13.08.2013 Views

The Chemistry of Powder and Explosives - Sciencemadness Dot Org

The Chemistry of Powder and Explosives - Sciencemadness Dot Org

The Chemistry of Powder and Explosives - Sciencemadness Dot Org

SHOW MORE
SHOW LESS

Create successful ePaper yourself

Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.

114<br />

PYROTECHNICS<br />

<strong>The</strong>y are tied m hexagonal bundles, Figure 37, each containing<br />

1006 tubes. Since the twine tied tightly around the bundle<br />

FIGURE 40. Loading Filling the Tubes with <strong>Powder</strong>. (Courtesy Wallace<br />

Clark)<br />

crushes the 6 tubes at the corners <strong>of</strong> the hexagon, <strong>and</strong> since these<br />

are discarded, each bundle contains tubes for 1000 finished<br />

crackers.<br />

FIGURE 41 Fusing <strong>and</strong> Crimping (Courtesy Wallace Clark )<br />

<strong>The</strong> back ends <strong>of</strong> the crackers are then crimped; Figure 38<br />

A bamboo stick is placed against the end <strong>of</strong> the tube <strong>and</strong> is

Hooray! Your file is uploaded and ready to be published.

Saved successfully!

Ooh no, something went wrong!