Compute Reynolds number and Mach number for any flight condition using the 1976 US Standard Atmosphere model.
Example flight conditions
| Flight condition | Re | Mach |
|---|---|---|
| Cessna 172 cruising at 120 kts at 6,000 ft | 5.9M (root), 4.1M (tip) | 0.19 |
| Cessna 172 final approach at 65 kts, sea level | 3.7M (root), 2.6M (tip) | 0.10 |
| Cirrus SR22T cruising at 188 kts at 18,000 ft | 6.2M (root), 3.3M (tip) | 0.30 |
| Cirrus SR22T climbing at 91 kts, hot day, Denver | 3.9M (root), 2.1M (tip) | 0.14 |
| Boeing 737-800 cruising at 450 kts at 38,000 ft | 30M (root), 6.6M (tip) | 0.78 |
| Boeing 737-800 final approach at 140 kts, sea level | 28M (root), 6.0M (tip) | 0.21 |
| R/C F3D pylon racer at 200 mph, sea level | 1.5M (root), 770k (tip) | 0.26 |
| R/C dynamic soaring glider at 500 mph, 3,000 ft | 4.3M (root), 2.2M (tip) | 0.66 |
| R/C "Trainer 60" at 35 mph, sea level | 320k | 0.05 |
| Grey-headed Albatross at 68 mph, sea level | 410k | 0.09 |