TEAM 6: JAWSS TEAM 6: JAWSS A Design Project Presentation Team 6 members: Louise McGowan Ken Millard...
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Transcript of TEAM 6: JAWSS TEAM 6: JAWSS A Design Project Presentation Team 6 members: Louise McGowan Ken Millard...
![Page 1: TEAM 6: JAWSS TEAM 6: JAWSS A Design Project Presentation Team 6 members: Louise McGowan Ken Millard Daniel Rice Kevin Pearce Joint-service Active Watch.](https://reader037.fdocuments.in/reader037/viewer/2022110210/56649e675503460f94b62cf9/html5/thumbnails/1.jpg)
TEAM 6: JAWSSTEAM 6: JAWSSA Design Project Presentation
Team 6 members:
Louise McGowan
Ken Millard
Daniel Rice
Kevin PearceJoint-service Active Watch Joint-service Active Watch Surveillance SubmersibleSurveillance Submersible
“JAWSS HAS BITE”
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OVERVIEWOVERVIEW
• What is JAWSS?• Features of the Design• Testing, Trials & Tribulations• Future Improvements • Budget• Closing Remarks• Questions
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What is JAWSS?What is JAWSS?
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Current SubCurrent SubJAWSS 2:• Highly Visible Hull• Sturdy Aluminum
Frame• Remote Operation• Colour Video• Four Thrusters• Water Resistant
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Comparison to ObjectivesComparison to Objectives
CRITERIA DESIRED ACHEIVEDHorizontal Speed 1 knot ~0.3 knot
Vertical Speed 0.1 knot ~0.16 knot
Turning Radius 3ft 3ft
DOF 3 4
Depth 10ft 19ft
Weight 30 lbs 13.8 lbs
Visibility 2ft >5ft
Water Integrity Yes ~Yes
Stability Yes Yes
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Tow Tank TestsTow Tank Tests
• Water Integrity• Buoyancy • Drag• More Water Integrity• Camera• Maneuverability • Inspection
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Tow Tank Results - GoodTow Tank Results - Good
• Found True Drag
• Verified Required Ballast
• Controls and Camera Work
• Passed Inspection
• Leak Light Works!
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Tow Tank Results - BadTow Tank Results - Bad
• Gaskets
• Thrusters
• End Cap Seal
• Tether Connectors
• Dome!
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Tow Tank SolutionsTow Tank Solutions
• Modified Horizontal Thrusters
• Sealed End Cap and Thrusters
• Achieved Desired Buoyancy
• New Tether Connectors
• Replaced Dome – New Seal
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HMCS ATHABASKAN TestHMCS ATHABASKAN Test
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HMCS ATHABASKAN Results - GoodHMCS ATHABASKAN Results - Good
• Proved Test Depth of 10 ft
• Conducted Hull Inspection
• All Warning Lights Work
• Confirmed Visibility in Harbour Water
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HMCS ATHABASKAN Results - BadHMCS ATHABASKAN Results - Bad
• 19ft failure (2 x design)
• Water on the inside
• Team 6 mourns their loss
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HMCS ATHABASKAN HMCS ATHABASKAN SolutionsSolutions
JAWSS 2:
• Externally Mounted Thrusters
• Epoxyed Previous Mounting Holes
• Cleaned Electronics
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DalPlex TestDalPlex Test
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DalPlex Results - GoodDalPlex Results - Good
• It’s Alive!!!• Proved Concept• Ease of Use• Maneuverability Tests• Speed Tests
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DalPlex Results - BadDalPlex Results - Bad
• Still Small Leak – Bad Data Plug
• Thrusters Not Enclosed
• Tether Impedes Motion
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Lessons LearnedLessons 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/
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Lessons LearnedLessons 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/
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If We Had to Do It Again…If We Had to Do It Again…
• Next generation electronics
• External thrusters
• Improved seals
• Hull clamped to frame
• Neutrally buoyant tether
• Bigger motors
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BUDGETBUDGETTOTAL COST
Action Total
Main Hull Construction 228.65
Thrust Unit Construction (4) 270.00
Controls & Imaging System Construction 660.00
Circuit Boards 300.00
Power and Tether Construction 150.00
Protective Cage Construction 165.39
Power and Tether Construction 150.00
Connectors, Fittings, Wire 185.00
Excess Material Purchase 250.00
Additional Supplies 150.00
Admin/Logistics Costs 100.00
2609.04
Tax 443.54
TOTAL 3052.58
TOTAL RECOVERY
Action Total
Financial Donation (Dalhousie) 400.00
Borrowed Equipment 175.00
DIGI-Key Donation 500.00
AP Circuits Donation 300.00
Member Contributions 1677.58
TOTAL 3052.58
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BUDGETBUDGETTOTAL COST
Action Total
Main Hull Construction 138.65
Thrust Unit Construction (4) 108.99
Controls & Imaging System Construction 660.00
Circuit Boards 300.00
Power and Tether Construction 125.99
Protective Cage Construction 165.39
1499.02
Tax 254.83
TOTAL 1753.85
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The Last WordThe 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 monthsJAWSS 2 = 36 hrs
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BIG THANKS TO ALLBIG THANKS TO ALL Sponsors: Alberta Alberta
Printed Printed CircuitsCircuits
Delphinus Marine TechnologiesDelphinus Marine TechnologiesAncaster, ON, CanadaAncaster, ON, Canada
DRDC AtlanticDRDC Atlantic
HMCS ATHABASKANHMCS ATHABASKAN
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BIG THANKS TO ALLBIG 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. ”
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¿Questions ?¿Questions ?
JAWSS 3
Shark Fishing
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