R-4 vs SA315 Alouette II
R-4 vs SA315 Alouette II at a glance — top speed 121 vs 192 km/h, range 210 vs 565 km, max takeoff weight 1,150 vs 1,600 kg, built 131 vs 1,300 units.
Specifications
|
R-4 |
SA315 Alouette II |
| Origin country |
🇺🇸 United States |
🇫🇷 France |
| Category |
Military Helicopters |
Military Helicopters |
| Manufacturer |
Sikorsky |
Sud Aviation |
| First flight |
13 January 1942 |
12 March 1955 |
| Year introduced |
1944 |
1957 |
| Number produced |
131 units |
1300 units |
| Average unit price |
$10K |
-- |
| Wingspan |
11.6 m |
10.2 m |
| Height |
3.8 m |
2.8 m |
| Length |
10.8 m |
9.7 m |
| Maximum speed |
121 km/h |
192 km/h |
| Operational range |
210 km |
565 km |
| Service ceiling |
2,400 m |
2,300 m |
| Max. takeoff weight |
1,150 kg |
1,600 kg |
| Empty weight |
950 kg |
895 kg |
| Total thrust |
--
|
1 x 343 kW
|
Detailed Comparison
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Which is faster, the R-4 or SA315 Alouette II?
The SA315 Alouette II is faster with a maximum speed of 192 km/h compared to the R-4's 121 km/h, a difference of 71 km/h.
Which has longer range, the R-4 or SA315 Alouette II?
The SA315 Alouette II has a longer range at 565 km compared to the R-4's 210 km.
Which can fly higher, the R-4 or SA315 Alouette II?
The R-4 has a higher service ceiling at 2,400 meters (7,874 ft) compared to the SA315 Alouette II's 2,300 meters (7,545 ft).
Which is heavier, the R-4 or SA315 Alouette II?
The SA315 Alouette II has a higher maximum takeoff weight at 1,600 kg compared to the R-4's 1,150 kg.
Which is larger, the R-4 or SA315 Alouette II?
The R-4 is longer at 10.8 meters compared to the SA315 Alouette II's 9.7 meters.
Which entered service first, the R-4 or SA315 Alouette II?
The R-4 entered service first in 1944, 13 years before the SA315 Alouette II which entered service in 1957.
Which has been built in greater numbers, the R-4 or SA315 Alouette II?
The SA315 Alouette II has been produced in greater numbers with 1,300 units compared to 131 units of the R-4.
