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Maroon Harpoon

Maroon Harpoon. Texas A&M University Ocean Engineering Department. Crew Members. Alyssa Baker Duncan Brotzman Chris Dearing Sean Finn Casey Hodges (Team Leader) Alex Knoll James Lightfoot. Abel Melledin David Neat Jeff Phillips Chris Ryan Robert Sanchez

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Maroon Harpoon

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  1. Maroon Harpoon Texas A&M University Ocean Engineering Department TAMU Human Powered Submarine 2009

  2. Crew Members • Alyssa Baker • Duncan Brotzman • Chris Dearing • Sean Finn • Casey Hodges (Team Leader) • Alex Knoll • James Lightfoot • Abel Melledin • David Neat • Jeff Phillips • Chris Ryan • Robert Sanchez • Sarah Schlosser (Team Leader) • Cynthia Vittone Faculty Advisor: Dr. Robert E. Randall TAMU Human Powered Submarine 2009

  3. Overview & Goals • Design Speed – 7 knots • Achieved 5.022 knots at ISR 9 • Goal for ISR 10 – 6 knots • Improve drive train and propulsion system • Add instruments to gather shaft RPM and torque data • Develop team and leadership skills TAMU Human Powered Submarine 2009

  4. Design Philosophy • Achieve higher speeds than any TAMU submarine team in the past • Reduce drag yet still accommodate a pilot of up to 5’ 10” • Gain valuable team building experience • Have fun at ISR 10 TAMU Human Powered Submarine 2009

  5. Design and Fabrication • Restraint System • Life Support Systems • Safety Features • Hull Fabrication • Propulsion System • Instruments • Control System TAMU Human Powered Submarine 2009

  6. Hull Fabrication Lathing • Male plug • Foam block • 50” x 30” x 120” • 4 lb/ft3 • Custom built lathe TAMU Human Powered Submarine 2009

  7. Hull Fabrication Fiberglass Layup • Sandwich construction • 3 layers Kevlar with Epoxy Resin • Closed cell syntactic foam • 2 layers Kevlar with Epoxy Resin TAMU Human Powered Submarine 2009

  8. Hull Fabrication Fiberglass Layup • Vacuum bag technique • Wrap plug with release material • 2 layers cure • Syntactic foam • Apply filler • Apply 3 layers TAMU Human Powered Submarine 2009

  9. Propulsion Drive Train • Cyclical gear box • 3:1 and 4:1 ratios • Direct drive • Brand new drive shaft TAMU Human Powered Submarine 2009

  10. Propulsion Rear Bearing • Secured by tightening against hull • 2 glass bearings • No corrosion • No grease required TAMU Human Powered Submarine 2009

  11. Propulsion Propeller Hub Angled Grooves Propeller Attachments Shaft Nylon Knob Worm Gear Follower TAMU Human Powered Submarine 2009

  12. Propulsion Propeller • Twin knife blade propeller • 2 sets of carbon fiber propellers • 12” • 10.75” • 1 set of stainless steel propellers • 9.5” TAMU Human Powered Submarine 2009

  13. Instruments • Measure torque • Torque sensor • Measure RPM • Accelerometer • Hall effect sensor • Electronics Housing • Houses circuit board • Hall effect sensor • Accelerometer • Data stored on SD card TAMU Human Powered Submarine 2009

  14. Control System • 3 Degrees of control • Pitch • Yaw • Roll • Steering column • Control mechanism • 4 control surfaces TAMU Human Powered Submarine 2009

  15. Pilot Restraint System • Shoulder Restraint • 3 degrees adjustable • Lap Belt TAMU Human Powered Submarine 2009

  16. Pilot Life Support System • 60 ft3 SCUBA Tank • 8 ft3 Spare Air TAMU Human Powered Submarine 2009

  17. Safety Features • Submarine Safety Markings • Hatches • Control Surfaces • Control Surface Guard • Propeller • Strobe Light • Emergency Buoy TAMU Human Powered Submarine 2009

  18. Safety Features Strobe and Emergency Buoy • Strobe Light • Visible 360° • Emergency Buoy • Alerts crew to injured pilot TAMU Human Powered Submarine 2009

  19. Testing Offshore Technology Research Center (OTRC) Located in Research Park on Texas A&M Campus TAMU Human Powered Submarine 2009

  20. Training • Pilot training • Emergency Egress • Assisted • Unassisted • Piloting • Crew training • Pilot Rescue • Unconscious • Conscious • Launch • Recovery TAMU Human Powered Submarine 2009

  21. Budget • Cash Donations = $8000 • In kind donations ~$30,000 • Kevlar • Resin & Hardener • Nose cone • Driveshaft, Propeller hub, Bearing TAMU Human Powered Submarine 2009

  22. Sponsorship • Oceaneering Intervention Engineering • Offshore Technology Research Center (OTRC) • Ocean Engineering Division • Zachry Department of Civil Engineering • Paradise Scuba • MTS (Houston Section) • SNAME (Texas Section) • Diab Group • DUNA USA Inc. • Trepan Tools • Texstars Inc. • Baumann Propellers • Penske • Montgomery Monograms TAMU Human Powered Submarine 2009

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