 Gnome manufactured around 200 rotary aviation engines per month.Under Diatto ownership their technological know-how was also integrated into the motor-vehicles.The Gnome et Rhone 9 cylinder rotary engine won several prestigious trans-European prizes such as the Mediterranean crossing; the Gordon Bennet Cup; the Reims Meeting; plus the Raids of Friedrichshafen, Düsseldorf, Cuxhaven, Zeebrugge, and Dunkerque.