hesham ACCESS: USAP Senior Member Joined 26 May 2006 Messages 34,885 Reaction score 15,751 6 February 2010 #1 Hi, the Russian Groppius designed a canard machine in 1923,but it was never completed,I don't know if it was aircraft or sailplane,does anyone know it?.
Hi, the Russian Groppius designed a canard machine in 1923,but it was never completed,I don't know if it was aircraft or sailplane,does anyone know it?.
