| |
| | How Consumer Fireworks Work :: PyroUniverse.com |
 | | There are two holes in the side of each tube, and as the device is being constructed, small chunks of fuse are used to connect each tube to its neighbor. |
 | | When the fuse ignites the composition, hot gases are produced and rush out of the hole, propelling the device around its central axis. |
 | | Meanwhile, a time fuse is burning inside of the parachute tube, which in turn ignites a tiny burst charge when the tube reaches the highest point in its flight. |
| www.pyrouniverse.com /consumer/howtheywork.htm (2797 words) |
|