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    The SeaWeed Remotely Operated Vehicle

    Senior Design Project

    Submitted to:

    Dr. Stephen Wood, P.E.

    Professor of Ocean Engineering Design (OCE 4541)

    FLORIDA INSTITUTE OF TECHNOLOGY

    Melbourne, FL

    Submitted By:

    Nick Abruzzini

    Janelle Boisvert

    Katie Dobek

    Anthony Tedeschi

    July 25, 2007

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    TRANSMITTAL______________________________________________

    Florida Institute of Technology

    Department of Marine and Environmental Systems

    OCE 4541

    TO:

    Dr. Stephen Wood, P.E. Dept. of Marine and Environmental Systems Florida Institute of Technology 150 W. University Blvd. Melbourne, FL 32901

    FROM:

    The SeaWeed ROV Team

    Nick Abruzzini, Janelle Boisvert, Katie Dobek, Anthony Tedeschi

    Department of Marine and Environmental Systames

    Florida Institute of Technology

    150 W. University Blvd.

    Melbourne, FL 32901

    RE: SeaWeed Remotely Operated Vehicle Senior Design Project

    DATE SUBMITTED: July 25, 2007

    Dr. Stephen Wood, P.E.:

    Please review the attached final report for the SeaWeed ROV Senior Design Project. All

    research and calculations completed over the course of this project are included. This

    report has been prepared independently and to the best of the teams ability. Please

    contact us at SeaWeedROV@gmail.com if you have any further questions. Thank you.

    The SeaWeed ROV Team

    Nick Abruzzini _____________________

    Janelle Boisvert _____________________

    Katie Dobek _____________________

    Anthony Tedeschi _____________________

    mailto:SeaWeedROV@gmail.com

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    Final Report

    Senior Design Project

    Nicholas Abruzzini

    Janelle Boisvert

    Katherine Dobek

    Anthony Tedeschi

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    Executive Summary:

    Remotely operated vehicles have become an essential tool in the oceanographic,

    offshore and shipping industries. SeaWeed will be an observational ROV designed for

    visual inspection, research and minimal data collection. Taking inspiration from several

    small-class observational ROVs as well as two previous Florida Tech Senior Design

    Projects (Hornet I and Hornet II) we plan to design and build a base ROV that can

    operate as is but has much room for improvement and additions that future students can

    work towards. SeaWeed will feature an instrument package that includes depth and

    temperature sensors and a compass. It will also have a color camera to capture video that

    will be displayed on a monitor mounted in the topside control box. We hope that this

    ROV will prove that a low-cost ROVs can be as effectively used in the shipping and

    offshore industries as its higher-cost competitors.

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    Acknowledgements:

    We would like to thank the following people and companies for their help and support of

    our Seaweed ROV, without their time and efforts our project would not have been a

    success:

    Dr. Wood, Florida Institute of Technology

    Larry Buist, Florida Institute of Technology

    Dr. Swain, Florida Institute of Technology

    Maila Sepri, Florida Institute of Technology

    Thomas Dobek, Repair Industries of Michigan

    Ben Klose, Repair Industries of Michigan

    Joe Knoth, Alliance Tool and Machine, Co.

    Bill Jorgensen, Bluewater Fabricators

    Mainstreet Pub

    Jason Sperry, Easylift Gas Springs

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    Table of Contents:

    1. Introduction ............................................................................................................... 6

    1.1 Overview ............................................................................................................. 6

    1.2 Objectives ........................................................................................................... 7

    1.3 Organization ........................................................................................................ 7

    2. Background ............................................................................................................... 8

    2.1 Florida Tech ROV History.................................................................................. 8

    2.2 Competitors ......................................................................................................... 9

    3. Technology ............................................................................................................... 11

    3.1 History............................................................................................................... 11

    4. Materials and Parts................................................................................................. 12

    4.1 Parts List ........................................................................................................... 12

    4.2 Parts and Materials Description ........................................................................ 13

    4.2.1 Frame and Housing .................................................................................. 13

    4.2.2 Pressure Sensor ........................................................................................ 18

    4.2.3 Monitor ..................................................................................................... 18

    4.2.4 Light .......................................................................................................... 18

    4.2.5 Propulsion ................................................................................................. 19

    4.2.6 Kort Nozzle................................................................................................ 21

    4.2.7 DC-DC Converter ..................................................................................... 22

    4.2.8 AC-DC Front End ..................................................................................... 23

    4.2.9 Video Camera MB-1050C model ............................................................ 23

    4.2.10 Video Overlay ........................................................................................... 24

    4.2.11 Pelican Box ............................................................................................... 24

    4.2.12 Tether ........................................................................................................ 25

    4.2.13 Joystick ...................................................................................................... 26

    5. Procedures ............................................................................................................... 27

    5.1 Preliminary Design ........................................................................................... 27

    5.1.1 Design Considerations .............................................................................. 27

    5.1.2 Final Design Decisions ............................................................................. 29

    5.2 Housing Design and Manufacturing ................................................................. 29

    5.2.1 Housing Dimensions ................................................................................. 29

    5.2.2 Housing Materials .................................................................................... 29

    5.2.3 Housing Design ......................................................................................... 30

    5.2.3.1 Outer Housing ....................................................................................... 31

    5.2.3.2 Internal Systems Mount ........................................................................ 31

    5.2.4 Housing Manufacturing ............................................................................ 32

    5.3 Frame Design and Manufacturing .................................................................... 32

    5.3.1 Frame Dimensions .................................................................................... 32

    5.3.2 Frame Materials ....................................................................................... 32

    5.3.3 Frame Design............................................................................................ 32

    *Note: CAD Drawings can be found in Appendix C .............................................. 32

    5.3.3.1 Outer Frame .............................................................................................. 33

    5.3.3.2 Motor Mounts ....................................................................................... 33

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    5.3.3.3 Lighting Mount ..................................................................................... 34

    5.3.4 Frame Manufacturing ............................................................................... 35

    5.4 Internal Systems ................................................................................................ 35

    5.4.1 Introduction............................................................................................... 35

    5.4.1.1 Compass .................................................................................................... 36

    5.4.1.2 Pressure Sensor ........................................................................................ 36

    5.4.1.3 Video and Data Transmission ................................................................... 37

    5.5 Steering and Propulsion ...........................................................................

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