boat industry in the market place today . about gsc our props clock props technical service bulletins contact us click here for our new address and fax number . welcome to the gsc systems website . gsc systems has been propelling the world since 1984 and is one of the oldest and most world wide renowned propeller manufacturing companies in the light aircraft and air boat industry in the market place today . read more about gsc ... gsc systems 2004 ltd. manufactures wooden propellers for ultralight planes powered parachutes and powered paragliders using rotax and other engines . we use the best quality eastern maple hardwood . they are available in fixed pitch ground adjustable 2 and 3 blade 2 blade mechanical in flight adjustable and for the ppg market . copyright gsc systems 2004 ltd. site design by image web works