1. DJI FlyCart 30

1.1. Current Power System

• Type: Battery
• Weight: 22.5 kg
• Energy: 4 kWh
• Continuous Power during Max Speed: 14 kW
• Flight Range: 16 km
• Cost (Single Pack): 4,700 USD
• Cost (Triple Pack): 14,000 USD

1.2. Proposed MGT PPU

• Type: Gas Turbine PPU
• Weight: 22.5 kg
  • Fuel: 15 kg
  • Backup Battery: 2.5 kg
  • Gas Turbine: 3 kg
  • Generator Module: 2 kg
• Energy (20% Efficiency): 36 kWh
• Energy (30% Efficiency): 54 kWh
• Flight Range (20% Efficiency): 150 km (vs 16 km w/ battery)
• Flight Range (30% Efficiency): 220 km (vs 16 km w/ battery)
• Cycle Spec
  • TIT: 780 C (material: 330 SS)
  • $\eta_t$: 90%
  • $\eta_c$: 83%
  • $\Pi$: 7.0
  • $\dot{m}$: 0.1 kg/s
  • $\eta_{\text{thermal}}$: 23.6%
  • $\eta_{\text{electrical}}$: 22% (assuming 93% generator efficiency)

Reference

[1] Hamilton, S. Microturbine Generator Handbook. Pennwell, 2003.