Mach 6.5 Hypersonic Shock Tunnel Nozzle for Scramjet Testing Dewey was contracted by GASL, part of ATK Tactical Propulsion and Controls, to machine this nozzle from a mandrel over 100 inches in length with an extremely tight finish tolerance of +/- 0.010 on the nozzle radius. The mandrel was fabricated using high- density polyurethane foam boards with good machining qualities. The required length was achieved by bonding cut boards with epoxy

Join for free to read