![]() I like to apply the PVC cement over the bottle, that way any drips will make it back into the bottle and hopefully not make a mess. Opening the PVC cement you'll see that there's an applicator brush attached to the underside of the lid. PVC cement is a solvent, and dyed a very nice deep blue, so it will stain everything from both the dye and the chemicals in the solvent. You can probably determine how to make it just from looking at the image, but I'll walk you through the process.īefore starting any cementing, it's a good idea to make sure you're working in a well ventilated area and on a work surface that's protected. When applied, the cement will cause a chemical reaction with the PVC and melt the plastic a little, so that when two pieces are cemented together the melted sections bond and form a watertight connection.īelow is the basic launch apparatus we're going to make. To connect PVC pipe and their fittings together there's a special glue that's used, a solvent cement. Once all the pieces are cut we can start to assemble them. ![]() Cleaning the ends removes burrs and makes for a smoother interface when we cement the pipe to the connectors later. The cut ends can be cleaned up with a file. More on how to roll the tubes after the apparatus assembly.Īfter cutting the PVC pieces, set the rocket forming tubes aside so they don't get mixed up with the apparatus build. However, the rocket forming tubes need to be long enough to wrap the printer paper around and form the rockets we will fire (14" works well). ![]() The lengths don't need to be totally accurate, as they are guidelines to create your own launch apparatus.
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