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At a glance
Measured figures
G 115E · Length
Single source7.79 m (25 ft 7 in)[source]
Iak 52 · Length
Single sourceConfiguration
| Specification | Grob G 115 | Yakovlev Yak-52 |
|---|---|---|
| Type | Basic trainer[source] | Trainer , COIN[source] |
| Manufacturer | Grob Aircraft[source] | Yakovlev Aerostar[source] |
| Status | active[source] | Operational[source] |
| Primary users | Royal Air Force Egyptian Air Force Finnish Air Force Royal Navy Army Air Corps (UK)[source] | Soviet Air Force DOSAAF Ukrainian Army Aviation |
7.745 m (25 ft 5 in)[source]
Cruise; G 115E · long range cruising speed
Single sourceMaximum; G 115E · Maximum speed
Single source250 km/h (160 mph, 130 kn)[source]
178 km/h (111 mph, 96 kn) (long range cruising speed)[source]
Cruise; Iak 52 · at 1,000 m (3,300 ft) (econ cruise)
Single sourceMaximum; Iak 52 · at sea level
Single sourceG 115E · 1 × Lycoming AEIO-360-B1F/B 4-cylinder air-cooled horizontally-opposed piston engine
Single source1 × Lycoming AEIO-360-B1F/B 4-cylinder air-cooled horizontally-opposed piston engine, 130 kW (180 hp)[source]
Iak 52 · 1 × Vedeneyev M-14P nine-cylinder radial engine
Single source1 × Vedeneyev M-14P nine-cylinder radial engine , 270 kW (360 hp)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Manufactured | 1985–present[source] | 1978–1998[source] |
|---|
| Introduction date | 1999[source] | 1979[source] |
|---|
| First flight | November 1985[source] | 1976[source] |
|---|
| Fuel capacity | 143 L (31 imp gal; 38 US gal) usable[source] | 122 L (32 US gal; 27 imp gal)[source] |
|---|
| Aspect ratio | 8.2:1[source] | — |
|---|
| Airfoil | Eppler 696[source] | Clark YN[source] |
|---|
| Propellers | 3-bladed Hoffmann HO-V343K-V/183GY Constant-speed propeller , 1.83 m (6 ft 0 in) diameter[source] | 2-bladed V-530TA-D35 constant-speed propeller , 2.40 m (7 ft 10 in) diameter[source] |
|---|
| Stall speed | 91 km/h (57 mph, 49 kn) (60 degree flap)[source] | 85–90 km/h (53–56 mph, 46–49 kn) flaps down, engine idling[source] |
|---|
| Never exceed speed | 341 km/h (212 mph, 184 kn)[source] | 360 km/h (220 mph, 190 kn)[source] |
|---|
| g limits | + 6.0/ - 3.0[source] | +7/-5[source] |
|---|
| Country of origin | Deutschland[source]Country of design · Entwurfsland | — |
|---|
| Developed from | — | Yakovlev Yak-50[source] |
|---|
| Developed into | — | Yakovlev Yak-53[source] |
|---|
| Time to altitude | — | 15 min to 4,000 m (13,000 ft)[source] |
|---|
| National origin | — | Soviet Union[source] |
|---|