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1

Southampton Solent University

FACULTY OF TECHNOLOGY

This project is submitted in part fulfilment of the Degree of Bachelor of Engineering with Honours in Yacht & Powercraft Design

Southampton Solent University

May 2015

BEng (Hons) Yacht & Powercraft Design

Guillermo E. Houwer

PRELIMINARY DESIGN OF A MODERN CARIBBEAN EXPRESS CRUISER

May 2015

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Acknowledgment

To Andrew Whitaker, my supervisor, for guidance and advise during the various stages of development of the project. To Giles Barkley and Grant Firth, for their availability about specific enquiries in their respective areas of expertise. To the team at Wally Yachts, who helped throughout the development of the project, helped obtain first-hand information and assisted whenever help was needed. 3

Abstract

Boats are popular all around the world, but each type of vessel is dedicated to a particular market, fulfilling specific needs per geographical area. The aim of the project was to study the needs of two of these areas and create a more versatile alternative for the globalized world of today. The thought behind the IDA55 was to create a Caribbean-ready boat by implementing traditional European styling and boatbuilding, thus creating a new segment in the market. To this end, a preliminary design was made, with a large focus on market research, design and systems on board. The design is developed around logical steps of the design process, and each section was allocated a specific amount of time to ensure the project developed in a timely and structured manner. A Gant chart can be found on the next page describing this process in further detail. The report aims to summarize each step of the design process in a concise fashion so as to highlight the route taken and the challenges faced without giving too much detail at this preliminary design stage. When possible, an analytical approach was taken to look in further depth at issues faces, why things were done a certain way and the evidence needed to back up the decisions made. Comments are also included when needed about how things could have potentially been done differently and what consequences this would have had on the final outcome of the product. The aim is to take the reader through a logical, succinct and hopefully insightful journey regarding the design of a vessel from the preliminary design stage through to preliminary concept. 4

Table of Contents

ACKNOWLEDGMENT ..............................................................................................................................2

ABSTRACT ..............................................................................................................................................3

INTRODUCTION ......................................................................................................................................9

PROJECT CHALLENGES.................................................................................................................................... 9

DESIGN BRIEF ............................................................................................................................................ 10

INITIAL SPECIFICATIONS: ............................................................................................................................... 10

USAGE ANALYSIS .................................................................................................................................. 10

SUPPLIER NETWORK .................................................................................................................................... 10

WEATHER ................................................................................................................................................. 10

MODE OF USE ............................................................................................................................................ 11

PARAMETRIC RESEARCH ...................................................................................................................... 12

CASE STUDIES ............................................................................................................................................ 14

DESIGN................................................................................................................................................. 17

HULL DESIGN ............................................................................................................................................. 17

AESTHETICS ............................................................................................................................................... 19

GENERAL ARRANGEMENT ............................................................................................................................. 20

EXTERIOR COCKPIT AREA .............................................................................................................................. 23

AFT COCKPIT AREA ..................................................................................................................................... 24

INSTRUMENTATION ..................................................................................................................................... 25

ENGINEERING ...................................................................................................................................... 26

WEIGHT .................................................................................................................................................... 26

BALANCE ................................................................................................................................................... 27

POWERING ................................................................................................................................................ 28

STERN GEAR SELECTION ................................................................................................................................ 30

ENGINE SELECTION ...................................................................................................................................... 31

AC SYSTEM SELECTION ................................................................................................................................ 32

ENGINE ROOM VENTILATION ........................................................................................................................ 33

RULES & REGULATIONS ........................................................................................................................ 34

RCD VS ABYC ........................................................................................................................................... 34

RCD COMPLIANCE ...................................................................................................................................... 34

MGN280 CONSIDERATION .......................................................................................................................... 37

OTHER ISO CONSIDERATIONS ....................................................................................................................... 37

SYSTEMS ON BOARD ............................................................................................................................ 38

HOT & COLD WATER SYSTEM ....................................................................................................................... 38

GREY AND BLACK WATER SYSTEM .................................................................................................................. 38

FUEL SYSTEM ............................................................................................................................................. 39

PRODUCTION ....................................................................................................................................... 40

INTRODUCTION........................................................................................................................................... 40

BUILDING METHOD ..................................................................................................................................... 40

RESIN SELECTION ........................................................................................................................................ 41

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MATERIAL SELECTION .................................................................................................................................. 41

THE USE OF A CORE .................................................................................................................................... 42

STRUCTURE .......................................................................................................................................... 43

GERR ESTIMATION ...................................................................................................................................... 43

HULL SCANT APPROACH ............................................................................................................................... 45

CONCLUSION ....................................................................................................................................... 46

APPENDIX ............................................................................................................................................ 48

FIGURE A - ENGINE MANUFACTURER DISTRIBUTION & SERVICE CARIBBEAN NETWORK ............................................. 48

FIGURE B - WEATHER RESEARCH................................................................................................................... 48

FIGURE C1 - FULL LIST OF VESSELS FOR LARGE PARAMETRIC STUDY ..................................................................... 49

FIGURE C2 - FULL LIST OF VESSELS FOR LARGE PARAMETRIC STUDY (CONTINUED).................................................. 50

FIGURE C3 - FULL LIST OF VESSELS FOR LARGE PARAMETRIC STUDY (CONTINUED).................................................. 51

FIGURE C4 - FULL LIST OF VESSELS FOR LARGE PARAMETRIC STUDY (CONTINUED).................................................. 52

FIGURE C5 - FULL LIST OF VESSELS FOR LARGE PARAMETRIC STUDY (CONTINUED).................................................. 53

FIGURE D - WEIGHT & BALANCE (D1-D4) ..................................................................................................... 54

FIGURE D - WEIGHT & BALANCE (D5) ........................................................................................................... 55

FIGURE D - WEIGHT & BALANCE (D6-D8) ..................................................................................................... 56

FIGURE D - WEIGHT & BALANCE (D10-D15) ................................................................................................. 57

FIGURE E - WOLFSON POWER & BENTLEY RESISTANCE RESULTS ......................................................................... 58

FIGURE F - HAMILTON H364 DRIVE SPECIFICATIONS ........................................................................................ 59

FIGURE G - ENGINE & GEARBOX SPECIFICATIONS ............................................................................................. 60

FIGURE H - LARGE ANGLE STABILITY ANALYSIS ................................................................................................. 61

FIGURE I - ISO12217-1 CRITERION .............................................................................................................. 62

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List of Figures

Figure 1 ² (Introduction) Caribbean vs Med boat Venn Diagram Figure 2 ² (Parametric Research) Large analysis conclusion table Figure 3 ² (Parametric Research) Kw/T vs LOA Chart Figure 4 ² (Parametric Research) Fn Beam vs LOA Chart Figure 5 ² (Parametric Research) Lwl/Bwl ratio vs LOA Chart Figure 6 ² (Parametric Research) Displacement vs LOA Chart Figure 7 ² (Parametric Research) Slenderness Ratio vs LOA Chart Figure 8 ² (Parametric Research) Draft vs LOA Chart Figure 9 ² (Parametric Research) Stearngear arrangement chart Figure 10 ² (Parametric Research) Engine Choice chart Figure 11 ² (Parametric Research) Case Study Vessel List

Figure 12 ² (Case studies) Wally Power 55

Figure 13 ² (Case studies) Van Dutch 55

Figure 14 ² (Case studies) Riva Rivale

Figure 15 ² (Case studies) Uniesse 57

Figure 16 ² (Case studies) Riviera 565 SUV

Figure 17 ² (Case studies) Hinkley Talaria 55

Figure 18 ² (Design) Target vs Achieved parameters

Figure 19 ² (Design) Profile Render

Figure 20 ² p.18 - (Design) Riva 52 Canopy photos Figure 21 ² p.18 -(Design) LITE illumination concept Figure 22 ² p.19 - (GA) Van Dutch 55 GA (render) Figure 23 ² p.19 ² (GA) IDA 55 Proposed GA (render) Figure 24 ² p.20 ² (GA) Initial GA specification Figure 25 ² p.20 ² (GA) Guest Room emergency exit Figure 26 ² p.21 ² (GA) Natural Light render

Figure 27 ² p.22 ² (GA) Cockpit Render

Figure 28 ² p.23 ² (GA) Aft Cockpit render

Figure 29 ² p.23 ² (GA) Engine Access System render

Figure 30 ² p.24 ² (GA) Dash Layout render

Figure 31 ² p.25 ² (Engineering) Weight and Balance conclusions Figure 32 ² p.26 ² (Engineering) Service Load and Full Load W&B Figure 33 ² p.29 ² (Engineering) Jet arrangement render Figure 34 ² p.29 ² (Engineering) Jet arrangement render 2 Figure 35 ² p.30 ² (Engineering) Engine conclusions Figure 36 ² p.31 ² (Engineering) HVAC unit diagram by Webasto Marine Figure 37 ² p.33 ² (Rules & Regulations) Stability input conditions Figure 38 ² p.33 ² (Rules & Regulations) GZ curves at loading conditions tested Figure 39 ² p.34 ² (Rules & Regulations) Testing criteria Figure 40 ² p.35 ² (Rules & Regulations) Crowding calculation Figure 41 ² p.35 ² (Rules & Regulations) Rolling in beam waves Figure 42 ² p.35 ² (Rules & Regulations) Resistance to Waves Figure 43 ² p.36 ² (Rules & Regulations) Hydromax criteria results Figure 44 ² p.40 ² (Production) Resin comparison 7

List of Drawings

Main Dimension DWG p.64

GA Plan view DWG P.65

GA Profile view DWG p.66

Structural Arrangement DWG p.67

Hot & Cold Water DWG p.68

Grey & Black Water DWG p.69

Fuel System DWG p.70

Lamination Details DWG p.71

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Nomenclature

A Area

AP Aft Perpendicular

BHP Break Horse Power

BOA Breadth Overall

BWL Breadth at the Waterline

CoG Centre of Gravity

Cp Prismatic Coefficient

Cv Speed Coefficient

D Drag

DWL Design Waterline

EHP Effective Horse Power

Fn Froude Number

FP Forward Perpendicular

g Gravity (9.81)

GM Metacentric Height

GSM Grams per Square Metre

KG Centre of Gravity above Baseline

Kts Knots (1kt = 0.5144 m/s)

Kw Kilo-Watt

L Lift

LCB Longitudinal Centre of Buoyancy

LCF Longitudinal Centre of Flotation

LCG Longitudinal Centre of Gravity

LH Length of Hull ISO8666

LOA Length Overall

LWL Length at the Water Line

MS Midship

OPC Overall Propulsive Coefficient

QPC Quasi Propulsive Coefficient

RCD Recreational Craft Directive

RHP Required Horsepower

T Hull Depth

St Station

Tc Canoe Body Draft

TPC Tonne per centimetre

V Speed (m/s or kts)

WL Water Line

WSA Wetted Surface Area

k Density (kg/m3) (SG)

Ũ Wetted Length/Wetted Beam

ş Deadrise angle

÷ Displacement (Tonnes)

CD Crew Density

BC Maximum Breadth of Crew Area

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Introduction

The main intention behind this project was to design and develop a 50 ² 60 foot Caribbean express cruiser by taking European styling and implementing it on a far more basic concept that could potentially compete as an alternative to traditional express/fishing vessels currently sold in the American/Caribbean markets. Traditional Caribbean express boats tend to be rugged, fairly low tech in construction methods and materials, which also makes them quite heavy. As a consequence they tend to also be much overpowered beamy vessels, capable of blue water cruising. Given tOMP POHVH YHVVHOV PHQG PR RSHUMPH LQ MUHMV ROHUH POHUH LVQ·P SURIHVVLRQMO· RRQHUV UMPOHU POMQ N\ M ŃUHR POH V\VPHPV MQG HTXLSPHQP on board tends to be basic but also extremely fail-proof. Mediterranean offshore cruising vessels on the other hand tend to be very fast, high-tech and more delicate machines. With a high emphasis on beauty and design they tend to incorporate sophisticated systems, materials and construction methods, which mean they are more maintenance prone. Most are also built as daily cruisers operated by a part-time crew rather than by their owners, a fact that is reflected in their layouts, systems arrangement and disposition. The idea behind this project therefore is to blend these two seemingly opposed worlds by taking the best elements from each and incorporating them into a package that could be easily adapted to the current market place.

Project Challenges

Hull Selection and Design: its hull will guide the vHVVHO·V RYHUMOO NHOMYLRXU MQG design. Selecting the appropriate hull from research and past designs was a key element in making the project a success. Structural Arrangement: Was an important aspect in saving weight and maximizing internal space as well as adding to the ruggedness, survivability and lifespan of the design. Systems: Large focus on systems, fail-proof and backup designs as well as incorporation of green technology when possible and economically viable.

Service accessibility will be prime concern.

Real-world relevance: The largest challenge in the exercise was undoubtedly maintaining the design parameters relevant to the target market. i.e. Making the project feasible from a geographic, demographic and economic perspective. 10

Design Brief

The target was to design a more modern multi use express cruiser that retained its rugged DNA but also incorporated 21st century technology without compromising usability. To this end the vessel was to be designed in compliance with international small craft directive (RCD) for boats of less than 24m and international standards (ISO). Areas of emphasis included material selection and weight reduction methods by comparing construction techniques. Internal structural arrangement also played an important role in maximizing interior space, flexibility and systems serviceability. Systems on board were designed to make the vessel reliable in a more hostile environment, while all possible attempts were made to make the vessel more modern and ´JUHHQquotesdbs_dbs46.pdfusesText_46

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