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  1. jmshiloh

    Recommendations for Rocket Nozzles

    I'm part of a group of hobbiests who make ther own model rocket engines. We have been using graphite for nozzles. It is quite expensive and needs to be machined. I found a material from Contronics in NJ called Rescor 770. It is a 2 part (powder and activator/resin) castable silicon carbide...
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