R-4 vs UH-1 Iroquois "Huey"
The R-4 and the UH-1 Iroquois "Huey" are both Military Helicopters, manufactured by Sikorsky and Bell respectively. Top speed is 121 km/h for the R-4 vs 222 km/h for the UH-1 Iroquois "Huey". The R-4 has an operational range of 210 km vs 510 km for the UH-1 Iroquois "Huey". The UH-1 Iroquois "Huey" operates at altitudes up to 5,910 m compared to 2,400 m for the R-4. At 4,309 kg MTOW, the UH-1 Iroquois "Huey" is 3.7x the R-4's 1,150 kg. The R-4 has been produced in 131 units vs 16,000 for the UH-1 Iroquois "Huey". Unit cost is $0.01M for the R-4 vs $1.3M for the UH-1 Iroquois "Huey". The R-4 first flew 14 years before the UH-1 Iroquois "Huey" (1942 vs 1956).
| 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 | $0.0 million |
| American utility helicopter, essential in the Vietnam War, extensively employed for medevac, transport, and combat operations. | |
| Origin country | 🇺🇸 United States |
| Category | Military Helicopters |
| Manufacturer | Bell |
| First flight | 22 October 1956 |
| Year introduced | 1959 |
| Number produced | 16000 units |
| Average unit price | $1.3 million |
| Wingspan | 11.6 m â—‰ |
| Height | 3.8 m â—‰ |
| Length | 10.8 m â—‰ |
| Maximum speed | 121 km/h â—‰ |
| Operational range | 210 km â—‰ |
| Service ceiling | 2,400 m â—‰ |
| Max. takeoff weight | 1,150 kg â—‰ |
| Empty weight | 950 kg â—‰ |
| Total thrust | 0 â—‰ |
| Wingspan | 14.6 m â—‰ |
| Height | 4.5 m â—‰ |
| Length | 12.7 m â—‰ |
| Maximum speed | 222 km/h â—‰ |
| Operational range | 510 km â—‰ |
| Service ceiling | 5,910 m â—‰ |
| Max. takeoff weight | 4,309 kg â—‰ |
| Empty weight | 2,087 kg â—‰ |
| Total thrust | 1 x 820 kW â—‰ |
Performance Radar Chart
Frequently Asked Questions
Which is faster, the R-4 or UH-1 Iroquois "Huey"?
The UH-1 Iroquois "Huey" is faster with a maximum speed of 222 km/h compared to the R-4's 121 km/h, a difference of 101 km/h.
Which has longer range, the R-4 or UH-1 Iroquois "Huey"?
The UH-1 Iroquois "Huey" has a longer range at 510 km compared to the R-4's 210 km.
Which can fly higher, the R-4 or UH-1 Iroquois "Huey"?
The UH-1 Iroquois "Huey" has a higher service ceiling at 5,910 meters (19,389 ft) compared to the R-4's 2,400 meters (7,874 ft).
Which is heavier, the R-4 or UH-1 Iroquois "Huey"?
The UH-1 Iroquois "Huey" has a higher maximum takeoff weight at 4,309 kg compared to the R-4's 1,150 kg.
Which is larger, the R-4 or UH-1 Iroquois "Huey"?
The UH-1 Iroquois "Huey" is longer at 12.7 meters compared to the R-4's 10.8 meters.
Which is more expensive, the R-4 or UH-1 Iroquois "Huey"?
The UH-1 Iroquois "Huey" is more expensive at approximately $1.3 million per unit compared to the R-4 at $0.0 million.
Which entered service first, the R-4 or UH-1 Iroquois "Huey"?
The R-4 entered service first in 1944, 15 years before the UH-1 Iroquois "Huey" which entered service in 1959.
Which has been built in greater numbers, the R-4 or UH-1 Iroquois "Huey"?
The UH-1 Iroquois "Huey" has been produced in greater numbers with 16,000 units compared to 131 units of the R-4.