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At a glance
Measured figures
G 115E · Length
Single source7.79 m (25 ft 7 in)[source]
T-45A · Length
Single sourceConfiguration
| Specification | Grob G 115 | McDonnell Douglas T-45 Goshawk |
|---|---|---|
| Type | Basic trainer[source] | Naval trainer aircraft[source] |
| Manufacturer | Grob Aircraft[source] | McDonnell Douglas / British Aerospace Boeing / BAE Systems[source] |
| Status | active[source] | In service[source] |
| Primary users | Royal Air Force Egyptian Air Force Finnish Air Force Royal Navy Army Air Corps (UK)[source] | — |
39 ft 4 in (11.99 m)[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]
Maximum; T-45A · at 8,000 ft (2,400 m)
Single source543 kn (625 mph, 1,006 km/h) at 8,000 ft (2,400 m)[source]
G 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]
T-45A · 1 × Rolls-Royce Turbomeca F405-RR-401 turbofan engine thrust de-rated (nominal thrust
Single sourceT-45A · 25,999.86 N
Single source1 × Rolls-Royce Turbomeca F405-RR-401 turbofan engine, 5,527 lbf (24.59 kN) thrust de-rated (nominal thrust 5,845 lbf (25,999.86 N))[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Manufactured | 1985–present[source] | 1988–2009[source] |
|---|
| Introduction date | 1999[source] | 1991[source] |
|---|
| First flight | November 1985[source] | 16 April 1988[source] |
|---|
| Fuel capacity | 143 L (31 imp gal; 38 US gal) usable[source] | 432 US gal (360 imp gal; 1,640 L) / 3,159 lb (1,433 kg) internal fuel (2,893 lb (1,312 kg) - early production aircraft), with provision for 2 × 156 US gal (130 imp gal; 590 L) drop tanks underwing[source] |
|---|
| Aspect ratio | 8.2:1[source] | — |
|---|
| Airfoil | Eppler 696[source] | root: Hawker 10.9%; tip: Hawker 9%[source] |
|---|
| Propellers | 3-bladed Hoffmann HO-V343K-V/183GY Constant-speed propeller , 1.83 m (6 ft 0 in) diameter[source] | — |
|---|
| Stall speed | 91 km/h (57 mph, 49 kn) (60 degree flap)[source] | — |
|---|
| Never exceed speed | 341 km/h (212 mph, 184 kn)[source] | 575 kn (662 mph, 1,065 km/h) / M1.04 design dive limit at 10,000 ft (3,000 m)[source] |
|---|
| g limits | + 6.0/ - 3.0[source] | + 7.33 - 3[source] |
|---|
| Country of origin | Deutschland[source]Country of design · Entwurfsland | — |
|---|
| National origin | — | United Kingdom/United States[source] |
|---|
| Primary user | — | United States Navy[source] |
|---|
| Number built | — | 221[source] |
|---|
| Developed from | — | BAE Systems Hawk[source] |
|---|
| Carrier launch speed | — | 121 kn (139 mph; 224 km/h)[source] |
|---|
| Approach speed | — | 125 kn (144 mph; 232 km/h)[source] |
|---|
| Time to altitude | — | 30,000 ft (9,100 m) in 7 minutes 40 seconds[source] |
|---|
| Wing loading | — | 67.1 lb/sq ft (328 kg/m 2 )[source] |
|---|
| Thrust/weight | — | 0.41[source] |
|---|
| Take-off distance to 50 ft (15 m) | — | 3,610 ft (1,100 m)[source] |
|---|
| Landing distance from 50 ft (15 m) | — | 3,310 ft (1,010 m)[source] |
|---|
| Hardpoints | — | Usually none: One hardpoint under each wing can be used to carry practice bomb racks (can carry up to 12 Mk-76 practice bombs), rocket pods, or fuel tanks. A centerline hardpoint can carry a cargo pod for crew baggage.[source] |
|---|
Maximum take-off; T-45A · Max takeoff weight
Single source