Largest Single Engined Aeroplane in the World -- The folding wings of the "Cubaroo".The "Cubaroo" Blackburn-Napier with its famous Napier "Cub" engine developing 1,000 H.P. took its first flight with every success at Brough, Yorks, yesterday. Representatives of the British and Foreign Governments were present. It is Britains most deadly fighter and carries a quantity of bombs a 1,000 lb. torpedo and guns. January 01, 1926.