 Other sources variously list a turn radius of between 125 m (410 ft) and 170 m (558 ft)at ground level and 230 m (754 ft) at 6,000 m (19,690 ft) for the 109E.The "Emil" was smaller than either RAF fighter, and it was more difficult to land and take off than the Spitfire and Hurricane.At high speeds controls tightened considerably, and the Bf 109E needed more strength to manoeuvre than either of its main opponents.