This was a test vehicle for the "Gaslight trials, used to assess the re-entry vehicles for theBlue Streak MRBM. Other tests conducted on Black Knight were coatings for hypersonic vehicles, anti-ballistic missile technology and materials development. Black Knight was later proposed as a second stage to a Black Prince (Blue Streak Satellite Launch Vehicle, BSSLV) launcher.
A proposed variant of Black Knight was the "56" Black Knight" that used aWaxwing solid rocket motor as an upper stage.
Black Knight was fitted with a Cuckoo solid rocket motor to boost the RVs during tests.
The power for the Black Knight was a quartet of Armstrong SiddeleyGamma HTP / Kerosene rocket motors.
The photos show the Black Knight and Gamma motors as displayed in the Museum of Flight at East Fortune.
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