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TEAM 6: JAWSS A Design Project Presentation

JAWSS. TEAM 6: JAWSS A Design Project Presentation. Team 6 members: Louise McGowan Ken Millard Daniel Rice Kevin Pearce. “JAWSS HAS BITE”. Joint-service Active Watch Surveillance Submersible. OVERVIEW. What is JAWSS? Features of the Design Testing, Trials & Tribulations

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TEAM 6: JAWSS A Design Project Presentation

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  1. JAWSS TEAM 6: JAWSSA Design Project Presentation Team 6 members: • Louise McGowan • Ken Millard • Daniel Rice • Kevin Pearce “JAWSS HAS BITE” Joint-service Active Watch Surveillance Submersible

  2. OVERVIEW • What is JAWSS? • Features of the Design • Testing, Trials & Tribulations • Future Improvements • Budget • Closing Remarks • Questions

  3. What is JAWSS?

  4. Current Sub JAWSS 2: • Highly Visible Hull • Sturdy Aluminum Frame • Remote Operation • Colour Video • Four Thrusters • Water Resistant

  5. Comparison to Objectives

  6. Tow Tank Tests • Water Integrity • Buoyancy • Drag • More Water Integrity • Camera • Maneuverability • Inspection

  7. Tow Tank Results - Good • Found True Drag • Verified Required Ballast • Controls and Camera Work • Passed Inspection • Leak Light Works!

  8. Tow Tank Results - Bad • Gaskets • Thrusters • End Cap Seal • Tether Connectors • Dome!

  9. Tow Tank Solutions • Modified Horizontal Thrusters • Sealed End Cap and Thrusters • Achieved Desired Buoyancy • New Tether Connectors • Replaced Dome – New Seal

  10. HMCS ATHABASKAN Test

  11. HMCS ATHABASKAN Results - Good • Proved Test Depth of 10 ft • Conducted Hull Inspection • All Warning Lights Work • Confirmed Visibility in Harbour Water

  12. HMCS ATHABASKAN Results - Bad • 19ft failure (2 x design) • Water on the inside • Team 6 mourns their loss

  13. HMCS ATHABASKAN Solutions JAWSS 2: • Externally Mounted Thrusters • Epoxyed Previous Mounting Holes • Cleaned Electronics

  14. DalPlex Test

  15. DalPlex Results - Good • It’s Alive!!! • Proved Concept • Ease of Use • Maneuverability Tests • Speed Tests

  16. DalPlex Results - Bad • Still Small Leak – Bad Data Plug • Thrusters Not Enclosed • Tether Impedes Motion

  17. Lessons Learned • DOME: Machining acrylic creates micro-fractures  purchase a dome that requires no machining/modification. • PACKAGING: Some packaging does not clearly indicated all properties of a marine sealant  find larger contained and read all warnings. http://www.sikaindustry.com/

  18. Lessons Learned • SHIPPING: Just because you pay for overnight delivery does not mean you’ll get overnight delivery  Use pack mules. • SEALS: Using machine bolts in PVC does not allow enough force to compress gasket  Use alternative seals http://www.exzooberance.com/

  19. Next generation electronics External thrusters Improved seals Hull clamped to frame Neutrally buoyant tether Bigger motors If We Had to Do It Again…

  20. BUDGET

  21. BUDGET

  22. The Last Word • Many setbacks • Learned a lot • Low cost submersible achieved • Use O-rings to seal data plug leakage • It’s never too late to try again: • JAWSS 1 = 6 months • JAWSS 2 = 36 hrs

  23. BIG THANKS TO ALL Alberta Printed Circuits • Sponsors: DRDC Atlantic Delphinus Marine Technologies Ancaster, ON, Canada HMCS ATHABASKAN

  24. BIG THANKS TO ALL • Techs: • Angus Macpherson, • Greg Jollimore, • Albert Murphy • Profs: • Anastasis Vyron Georgiades • Mae Seto • Ted Hubbard • Others: • Winston Churchill: “Never, never, never, never give up. ”

  25. ¿Questions ? JAWSS 3 Shark Fishing

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