Armstrong Whitworth ‘s laminar-flow flying wing development was featured 4 engines and a massive 120 foot wingspan. They began with a 1/3 scale AW-52G glider. It first flew on 2 March 1945. This plane was cancelled but the company was funded for two new prototypes. The first Nene-powered aircraft flew on 13 November 1947 and achieved speeds of around 500mph. It suffered flight control problems and crashed in 1949. through control problems and the pilot, John Lancaster, made the first emergency ejection in Britain. The 2nd AW52 performed trials with the RAE until May 1954. The program was abandoned.