i o r p e r m i s s i o n o f the c o p y r i g h t o w n e r s . Permission s n o t h o w e v e r , r e q u i r e d t o c o p y abstracts of papers o r articles o n c o n d i t i o n t h a t a f u l l reference t o the source is s h o w n . / W u / t / p / e copying of the contents without permission is always illegal.

Issue 9 0 / 0 4 May 1990

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16 cylinder vee

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Accepted internationally for arduous marine duties demanding reliable, continuous operation, the Ruston RK270 range offers powers up to 6190 bhp (4600 kW) at speeds from 750 to 1000 rev/min. ^ . .

Circle No. 23

Vulcan Worl<s, Newton-le-Willows Merseyside WA12 8RU, England

RUSTON

I n c o r p o r a t i n g S m a S O f £1 6 E d i t o r : Richard W h i t e BSC. c.Eng. M R I N A Associate Editor: T i m K n a g g s Editorial A s s i s t a n t : Sue R e d d y B A Advertisement Manager: Steve Petzing Advertisement Consultants: J o h n L a b d o n Karen Roberts B A Advertisement A s s i s t a n t : Debbi B o n n e r

Editorial and Advertisement Office:

10 Upper Belgrave Street, L o n d o n , S W 1 X 8 B Q . re/ep/7one; 071-235 4622/4. Telegrams: S i n a i , L o n d o n . Te/ex; 265844 Sinai. Fax; 071-245 6959. Advertisement Representatives: Italy: E d i c o n s u l t I n t e r n a t i o n a l e Piazza Fontane M a r o s e 3, 16123 G e n o a , Italy. Telephone: 543 659; 268 334; 268 513. T e l e x : 281197. 7"e/e/ax;(01)566 578.

Pensord Press Ltd.

available o n a n n u a l s u b s c r i p t i o n (10 issues per year) at £46.00. Overseas despatch is a i r s p e e d e d .

(established in 1947) is p u b l i s h e d t e n t i m e s a year b y 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 . T h e I n s t i t t i o n is not as a b o d y r e s p o n s i b l e f o r o p i n i o n s expressed in Ship & Boat International. © 1990; T h e Royal I n s t i t u t i o n o f Naval A r c h i t e c t s . This p u b l i c a t i o n is c o p y r i g h t u n d e r t h e Berne C o n v e n t i o n and 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 reserved. No part of this p u b l i c a t i o n m a y be r e p r o d u c e d , s t o r e d in a retrieval s y s t e m or t r a n s m i t t e d w i t h o u t the p r i o r 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 h o w e v e r , r e q u i r e d t o c o p y abstracts o f papers or 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 . M u / f / p / e copying of the contents without permission is always illegal.

Issue 90/05 J u n e 1990

News review

Surface E f f e c t Ships — an extensive report on the market f o r these fast c r a f t , and current projects 9

New vessels — a selection of recently completed vessels 20

Stability of sail training ships. Analysis of t h e ' reasoning and research work behind the new stability rules 3

The concept of the hatchcoverless container ship 32

Felixstowe's new generation stern thruster tug enters service 35

Comments on tug wheelhouse design 39

Propulsion round-up 42

§ f f l M ( M T I

n i S m a l l C r » l t

Expefilse, experience end advanced diesef lechnology. Tïiose are the sectels behind Ihe tvofldwide success forTMiD 162 and Ihe Cost Contnjl PiugrammB; Volvo Penla's Inno I'D live i\ev/package of pruputsion syslema, Irislallalian assistance end in-service support To learn more, contact your local dealerl

(5)

(6)

Ruston engines powered

HOVERSPEED GREAT BRITAIN

on her successful record-breaking

Atlantic crossing.

Four 16 cylinder RK270 diesel

engines produced 20,000 horsepower

t o achieve the record-breal<ing

average speed of 36.65 knots.

^-N, Circle IMo. 23

Ruston Diesels Limited

Vulcan Works, Newton-le-Willows Merseyside, England, WA12 8RU,

Tel: 082S 225151. Telex: 627131. Telefax: 0925 222055

§iEff^i®AT

_I _n _c _o _r _p _o _r _a _t _i _n _{g S m a} _{c a (J 1Ï} Editor: Richard W h i t e BSC. c.Eng. M R I N A Editorial A s s i s t a n t : Sue R e d d y B A Advertisement Manager: Steve Petzing Advertisement Consultant: J o h n Labdon Advertisement A s s i s t a n t : A n d r e a M c M o r d i e

Editorial and Advertisement Office: 10 U p p e r Belgrave Street, L o n d o n , S W 1 X 8 B Q . Telephone: 071-235 4622/4, Telegrams: S i n a i , L o n d o n . 7"e/ex; 265844 Sinai. Fax: 071-245 6959. Advertisement Representatives: Italy: Ediconsult Internationale Piazza Fontane M a r o s e 3, 16123 Genoa, Italy. Telephone: 543 6 5 9 ; 268 3 3 4 ; 268 513. Telex: 281197. Te/efex.-(011566 578.

Typeset and pnnted in Great Britain by:

Pensord Press Ltd.

SHIP & B O A T I N T E R N A T I O N A L is

available o n a n n u a l s u b s c r i p t i o n (10 issues per year) at £46.00. Overseas d e s p a t c h is airspeeded.

SHIP & B O A T I N T E R N A T I O N A L

(established in 1947) is p u b l i s h e d t e n t i m e s a year b y The Royal Institution of Navai A r c h i t e c t s . T h e Institution is n o t as a b o d y • r e s p o n s i b l e f o r o p i n i o n s expressed

in Ship & Boat International.

© 1990: 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 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 r i g h t s reserved. 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 o r t r a n s m i t t e d w i t h o u t the p r i o r 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 h o w e v e r , r e q u i r e d t o c o p y abstracts o f p a p e r s o r 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 source is s h o w n . Multiple copying of the contents without,, permission is always illegal.

Issue 90/07 S e p t e m b e r 1990

News review 3

Diesel engine emissions — a Swedish engine builder's views on forthcoming regulation and its impact on engine design 7

Profile o f the new RK215 medium speed diesel engine. 15

Trials of a semi-Kaplan towboat propeller 17 Four ship handling fugs f o r Rimorchiatori R i u n i t i with unusual features 19

Salvage tug f o r recreational craft 19 Data Sheet — Einar and Eriand, tanker handling tugs f o r Scapa Flow 21

Report on W o r k b o a t 90 exhibition 25 A n adaptable moulding system f o r construction of G R P hulls 35

Catamaran f o r Netherlands f e r r y route 38 The S W A T H as hydrographic survey vessel 41

Trade and Equipment News 51.

I t C r a 1 T

ff I L l l l . . . « i

(7)

n c O r p o r a t i n g S m a l l C r a f t

Published as a supplement to

Ship & Boat International September 1990

Ulstein

—

a portrait of ai

maijor internaÉicomal shipbuilder

aiinidl msiffBinie ©q]Enpmeiiiit msiiniiinffaictoffeir

Introduction 1

Historical background and present

structure

3 Entry into the high speed vessel

market

7 UT900 series air cushion catamarans 11

The Eurodyn gas turbine project 13

Activities at Bergen Diesel 17

Equipment packages 19

Propulsion equipment 21

Conventional shipbuilding 26

G r o w t h aimid coosolidatioiii

The Norwegian Ulstein Group has

come a long way

f r o m

a small yard

perched on an island repairing fishing

boats to a major shipbuilding and

equip-ment Group, employing a significant

percentage of the labour along the

Nor-wegian coast and with subsidiaries i n a

number of countries abroad.

I f it was the offshore support vessel

which laid the basis of Ulstein's current

fortunes with some 220 of the U T 700

series, designs built either at the

Group's own yards or by others under

licence. I t is interesting to see that as

the CSV construction market revives,

it is U T designs, albeit m o d i f i e d , which

are once again in demand. However,

nowadays conventional shipbuilding is

only a part of the scene and marine

equipment is responsible for much of

the

Group

's prosperity while a major i n

-vestment in the..design, construction

and propulsion of high speed vessels,

primarily air cushion catamaran ferries,

promises to consolidate the Group's

po-sition i n a buoyant present and future

market.

I n a report in Ship & Boat seven

years ago on the Ulstein Group, we

not-ed "Absent f r o m the Ulstein philosophy

is any element of pre-assumed growth

in any specific direction, what is there

is a belief in the ability to survive

healthily or with healthy potential

through own efforts, innovation and i m

-agination. With maybe a dash of luck

and little seat of the pants instinct.

Broad directional constraints are i m

-plicit in the criteria by which any new

project is first vetted; one, is it

techno-logically within Ulstein's province; two,

is it suited to the production structure;

where can the Group market it

effec-tively? Thus Ulstein innovativeness

tends to be channelled

to

the shipping

and offshore fields, or first cousin

tech-nologies such as materials handling and

metal fabrication."

Ulstein S u p p l e m e n t

This philosophy seems to have stood

the Group i n good stead and still

ap-plies.

Viewed f r o m outside Norway,

Ulstein Group's organisation into a

large number of relatively small

com-panies scattered up and down the coast

appears curious. Why not reap some

benefits of scale by consolidating into

fewer sites? The Group's President,

Idar Ulstein, points out the special

fac-tors i n the way the Group has grown

and i n the conditions which obtain in

Norway. Acquisition of the Bergen

Group in 1985 virtually doubled

Ulstein's size. Since then other

acquisi-tions have brought within the Group

what were previously self contained

companies. There is an interest in

re-ducing the number of units but there

are definite constraints. Sales and

mar-keting, f o r example, is now handled in

general f o r the whole Group by Ulstein

International. It is only Norwinch and

Bergen Diesel who in addition have

their own sales departments.

Small companies demand more total

management than large ones and the i n

-tention is to merge some of the yard

activities, structuring, f o r example,

steelwork as f o u r departments not three

yards. But there are strong limitations

on building larger units, forced by the

nature of Norwegian society where

most of the population lives in small

towns and villages scattered along a

long coastline, many of the

communit-ies being on small islands relying

entire-ly on ferry traffic f o r their

communica-tions with the mainland.

The size of the " K o m m u n e " limits

the size of the company to the available

labour force, unless complex and costly

arrangements are made such as

current-ly at Hyen and E i k e f j o r d to provide

ac-commodation f o r workers f o r whom

daily travel f r o m home to the yard

would be prohibitive i n time.

Mr Idar Ulstein, president of tt\e Ulstein group.

The other risk with large companies

in small communities is the cyclical

na-ture of the marine business, so f o r a

community's overall prosperity, it is

de-sirable to have a balanced mixture of

industries which dance to different

tunes. The main Ulstein base at

Ulsteinvik on Hareid is a m a j o r

em-ployer of local labour i n seven of the

neighbouring 'kommuner', but to a

de-gree this is balanced by a deep sea

fish-ing industry and f u r n i t u r e businesses.

Idar Ulstein is enthusiastic about the

Group's involvement i n high speed

vessels and sees this sector sitting well

with the Group's exisdng services and

products since there is existing capacity

to do much of the naval architecture

and hydrodynamics, while high speed

vessel propulsion is a useful extension

to the work already carried out at

Ulstein Propeller.

He sees the existing policy of taking

equity in ships to be a good one when

entering these areas of new technology,

for the Group, since owners do not have

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Ruston engines powered

HOVERSPEED GREAT BRITAIN

on her successful record-breaking

Atlantic crossing.

Four 16 cylinder RK270 diesel

engines produced 20,000 horsepower

to achieve the record-breaking

average speed of 36.65 knots.

Circle No. 23

I6RK270

Ruston Diesels Limited

Tel: 0925 225151. Telex: 627131. Telefax: 0925 22205S

SHIP^BOAT

Editor: Richard W h i t e BSC. c.Eng. M R I N A Editorial Assistant: Nancy T u r n e r B A i H ons) Advertisement Manager: Steve Petzing Advertisement Consultant: J o h n Labdon Advertisement Assistant: A n d r e a M c M o r d i e

Editorial and Advertisement Office:

10 Upper Belgrave Street, L o n d o n , S W 1 X 8 B Q . Telephone: 071-235 4622/4. Telegrams: S i n a i , L o n d o n . Te/ex; 265844 Sinai. Fax; 071-245 6959. Advertisement Representatives: Italy: Ediconsult Internationale Piazza Fontane Marose 3, 16123 Genoa, Italy.

Telephone: 543 659; 268 334; 268 513.

Telex: 281197.

re/efax; (01) 566 578.

Pensord Press Ltd.

SHIP & BOAT INTERNATIONAL is

SHIP a BOAT INTERNATIONAL

(established in 1947) is p u b l i s h e d t e n t i m e s a year by The Royal Institution of Naval Architects. The Institution is not as a b o d y responsible f o r o p i n i o n s expressed in Ship & Boat International. © 1990: The Royal Institution o f Naval Architects. This p u b l i c a t i o n is c o p y r i g h t u n d e r t h e Berne C o n v e n t i o n and the 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 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 system o r t r a n s m i t t e d w i t h o u t the prior p e r m i s s i o n of t h e c o p y r i g h t o w n e r s . Permission is not h o w e v e r , r e q u i r e d t o copy abstracts of papers or articles o n c o n d i t i o n that 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.

n c o r p o r a t i n g S m a

Issue 10/08 October 1990

News review 3

Safety rules and regulations f o r high speed light craft — Dri'V-yiews?

Australian tug orders 15

Initial design stage slam pressure prediction for small S W A T H ships 17

Update on Navatek S W A T H s 20

Design proposals f r o m Swath Ocean 25

Mitsui S W A T H progress 29

W e l l stimulation vessel ordered 31

Membrane effect optimises use of Kevlar in boat hulls 33

What is wrong w i t h welded aluminium boats today? 35

Power f o r larger fast light vessels — M T U ' s new 595 series diesel engine 39

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Ruston engines powered

HOVERSPEED GREAT BRITAIN

on her successful record-breal<ing

Atlantic crossing.

Four 16 cylinder RK270 diesel

engines produced 20,000 horsepower

to achieve the record-breaking

average speed of 36.65 knots.

Circle IMo. 23

I 6 R K 2 7 0

Ruston Diesels Limited

Tel: 092S 225161. Telex: 627131. Telefax: 0925 222055

n c o r p o r a t 1' O C (', Issue 10/09 November 1990 Editor: Rictiard W h i t e BSC. c.Eng. M R I N A Editorial Assistant: Nancy T u r n e r B A (Hons) Advertisement Manager: Steve Petzing Advertisement Consultant: J o h n L a b d o n Advertisement Assistant: A n d r e a M c M o r d i e

Editorial and Advertisement Office: 10 U p p e r Belgrave Street, L o n d o n , S W 1 X 8 B Q . Telephone: 07^-235 4622/4. Telegrams: S i n a i , L o n d o n . Te/ex; 265844 Sinai. Fax; 071-245 6959. Advertisement Representatives: Italy: Ediconsult Internationale Piazza Fontane M a r o s e 3, 16123 Genoa, Italy. Telephone: 543 659; 268 334; 268 513. T e l e x : 281197. Te/efex; (011566 578.

Pensord Press Ltd.

available on annual s u b s c r i p t i o n (10 issues per year) at £46.00. Overseas despatch is a i r s p e e d e d .

(established in 1947) is p u b l i s h e d ten t i m e s a year by T h e Royal I n s t i t u t i o n of Naval Architects. The Institution i a n o t as a b o d y responsible f o r o p i n i o n s expressed in Ship & Boat International.

© 1990: The Royal Institution o f Naval Architects. This p u b l i c a t i o n is c o p y r i g h t u n d e r t h e Berne C o n v e n t i o n 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 reserved. No part of t h i s p u b l i c a t i o n m a y be r e p r o d u c e d , s t o r e d in a retrieval s y s t e m or t r a n s m i t t e d w i t h o u t t h e p r i o r p e r m i s s i o n of the c o p y r i g h t o w n e r s . Permission is n o t h o w e v e r , required t o c o p y abstracts of papers o r articles o n c o n d i t i o n that a f u l l reference t o t h e source is s h o w n . Mu/f(p/e copying of the contents without permission is always illegal.

News review 3

Short Sea Europe '90 conference report 9

Some coastal and short sea ship designs 12

New rules f o r U K canaLboats 17

Electrically propelled boats — whence, and where to now? 20

Who builds the best supply boats? 26

Boatbuilding methods in Sweden 29

Salvage — an analysis of the new Lloyd's Open F o r m 33

Propulsion round-up 37

SI

m

3 7 0 0 S

Westamarin

(10)

Ruston engines powered

HOVERSPEED GREAT BRITAIN

on her successful record-breaking

Atlantic crossing.

Four 16 cylinder RK270 diesel

engines produced 20,000 horsepower

t o achieve the record-breaking

average speed of 36.65 knots.

s

1

Vulcan Works, Newton-Ie-Willows

Ruston Diesels Limited

Merseyside, England, WA12 8RU,

Tel: 0925 225151. Telex: 627131. Telefax: 0925 2220SS

Editor: Ricliard W i i i t e BSC. c.Eng. M R I N A Editorial Assistant: Nancy T u r n e r B A (Hons) Advertisement IVlanager: Steve Petzing Advertisement Consultant: J o h n Labdon Advertisement Assistant: Debbi Bonner

Editorial and Advertisement OHice:

10 Upper Belgrave Street, L o n d o n , S W 1 X 8 B Q . Telephone: 071-235 4622/4. Telegrams: Sinai, L o n d o n . Telex: 265844 Sinai. Fax; 071-245 6959. Advertisement Representatives: Italy: Ediconsult Internationale Piazza Fontane Marose 3, 16123 Genoa, Italy.

Telephone: 543 659; 268 334; 268 513.

Telex: 281197.

r e / e f e x ; ( 0 1 ) 5 6 6 578.

Typeset and pnnted in Great Britain by:

Pensord Press Ltd.

(established in 1947) is p u b l i s h e d ten t i m e s a year by The Royal Institution o f Naval Architects. The Institution is not as a b o d y responsible f o r o p i n i o n s expressed in Ship & Boat International.

© 1990: The Royal Institution of Naval Architects. This p u b l i c a t i o n is c o p y r i g h t u n d e r t h e Berne C o n v e n t i o n and the International C o p y r i g h t C o n v e n t i o n . All rights reserved. N o part of this p u b l i c a t i o n m a y be r e p r o d u c e d , 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 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 not h o w e v e r , required t o copy abstracts of papers o r articles o n 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.