The Gyöngyös 33 was the first sailplane designed in Hungary, making its first flight in June 1933. It set several national records, using ridge lift rather than thermal soaring.
The Gyöngyös 33 was the first sailplane designed in Hungary, making its first flight in June 1933. It set several national records, using ridge lift rather than thermal soaring. (en)
The Gyöngyös 33 was the first sailplane designed in Hungary, making its first flight in June 1933. It set several national records, using ridge lift rather than thermal soaring. (en)