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The Globe KD6G Firefly is an American target drone, built by the Globe Aircraft Corporation for operation by the United States Navy during the 1950s and early 1960s.

KD6G Firefly
KD6G-2 at the Yanks Air Museum
Role	Target drone Type of aircraft
National origin	United States
Manufacturer	Globe Aircraft Corporation
First flight	1951
Retired	c. 1965
Primary user	United States Navy
Developed from	Globe KD2G Firefly

Design and development

The design of the KD6G was based on the earlier Globe KD2G Firefly target drone, featuring a mid-wing configuration with a twin-fin empennage, but instead of a pulsejet powerplant as in the KD2G the KD6G was fitted with a single piston engine in a tractor configuration. Launched via catapult, the KD6G was radio-controlled during flight, and, if it was not shot down in the course of its mission, would be recovered via parachute.[1]

Operational history

First flying in prototype form in 1951, the KD6G proved successful and was ordered into production in two forms, the KD6G-1 with a McCullough O-100 engine, and the KD6G-2 with a Kiekhaefer V-105 powerplant.[1] Used extensively by the United States Navy during the 1950s in the gunnery training role, the KD6G-2 was redesignated in 1963 in the new unified missile sequence, becoming the MQM-40A before being retired soon thereafter.[1]

Variants

XKD6G-1

Prototype with McCullogh O-100-1 engine[1]

KD6G-1

Production version of XKD6G-1[2]

KD6G-2

Production version with Kiekhaefer V-105-2 engine[2]

XQM-40A

Initial redesignation of KD6G-2[1]

MQM-40A

Final redesignation of KD6G-2[1]

Aircraft on display

A KD6G-2 is on display at the Pima Air & Space Museum;[3] another is at the Planes of Fame Air Museum.[1]

Specifications (KD6G-2)

Data from Parsch[1]

General characteristics

• Crew: None
• Length: 11 ft 6 in (3.51 m)
• Wingspan: 11 ft 6 in (3.51 m)
• Height: 1 ft 7 in (0.48 m)
• Powerplant: 1 × Kiekhaefer V-105-2 piston engine, 100 hp (75 kW)

Performance

• Maximum speed: 265 mph (426 km/h, 230 kn)
• Endurance: 60 min

See also

Related development

• Globe KDG Snipe
• Globe KD2G Firefly
• Globe KD3G Snipe

Aircraft of comparable role, configuration, and era

• Beechcraft MQM-61 Cardinal
• Radioplane BTT

Related lists

• List of unmanned aerial vehicles

References

Citations

Bibliography

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