human powered submarine 2009. outline for presentation hull controls propulsion safety questions
TRANSCRIPT
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.