ActingLikeAKid
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- Nov 16, 2015
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I'm thinking I saw this technique somewhere here and my search mojo is off tonight.
The idea was something like this: To retain a motor, "hide" a threaded rod in a fin fillet, so that it's completely encased in epoxy. The rod extends maybe 1/4 to 1/2" past the bottom of the rocket, then you just slip a washer onto it to hold on the motor and a nut to hold on the washer.
Am I remembering this right? Is there anything more to it? Would it be a good idea to have >1 rod? How thick a rod would you use?
The idea was something like this: To retain a motor, "hide" a threaded rod in a fin fillet, so that it's completely encased in epoxy. The rod extends maybe 1/4 to 1/2" past the bottom of the rocket, then you just slip a washer onto it to hold on the motor and a nut to hold on the washer.
Am I remembering this right? Is there anything more to it? Would it be a good idea to have >1 rod? How thick a rod would you use?