| Blue Envoy | |
|---|---|
| Type | SAM |
| Place of origin | United Kingdom |
| Service history | |
| In service | Never entered service |
| Production history | |
| Designed | 1950s |
| Manufacturer | Bristol Aeroplane Co. |
| Specifications | |
| Warhead | Continuous-rod warhead |
|
Detonation
mechanism |
Proximity fuse |
|
|
|
| Engine | 2× Bristol BRJ.811 ramjets, 4× Borzoi solid fuel boosters |
|
Operational
range |
150 miles |
| Speed | Mach 3 |
|
Guidance
system |
Semi-active radar homing |
|
Launch
platform |
Fixed installation |
Blue Envoy (a Rainbow code name) was a British project to develop a ramjet-powered surface-to-air missile during the 1950s. It was cancelled in April 1957. The guidance system and the ramjet designs were used to upgrade the Bloodhound Mk 1 missile design to produce the Bloodhound Mk 2.