Two stage. Launched 24 May 1960 at 21:00. Apogee 350 miles.

BK08, the first two-stage vehicle to be fired, was intended to obtain re-entry of the head at a higher speed. Main stage performance was good, but the second stage did not separate from the main stage and so was not ignited. The failure of explosive bolts or inertia switch circuitry was the probable cause. The trial, however, proved the aerodynamics of a new configuration, the control stability with the heavier vehicle, the stressing with greatly increased forward weight and the necessarily modified guidance arrangements.


Figure 92. The BK08 re-entry head being set up at Woomera.

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