Human Powered Submarine 2009

Outline for Presentation Hull Controls Propulsion Safety Questions

Modeling the hull Solidworks 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

Fiberglass Structural 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 Surfaces Wood coated with fiberglass and paint Internal aluminum flat bar Aluminum cylinder connects opposing control surfaces 2 bow planes for pitch control 4 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

Autopilot Input: Depth (pressure) Output: Control Surface Angle

Waterproofing Joystick Battery and processor Servo motors

Propulsion System Hobi manufactured hydrofoil drive Two sets connected together 4 fins: Each >180⁰ rotation Removable Clip-in pedals Harness Rear Mountin g Bracket Front Moun ting Brack et Threa ded Conne cting Rods Rear Bracket Slides for Remov al Front Tab Built into Hull Core Rear Tabs Built into Hull Core

Safety Two pony air tanks Safety Buoy Emergency Egress Strobe Light Release Mechanism

Thank you from the University of Maine Please feel free to ask any questions Special thanks to Hobi Laboratories, Carderock Naval Base, the ISR staff and volunteers, and the faculty and staff of the UMO Mechanical Engineering Department.