Bell 47 vs R-4
Overview
The Bell 47 and the R-4 are both Military Helicopters, manufactured by Bell and Sikorsky respectively.
Top speed is 169 km/h for the Bell 47 vs 121 km/h for the R-4. The Bell 47 has an operational range of 396 km vs 210 km for the R-4.
The Bell 47 has been produced in 5,600 units vs 131 for the R-4. The R-4 first flew 4 years before the Bell 47 (1942 vs 1946).
| American single-rotor light helicopter, developed in the mid-1940s and utilized for a wide range of civilian and military applications including reconnaissance and medical evacuation. | |
| Origin country | 🇺🇸 United States |
| Category | Military Helicopters |
| Manufacturer | Bell |
| First flight | 1 January 1946 |
| Year introduced | 1946 |
| Number produced | 5600 units |
| Average unit price | -- |
| American helicopter from the 1940s, first to be produced in quantity, used primarily in World War II for rescue operations. | |
| Origin country | 🇺🇸 United States |
| Category | Military Helicopters |
| Manufacturer | Sikorsky |
| First flight | 13 January 1942 |
| Year introduced | 1944 |
| Number produced | 131 units |
| Average unit price | $10K |
| Wing area | 100.8 m² |
| Wingspan | 11.3 m ◉ |
| Height | 2.8 m ◉ |
| Length | 9.6 m ◉ |
| Maximum speed | 169 km/h ◉ |
| Operational range | 396 km ◉ |
| Service ceiling | -- m |
| Max. takeoff weight | 1,338 kg ◉ |
| Empty weight | 859 kg ◉ |
| Total thrust | 1 x 210 kW ◉ |
| Wing area | -- m² |
| Wingspan | 11.6 m ◉ |
| Height | 3.8 m ◉ |
| Length | 10.8 m ◉ |
| Maximum speed | 121 km/h ◉ |
| Operational range | 210 km ◉ |
| Service ceiling | 2,400 m |
| Max. takeoff weight | 1,150 kg ◉ |
| Empty weight | 950 kg ◉ |
| Total thrust | 0 ◉ |
Performance Radar Chart
Detailed Comparison
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Frequently Asked Questions
Which is faster, the Bell 47 or R-4?
The Bell 47 is faster with a maximum speed of 169 km/h compared to the R-4's 121 km/h, a difference of 48 km/h.
Which has longer range, the Bell 47 or R-4?
The Bell 47 has a longer range at 396 km compared to the R-4's 210 km.
Which can fly higher, the Bell 47 or R-4?
The R-4 has a higher service ceiling at 2,400 meters (7,874 ft) compared to the Bell 47's 0 meters (0 ft).
Which is heavier, the Bell 47 or R-4?
The Bell 47 has a higher maximum takeoff weight at 1,338 kg compared to the R-4's 1,150 kg.
Which is larger, the Bell 47 or R-4?
The R-4 is longer at 10.8 meters compared to the Bell 47's 9.6 meters.
Which entered service first, the Bell 47 or R-4?
The R-4 entered service first in 1944, 2 years before the Bell 47 which entered service in 1946.
Which has been built in greater numbers, the Bell 47 or R-4?
The Bell 47 has been produced in greater numbers with 5,600 units compared to 131 units of the R-4.