#16 Hybrid rocket motor test, graphite nozzle fails!
In this test, the full graphite nozzle we built was blown out the bottom of the chamber almost instantly after ignition, the 8 retaining screws tore though 3/4" of solid graphite, plus the two O-ring sealing grooves. I guess we will have to stick with our... [+]
In this test, the full graphite nozzle we built was blown out the bottom of the chamber almost instantly after ignition, the 8 retaining screws tore though 3/4" of solid graphite, plus the two O-ring sealing grooves. I guess we will have to stick with our tapered inserts
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