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Step 5Making the rocket tube.
If all goes well (it probably will not), then you can make the rocket tube. Cut the CPVC pipe to a 7" length (or longer if you prefer) with a hacksaw (or other pipe cutter). Using a large file, you will want to make sure that ends of the pipe are evenly perpendicular to the rest of the pipe (another way of saying it : a straight cut).
The next thing is easy to do, but also easy to mess up. Take an ear swab, and coat it with super glue. You will need to measure how far the engine should go in with about a forth of an inch sticking out. Insert the ear swab to the same length and make a ring inside with the glue. This is just right to keep the engine in place.
Next take a length of the tough string (about +/- 7 inches) and tie it securely to the outside of the rocket tube. Make sure that doesn't come off by covering the knot all around with super glue. Make the knot as small, neat, and unnoticeable as possible.
The next thing is easy to do, but also easy to mess up. Take an ear swab, and coat it with super glue. You will need to measure how far the engine should go in with about a forth of an inch sticking out. Insert the ear swab to the same length and make a ring inside with the glue. This is just right to keep the engine in place.
Next take a length of the tough string (about +/- 7 inches) and tie it securely to the outside of the rocket tube. Make sure that doesn't come off by covering the knot all around with super glue. Make the knot as small, neat, and unnoticeable as possible.
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