Vehicle Specifications

Aircraft:

  • Modified from record setting Gamera IID Human Powered Helicopter
  • Weight: 226 lbs (132 lbs vehicle + 94 lbs pilot)
  • Largest dimension: 116.5 ft (diagonal blade tip to blade tip)
  • Footprint: 100 ft. x 100 ft

Solar Power System:

  • Direct solar power, no batteries
  • 12 Solar panels, 3 per arm, wired into pairs of 6 panels
  • Power: ≈ 1200 Watts (1.6 horsepower)
  • Voltage: 21.5-22.5 V open circuit -> 16 volts under load
  • Weight of solar panels: 25 lbs

Motors/Transmission:

  • Four electric motors: 10,000 rpm
  • Custom gearbox
  • Gear Ratio = 481.75 : 1
  • Output RPM: 20
  • Motor + Transmission weight: 14 lbs

Structure:

  • Carbon fiber truss-of-trusses design
  • Four arms, 31 ft long
  • Positioned in a “plus sign”, each propeller on the ends
  • Structure weight: 51 lbs

Rotors:

  • Quadrotor design, 2 blades per rotor
  • Rotor radius: 24 ft
  • Rotor thrust: 60 lb per rotor @ 20 rpm
  • Total rotor weight: 42.5 lbs