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 | 0.81 | 0.82 | 0.84 |
| Cruise Altitude | 40,800 ft | 40,100 ft | 43,100 ft |
| Gross weight | 275,700 kg | 314,500 kg | 351,500 kg |
| Empty weight | 195,800 kg | 164,900 kg | 167,800 kg |
| Fuel capacity | 41,900 kg | 110,600 kg | 145,500 kg |
| Wing span | 64.8 m | 64.8 m | 64.8 m |
| Length | 81.5 m | 73.0 m | 73.9 m |
| Lift/Drag | 17.1 | 18.1 | - |
| Fuel burn | 7.54 g/pax-km | 19.9 g/pax-km | 19.4 to 26.1 g/pax-km |
| Transport energy | 0.90 MJ/pax-km | 0.86 MJ/pax-km | 0.84 to 1.13 MJ/pax-km |
For more info, see this presentation.