University of Bath - Sulis

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University of Bath - Sulis
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Introduction

• Design Concept
• Hull
• Transmission
• Propulsion Propeller
• Propulsion Non Propeller
• Safety
• Control
• Ergonomics
• Buoyancy

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Design Concept
Dual propulsion Evolution from
Seabomb Advantages Reduced friction Improved
visibility Stroke length increased Reduced
inertial losses Disadvantages Increased
complexity Increased cost
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Hull
Revolved NACA 0012
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Transmission

• Dual output
• Double scotch yoke

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Propulsion - Propeller
Design point of 5.0knts Speed estimated with
different propellers Probable 4.5knts maximum
speed Final propeller provided by Duncan
Propellers Ltd.
Picture of propeller
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Propulsion Non Propeller
Variable passive pitch limiter Vary fin
flexibility Vary aspect ratio
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Safety
Escape hatch
Strobe
Antibiomimetic colour scheme
Safety buoy
Viewports
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Control
Foreplanes evolution from Seabomb
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Ergonomics
Test rig CAD model
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Buoyancy
Removal of variable buoyancy Closed cell high
density styrofoam
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Questions
Thanks very much for listening, any questions?