The was designed to explore the low speed envelope of slender, delta wing aircraft. It featured a delta wing of very low aspect ratio swept at 75 degrees and a fixed tricycle undercarriage derived from the main gear of a Percival Prentice and the nosegear from a Miles Aerovan. The fuselage was quite slim and narrow except at the nose where it bulged to give space for the cockpit. It was powered by a single Bristol Siddeley Viper turbojet set at the base of the tailplane fin. For much more on this ai