1. HSRW Submarine-Team, Germany 2013

2.  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

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

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

8. 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/m 3

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

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

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