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Mi-1 Hare vs R-4

Mil Mi-1 Hare military helicopters side profile drawing
🇷🇺 Mi-1 Hare
Sikorsky R-4 military helicopters side profile drawing
🇺🇸 R-4
Change comparison vs
Specifications
Mi-1 Hare R-4
Origin country 🇷🇺 Ex-USSR 🇺🇸 United States
Category Military Helicopters Military Helicopters
Manufacturer Mil Sikorsky
First flight 20 September 1948 13 January 1942
Year introduced 1950 1944
Number produced 2594 units 131 units
Average unit price $100K $10K
Wingspan 14.4 m 11.6 m
Height 3.3 m 3.8 m
Length 12.1 m 10.8 m
Maximum speed 185 km/h 121 km/h
Operational range 430 km 210 km
Service ceiling 3,500 m 2,400 m
Max. takeoff weight 2,330 kg 1,150 kg
Empty weight 1,700 kg 950 kg
Total thrust 1 x 423 kW 0
Performance Radar Chart

Overview

The Mi-1 Hare and the R-4 are both Military Helicopters, manufactured by Mil and Sikorsky respectively.

Top speed is 185 km/h for the Mi-1 Hare vs 121 km/h for the R-4. The Mi-1 Hare has an operational range of 430 km vs 210 km for the R-4. The Mi-1 Hare operates at altitudes up to 3,500 m compared to 2,400 m for the R-4. At 2,330 kg MTOW, the Mi-1 Hare is 2.0x the R-4's 1,150 kg.

The Mi-1 Hare has been produced in 2,594 units vs 131 for the R-4. Unit cost is $0.1M for the Mi-1 Hare vs $0.01M for the R-4. The R-4 first flew 6 years before the Mi-1 Hare (1942 vs 1948).

Related Comparisons
Mi-1 Hare vs Mi-8 Hip Mi-1 Hare vs UH-1 Iroquois "Huey" Mi-1 Hare vs 206 JetRanger Mi-1 Hare vs Bell 47 Mi-1 Hare vs Mi-2 Hoplite Mi-1 Hare vs MD-500

Frequently Asked Questions

Which is faster, the Mi-1 Hare or R-4?
The Mi-1 Hare is faster with a maximum speed of 185 km/h compared to the R-4's 121 km/h, a difference of 64 km/h.
Which has longer range, the Mi-1 Hare or R-4?
The Mi-1 Hare has a longer range at 430 km compared to the R-4's 210 km.
Which can fly higher, the Mi-1 Hare or R-4?
The Mi-1 Hare has a higher service ceiling at 3,500 meters (11,482 ft) compared to the R-4's 2,400 meters (7,874 ft).
Which is heavier, the Mi-1 Hare or R-4?
The Mi-1 Hare has a higher maximum takeoff weight at 2,330 kg compared to the R-4's 1,150 kg.
Which is larger, the Mi-1 Hare or R-4?
The Mi-1 Hare is longer at 12.1 meters compared to the R-4's 10.8 meters.
Which is more expensive, the Mi-1 Hare or R-4?
The Mi-1 Hare is more expensive at approximately $0.1 million per unit compared to the R-4 at $0.0 million.
Which entered service first, the Mi-1 Hare or R-4?
The R-4 entered service first in 1944, 6 years before the Mi-1 Hare which entered service in 1950.
Which has been built in greater numbers, the Mi-1 Hare or R-4?
The Mi-1 Hare has been produced in greater numbers with 2,594 units compared to 131 units of the R-4.