RO solid rocket engine. Largest solid rocket motor ever produced in Britain. Motor developed for hypersonic research vehicle. Subsequently used in Falstaff test vehicle. Stonechat I first stage.
AKA: Stonechat I;Stonechat I-1. Status: Retired 1969. Number: 1 . Thrust: 232.00 kN (52,155 lbf). Gross mass: 4,800 kg (10,500 lb). Unfuelled mass: 750 kg (1,650 lb). Burn time: 32 s. Height: 4.50 m (14.70 ft). Diameter: 0.92 m (3.01 ft).