Convergent divergent nozzle mold
thingiverse
READ DESCRIPTION CAREFULLY! CRUCIAL DETAILS FOLLOW! This untested mold for a convergent divergent rocket nozzle is up for grabs! The side that attaches to the rocket boasts a radius of 7.5mm, which translates to a diameter of 15mm - perfect for resizing it to fit your rocket with ease. A visual guide has been provided in the uploaded picture, showing exactly where to cut the model so the mold can be neatly removed after the nozzle dries completely. Designed with flexibility in mind, this mold allows you to use a combination of aluminum foil and resin glue to wrap around it like paper mache. However, remember not to apply epoxy on the layer that comes into contact with the mold - KNO3 rocket fuel is hot enough to burn through 1 to 3 layers of aluminum foil! If you want to reuse the nozzle, make sure to apply multiple layers at your own risk!
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