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RiverShark

RiverShark. HSRW Submarine-Team, Germany 2013. RiverShark. The Hull The Concept The Fins The Drive The Arms The Scale The Motion The Improvement The Pitch Limiter. The Springs The Idea Safety Features Problems . . . Failed Designs Thank You ISR. The Hull. The Concept. The Fins.

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RiverShark

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  1. RiverShark HSRW Submarine-Team, Germany 2013

  2. RiverShark • The Hull • The Concept • The Fins • The Drive • The Arms • The Scale • The Motion • The Improvement • The Pitch Limiter • The Springs • The Idea • Safety Features • Problems . . . • Failed Designs • Thank You ISR

  3. The Hull

  4. The Concept

  5. The Fins

  6. BiomimeticFins • inspired by sailfish • chord 20 cm / 160 cm span -> 1:8 aspect ratio • max. thickness 25 mm

  7. BiomimeticFins wing profile • NACA 0020 airfoil • angle of attack 15°-25° • lift coefficient 1.89 -3.08

  8. BiomimeticFins fin material • glass fiber reinforced polyurethane foam(Coosa nautical 20 / COOSA Composites LLC) • high strength to weight ratio • 45% lighter than plywood • density of 320 kg/m3

  9. BiomimeticFins • fin material cut by CNC • fiberglass sheet in midsection as frame

  10. The Drive

  11. The Arms

  12. The Scale

  13. The Motion

  14. The Improvment

  15. The Pitch Limiter

  16. The Springs

  17. The Idea

  18. Safety Features • Floating hatch - Diver • Breakable hatch - Shoes • Easy access windows • Non-jamming buoy • Emergency Air

  19. Problems . . . • Lower Fin Trolley • Wobbling Mechanism • Front End Buoyancy • Sharp Fin Tips • Buoy Relocation

  20. Failed Designs

  21. Thank You ISR

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