 In 1928 Hirth flew the Württemberg in France at the International contest at Vauville, on the Channel coast near Cherbourg, with great success.Glider flight here followed the coast over sandhills and relied on slope lift from a West wind; the Württemberg was suited to the weak wind that blew during the competition.He won prizes for the greatest height gain (), straight-line distance (), height () and for the number of flights lasting more than 30 minutes (10).