GAM-67 Crossbow
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| GAM-67 Crossbow | |
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| Type | Anti-radar missile |
| Production history | |
| Manufacturer | Northrop |
| Specifications | |
| Weight | 2,800 lb (1,270 kg) |
| Length | 19 ft 1 in (5.82 m) |
| Height | 4 ft 6 (1.37 m) |
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| Engine | Continental J69 turbojet |
| Wingspan | 12 ft 6 in (3.81 m) |
| Operational range |
300 miles (480 km) |
| Flight altitude | 40,000 ft (12,200 m) |
| Speed | 675 mph (1,090 km/h) |
| Launch platform |
Aircraft or RATO |
The GAM-67 Crossbow was a jet-powered anti-radar missile built by Northrop's Ventura Division (successor to the Radioplane Company).
[edit] Development
In the late 1940s, the Radioplane Company developed a set of prototypes of the Q-1 target series, which used pulsejet or small turbojet engines. Although the Q-1 series was not put into production as a target, it did evolve into the USAF RP-54D / XB-67 / XGAM-67 Crossbow anti-radar missile, which was first flown in 1956. It was also considered as a platform for reconnaissance, electronic countermeasures, and decoy roles.
The Crossbow had a cigar-shaped fuselage, straight wings, a straight twin-fin tail, and an engine inlet under the belly. It was powered by a Continental J69 turbojet, which was a French Turbomeca Marbore II engine (which powered the Fouga Magister) built in the US under license, with 4.41 kN (450 kgf/1,000 lbf) thrust. Two Crossbows could be carried by a Boeing B-50 Superfortress bomber, while four Crossbows could be carried by a Boeing B-47 Stratojet bomber.
Only 14 Crossbows were built before the program was cancelled in 1957, in favor of a more sophisticated system that ended up being cancelled in turn. However, it did point the way to the range of missions that would be performed by UAVs in later decades.
[edit] References
- This article contains material that originally came from the web article Unmanned Aerial Vehicles by Greg Goebel, which exists in the Public Domain.
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