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Brief history Archimede VI Past events Budget 2012 - 2013 Team members & competition crews Design

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Presentation overview. Brief history Archimede VI Past events Budget 2012 - 2013 Team members & competition crews Design Hydrodynamic Fins Mechanical Conclusion & Questions. International Submarine Races # 12 – Team Archimede. 2/20. Brief history. Founded in 2001

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Presentation Transcript
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Presentation overview
  • Brief history
  • Archimede VI
  • Past events
  • Budget 2012 - 2013
  • Team members & competition crews
  • Design
    • Hydrodynamic
    • Fins
    • Mechanical
  • Conclusion & Questions

International Submarine Races # 12 – Team Archimede

2/20

slide3
Brief history
  • Founded in 2001
    • Category Events Max speed
  • Archimede I 2 people prop HPS 2002 2.9 knots
  • Archimede II 2 people prop ISR 2003, HPS 2004 n/a
  • Archimede III 2 people prop ISR 2005 5.225 knots
  • Archimede IV 1 person prop HPS 2006, ISR 2007, 2009 6.473 knots
  • Archimede V 1 person prop ISR 2011, EISR 2012 6.298 knots
  • Archimede VI 1 person prop ISR 2013 ? ? ?

International Submarine Races # 12 – Team Archimede

3/20

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Archimede VI (1/3)

International Submarine Races # 12 – Team Archimede

4/20

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Archimede VI (2/3)
  • Main innovations
    • New infusion-composite hull
      • Smaller, less surface/friction drags, faster
    • Polycarbonate window
    • Polyurethane fins by liquid plastic molding
    • Sonar
    • Higher construction efficiency
      • Low cost processes
      • Investments in tools
  • Looking for speed !

International Submarine Races # 12 – Team Archimede

5/20

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Archimede VI (3/3)

International Submarine Races # 12 – Team Archimede

6/20

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Past events
  • 2 co-events VP
  • Communication
    • New & updated website (www.polyarchimede.com)
    • Use of social media (facebook)
  • Past events since ISR 2011
    • Montreal Polytechniquevisibility and recruiting activities
    • Montreal Eureka 2012 & 2013 science festival
    • Montreal Classic Boat Festival
    • 2012 European International Submarine Races in Gosport, UK(with Archimede V)

International Submarine Races # 12 – Team Archimede

7/20

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Budget 2012 - 2013
  • Total budget : $ 16,000
  • Travelling expenses : $ 6,000
  • Scuba diving equipment : $ 5,000
  • Power tools : $ 2,000
  • Submarine materials : $ 3,000

International Submarine Races # 12 – Team Archimede

8/20

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Team members & competition crews
  • Archimede members
  • Competition crews
    • Dry crew
      • Preparation
      • Divers assistance
      • Reparations
      • Sub towing
    • Wet crew
      • Dive leader
      • Pilot
      • “Balancers”
      • Communication with dive & race supervisors

International Submarine Races # 12 – Team Archimede

9/20

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Design – Hydrodynamic (1/3)
  • Hull - Hydrodynamic design
    • Optimisation from Archimede V
      • Based on NACA profile
      • Enough volume for systems
      • Minimum frontal and hull areas
    • Smaller cross section
    • Reduced chord line by accentuating theprofile curvature after transmission
    • Successive Ansys Fluent analysis
                  • Propeller, shroud andpre-swirl stators
                  • Same from Archimede V
                  • Better fixation to hullfor changes & repairs

International Submarine Races # 12 – Team Archimede

10/20

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Design – Hydrodynamic (2/3)
  • Hull – Sandwich composite construction
  • Wax finish
  • 2 x paint
  • 2 x primer
  • Putty surface corrections
            • 1 mat fiberglass fabric
            • 1 bidirectional fiberglass fabric
            • 1 mat fiberglass fabric
  • Corecell with epoxy resin, light weighted
    • 2 coats of mat fiberglass fabric
    • Epoxy resin paste with glass microspheres
    • 2 x primer

OUTSIDE LAYERS

INSIDE LAYERS

International Submarine Races # 12 – Team Archimede

11/20

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Design – Hydrodynamic (3/3)
  • Hull – Composition
    • Sandwich composite : increased bending strength
    • Corecell A-foam (closed-cell nautical foam) for buoyancy
    • Additional materials to the hull
      • Polycarbonate for the window
      • Plastic, steel and polyurethane for the fins
      • Steel, corecell and epoxy fitting for the rear shaft
      • Polycarbonate “pucks” for crewing fixation
  • Hull – fabrication
    • Counter-mold (plug)
    • Mold
    • 2 x infusion hull halves with vacuum
    • Assembly of the halves with 2 additional vacuum infusions

International Submarine Races # 12 – Team Archimede

12/20

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Design – Fins (1/2)
  • Fins – design
    • Removable 2 sets of fins
      • A – Control designed
      • B – Speed designed

International Submarine Races # 12 – Team Archimede

13/20

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Design – Fins (2/2)
  • Fins – fabrication
    • Model -> Silicone rubber mold -> Polyurethane parts
    • Stronger top fin vs 3 other fins (less fragile)
    • 2-3 hours to get a new fin from scratch !
    • Huge advantages over “traditional” composite fins
      • Faster
      • Cheaper
      • Higher surface quality

International Submarine Races # 12 – Team Archimede

14/20

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Design – Mechanical (1/2)
  • Direction
    • One hand pilot control
    • Bike cables tightly linked to the fins
      • Better precision
      • Remember Archimede 5… loosely cables on big pulleys !
  • Referencing system – during construction
    • Laser
    • Precise positions of inner systems
  • Referencing system – in competition
    • Visual control through 360 window
    • Sonar aid

International Submarine Races # 12 – Team Archimede

15/20

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Design – Mechanical (2/2)
  • Drivetrain
    • Removable cassette
    • New cassette holder
    • New first stage shaft
    • Same ratio as Archimede V
                  • Pop-up buoy and propeller nozzle

International Submarine Races # 12 – Team Archimede

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slide17
Design – Mechanical (2/2)

International Submarine Races # 12 – Team Archimede

17/20

slide18
Conclusion
  • Sorry for the presentationdelay yesterday…

We had some issues:

  • Pilot not coming due to medical surgery
  • Dive master burn out
  • VP-logistic cancelled 10 min before departure
  • 2 other members cancellation in the past two weeks
  • And last but not least…
  • Team leader in civil engineering!

International Submarine Races # 12 – Team Archimede

18/20

slide19
Conclusion
  • So…

We continued our work on evenings at the hotel

in order to finish the submarine !

International Submarine Races # 12 – Team Archimede

19/20

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