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Maroon Harpoon Texas A&M University Ocean Engineering Department TAMU Human Powered Submarine 20091
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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 20092
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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 20093
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Design Philosophy TAMU Human Powered Submarine 20094 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
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Design and Fabrication Hull Fabrication Propulsion System Instruments Control System TAMU Human Powered Submarine 20095 Restraint System Life Support Systems Safety Features
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Hull Fabrication Lathing Male plug Foam block – 50” x 30” x 120” – 4 lb/ft 3 Custom built lathe TAMU Human Powered Submarine 20096
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Hull Fabrication Fiberglass Layup TAMU Human Powered Submarine 20097 Sandwich construction – 3 layers Kevlar with Epoxy Resin – Closed cell syntactic foam – 2 layers Kevlar with Epoxy Resin
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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 20098
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Propulsion Drive Train TAMU Human Powered Submarine 2009 9 Cyclical gear box – 3:1 and 4:1 ratios Direct drive Brand new drive shaft
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Propulsion Rear Bearing Secured by tightening against hull 2 glass bearings – No corrosion – No grease required TAMU Human Powered Submarine 200910
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Propulsion Propeller Hub TAMU Human Powered Submarine 200911 Nylon Knob Propeller Attachments Follower Worm Gear Shaft Angled Grooves
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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 200912
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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 200913
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Control System 3 Degrees of control – Pitch – Yaw – Roll Steering column Control mechanism 4 control surfaces TAMU Human Powered Submarine 200914
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Pilot Restraint System Shoulder Restraint – 3 degrees adjustable Lap Belt TAMU Human Powered Submarine 200915
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Pilot Life Support System 60 ft 3 SCUBA Tank 8 ft 3 Spare Air TAMU Human Powered Submarine 200916
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Safety Features Submarine Safety Markings – Hatches – Control Surfaces – Control Surface Guard – Propeller Strobe Light Emergency Buoy TAMU Human Powered Submarine 200917
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Safety Features Strobe and Emergency Buoy Strobe Light – Visible 360° Emergency Buoy – Alerts crew to injured pilot TAMU Human Powered Submarine 200918
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Testing Offshore Technology Research Center (OTRC) Located in Research Park on Texas A&M Campus TAMU Human Powered Submarine 200919
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Training Pilot training – Emergency Egress Assisted Unassisted – Piloting Crew training – Pilot Rescue Unconscious Conscious – Launch – Recovery TAMU Human Powered Submarine 200920
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Budget Cash Donations = $8000 In kind donations ~$30,000 – Kevlar – Resin & Hardener – Nose cone – Driveshaft, Propeller hub, Bearing TAMU Human Powered Submarine 200921
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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 200922
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