Credit
Alan Wilson · CC BY-SA 2.0 · Resized · CC BY-SA 2.0 · Source ↗ · Modified
FORCETALLY
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At a glance
Measured figures
G 115E · Length
Single source7.79 m (25 ft 7 in)[source]
Tétras B · Length
Single sourceConfiguration
| Specification | Grob G 115 | Humbert Tétras |
|---|---|---|
| Type | Basic trainer[source] | Two seat ultralight or kit build[source] |
| Manufacturer | Grob Aircraft[source] | Humbert Aviation[source] |
| Status | active[source] | In production[source] |
| Primary users | Royal Air Force Egyptian Air Force Finnish Air Force Royal Navy Army Air Corps (UK)[source] | — |
6.50 m (21 ft 4 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; Tétras B · at 75% power and 3,048 m (10,000 ft)
Single sourceMaximum; Tétras B · Maximum speed
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]
Tétras B · 1 × Rotax 912 UL flat four
Single source1 × Rotax 912 UL flat four , 59.6 kW (79.9 hp)[source]
G 115E · Service ceiling
Single source6,095 m (20,000 ft)[source]
Bars compare reported quantities only. A larger figure does not make a system better; configurations and test conditions differ.
| Manufactured |
|---|
1985–present[source] |
1992-present[source] |
| Introduction date | 1999[source] | 1994[source] |
|---|
| First flight | November 1985[source] | c.1992[source] |
|---|
| Fuel capacity | 143 L (31 imp gal; 38 US gal) usable[source] | 60 L (15.9 USgal, 13.2 Impgal) standard. Can be increased to 85 L (22.5 USgal, 18.7 Impgal) outside France.[source] |
|---|
| Aspect ratio | 8.2:1[source] | — |
|---|
| Airfoil | Eppler 696[source] | NACA 23012[source] |
|---|
| Propellers | 3-bladed Hoffmann HO-V343K-V/183GY Constant-speed propeller , 1.83 m (6 ft 0 in) diameter[source] | 2-bladed DUC FC composite, 1.75 m (5 ft 9 in) diameter[source] |
|---|
| Stall speed | 91 km/h (57 mph, 49 kn) (60 degree flap)[source] | 55 km/h (34 mph, 30 kn) flaps down[source] |
|---|
| Never exceed speed | 341 km/h (212 mph, 184 kn)[source] | — |
|---|
| g limits | + 6.0/ - 3.0[source] | +4/-2[source] |
|---|
| Country of origin | Deutschland[source]Country of design · Entwurfsland | — |
|---|
| National origin | — | France[source] |
|---|
| Designer | — | Humbert Aviation[source] |
|---|
| Number built | — | c.150 by 2010[source] |
|---|
| Capacity | — |
|---|
Maximum take-off; Tétras B · where permitted
Single source