June, 2013

Sultanah IISultan Qaboos University

Muscat, Sultanate of Oman

Outline•Introduction

- Team List•Hull • Steering System• Propulsion System

- Gearbox- Propeller

- Shaft

• Monitoring System• Testing

The Team

Members•Eyad Al Belushi•Hamza Al Mahruqi•Mohammed Al Mahrouqi•Nawaf Al Belushi•Rashid Al Shabibi•Said Al Jabri•Salim Al MamariSupervisors•Dr. Jamil Abdo•Dr. Nasser Al Azri 

NamingNamed after the first Omani ship Sultanah that visited the United States in 1840 during the reign of Sayyid Said bin Sultan.

Sultana I

11 Participated in ISRProblems•Weight: 250 Ib•Steering: high friction •Shape•Gearbox: high Gear Ratio

Hull

Consists of three

layers:1. Fiber glass

2. Carbon fiber

3. Plastic fiber resin

Hull weight: 60 Ib

Hull

Seat

Design Constrains• Easily operated• Light weight• Low friction

Steering System (Cont’d)Final Design• Fully mechanical steering system

• Two Push/Pull cables

• Two control joysticks

• Two levers fixed with the fins

Propulsion System

Propulsion System (Cont’d)Gearbox

Option IIOption I

• 1:4.5 gear ratio• Using Chain.

• 1:3 gear ratio• Direct connection

Propulsion System (Cont’d)

PropellerSoftware used: Java Prop

Propulsion System (Cont’d)

Propeller manufacturing• 4 axis CNC machine

Shaft designAutodesk Inventor SoftwareDiameter: 25 mmApplied Torque: 30 N.mSafety Factor: 7

Propulsion System (Cont’d)

Monitoring System

Mathematical Analysis

Monitoring System (Cont’d)

Circuit

Monitoring System (Cont’d)

Sensors positions

Monitoring System (Cont’d)

Challenges•Finding waterproof sensors•Casing the circuit and its connections•Visibility of LCD screen underwater

Testing•Open water diving license •Swimming pool

SQU sports hall- depth: 2 m- length: 50 m

Royal Gurd Omantechnical collage- depth: 4 m- length: 25 m

QUESTIONS ?

IntroductionTwo teams worked on Sultana II1st team (6 Students)• Hull design• General setup

2nd team (7 Students)Detailed design• Assembly• Testing• Participating on International Submarine Race, June

2013