Model Rocket Motors
Made with Rcandy
A video montage
Please note that all temperatures are in Farenheit unless stated otherwise.
1. Intro - Overview of the procedure and the product. (7 meg .wmv file, 35 seconds playtime)
2. Propellant - Making a small batch of propellant in the electric skillet (59 meg .wmv file, 8:59 playtime)
3. Casing & Nozzle - Rammed Bentonite clay. No Bentonite? Get some! (29 meg .wmv file, 4:26 playtime)
4. Grain - Molding of an uninhibited, core-burning propellant grain using a section of motor tube as the mold (37 meg .wmv file, 6:01 playtime)
5. Fuse paper - A simple pyrogen. Cheap, easy, and it works. (17 meg .wmv file, 4:11 playtime)
6. Assembly - Insert propellant grain, glue in header grain. Here are a few tricks for making it work well. (49 meg .wmv file, 7:31 seconds playtime)
7. Sealup - Since this propellant is hygroscopic, the motors must be sealed tightly. Aluminum foil duct tape does the trick. (29 meg .wmv file, 4:39 playtime)
8. Launch! - A few silly launches, just to show that these motors actually work. (22 meg .wmv file, 1:56 playtime)
9. Rolling tubes - Posterboard and PVA wood glue, rolled around a 1/2 inch dowel, dried for a couple of days. (64 meg .wmv file, 5:32 playtime)
10. Cutting tubes - These tubes are tough, and can be difficult to cut without the right tools and technique. (96 meg .wmv file, 5:47 playtime)