KM Ekranoplan vs Stratolaunch Roc
Top speed, range, size and history side by side. Each was built for its own job, so this shows how they differ, not which is better.
The KM Ekranoplan is faster: 500 km/h against 460 km/h for the Stratolaunch Roc. The Stratolaunch Roc flies further: 3,700 km against 1,500 km for the KM Ekranoplan. The Stratolaunch Roc has the wider wingspan: 117 m against 37.6 m for the KM Ekranoplan. The Stratolaunch Roc is heavier at takeoff: 590 tonnes against 544 tonnes for the KM Ekranoplan. The KM Ekranoplan first flew in 1966, 53 years before the Stratolaunch Roc (2019).
| KM Ekranoplan | Stratolaunch Roc |
|---|
| Top speed | 500 km/h (311 mph) | 460 km/h (286 mph) |
|---|
| Range | 1,500 km (932 miles) | 3,700 km (2,299 miles) |
|---|
| Length | 92 m (302 ft) | 72.5 m (238 ft) |
|---|
| Wingspan | 37.6 m (123 ft) | 117 m (384 ft) |
|---|
| Max takeoff weight | 544 t (1,199,302 lb) | 590 t (1,300,714 lb) |
|---|
| First flight | 1966 | 2019 |
|---|
| Crew and capacity | Experimental | Carries test vehicles between its hulls |
|---|
| Engines | 10 × turbojet | 6 × PW4056 turbofan |
|---|
| Built by | Alekseyev Design Bureau | Scaled Composites |
|---|
| Country | USSR | USA |
|---|
More about each
Other comparisons
