Pathfinder | Pathfinder-Plus | Centurion | Helios HP01 | Helios HP03 | |
---|---|---|---|---|---|
Length ft(m) | 12 (3.6) | 12 (3.6) | 12 (3.6) | 12 (3.6) | 16.5 (5.0) |
Chord ft(m) | 8 (2.4) | ||||
Wingspan ft(m) | 98.4 (29.5) | 121 (36.3) | 206 (61.8) | 247 (75.3) | |
Aspect ratio | 12 to 1 | 15 to 1 | 26 to 1 | 30.9 to 1 | |
Glide ratio | 18 to 1 | 21 to 1 | ? | ? | ? |
Airspeed kts(km/h) | 15–18 (27–33) | 16.5–23.5 (30.6–43.5) | ? | ||
Max altitude ft(m) | 71,530 (21,802) | 80,201 (24,445) | n/a | 96,863 (29,523) | 65,000 (19,812) |
Empty Wt lb(kg) | ? | ? | ? | 1,322 (600) | ? |
Max. weight lb(kg) | 560 (252) | 700 (315) | ±1,900 (±862) | 2,048 (929) | 2,320 (1,052) |
Payload lb(kg) | 100 (45) | 150 (67,5) | 100–600 (45–270) | 726 (329) | ? |
Engines | electric, 2 hp (1.5 kW) each | ||||
No. of engines | 6 | 8 | 14 | 14 | 10 |
Solar pwr output (kW) | 7.5 | 12.5 | 31 | ? | 18.5 |
Supplemental power | batteries | batteries | batteries | Li batteries | Li batteries, fuel cell |
Read more about this topic: NASA Pathfinder