Models for commercial transport aircraft based on AeroSandbox.
Currently focuses on performance deltas between conventionally-fueled (kerosene) vs. liquid-hydrogen aircraft for long-haul transport.
| Optimized LH2 Airplane | Optimized Kerosene Airplane | As-Built B777-300ER | |
|---|---|---|---|
| # of passengers | 400 | 400 | 396 |
| Ultimate range | 7,500 nmi | 7,500 nmi | 8,200 nmi (estimated) |
| Cruise Mach | 0.82 | 0.82 | 0.84 |
| Cruise Altitude | 37,500 ft | 37,400 ft | 43,100 ft |
| Gross weight | 257,300 kg | 293,200 kg | 351,500 kg |
| Empty weight | 176,000 kg | 144,600 kg | 167,800 kg |
| Fuel capacity | 42,300 kg | 109,600 kg | 145,500 kg |
| Wing span | 64.8 m | 64.8 m | 64.8 m |
| Length | 80.6 m | 73.1 m | 73.9 m |
| Lift/Drag | 15.6 | 16.6 | - |
| Fuel burn | 7.62 g/pax-km | 19.7 g/pax-km | 19.4 to 26.1 g/pax-km |
| Transport energy | 0.91 MJ/pax-km | 0.85 MJ/pax-km | 0.84 to 1.13 MJ/pax-km |
For more info, see this presentation.