Human Powered Submarine 2009

Outline for PresentationHull

Controls

Propulsion

Safety

Questions

Modeling the hullSolidworks Model

Diameter designed to fit broadest shoulders of group members and allow full stroke of legs

Length designed for tallest group member with space for propulsion and control systems in stern

Foam Slug

Circular foam disks assembled according to model specifications

Then shaved smooth

FiberglassStructural styrofoam sandwiched between vacuum sealed layers of fiberglass

Hatches and Windows

Window made of two part epoxy called liquid glass

Foam plug dissolved with acetone leaving shell of submarine

Sand, Paint, Decals

Control SurfacesWood coated with fiberglass and paintInternal aluminum flat barAluminum cylinder connects opposing control

surfaces 2 bow planes for pitch control4 aft planes for pitch and yaw

Manual Control System

Yolk for pitch

Wheel and cables for yaw control

Joystick Control

Electronic joystick in waterproof box with magnets inside and outside

AutopilotInput: Depth (pressure)

Output: Control Surface Angle

WaterproofingJoystick

Battery and processor

Servo motors

Propulsion SystemHobi manufactured hydrofoil driveTwo sets connected together4 fins: Each >180⁰ rotationRemovableClip-in pedalsHarness

Rear Mounting BracketFront

Mounting Bracket

Threaded Connecting Rods

Rear Bracket Slides for Removal

Front Tab Built into Hull Core

Rear Tabs Built into Hull Core

SafetyTwo pony air tanks

Safety Buoy

Emergency Egress

Strobe Light

Release Mechanism

Thank you from the University of Maine

Please feel free to ask any questionsSpecial thanks to Hobi Laboratories,

Carderock Naval Base, the ISR staff and volunteers, and the faculty and staff of the UMO Mechanical Engineering Department.