OUR MOST POPULAR DVD! Blast Waves & Flash Powders. Flash powder manufacturing is still the most dangerous of fireworks operations. And still fraught with myths and misunderstandings. What is the best formulation for salutes? Indeed, how does the producer decide between depth and sharpness of the sound? Which formulations produce the sharpest sound, the loudest boom? Join Ken Kosanke at the '94 PGI convention in New Castle and explore the physics and chemistry of this remarkable phenomenon. 55 minutes.

INDEX:
Chapter 1, Opening Titles
Chapter 2, Beginning of Seminar
Chapter 3, Background of Blast Waves
Chapter 4, Pressure Pulse
Chapter 5, Two Things that Happen with Blast Waves
Chapter 6, Blast Pressure Measuring Instrument
Chapter 7, Audio Qualities of Blast Wave
Chapter 8, Sound Loudness
Chapter 9, Flash Powder Testing
Chapter 10, Results of Flash Powder Testing
Chapter 11, Bulking Agents
Chapter 12, Comparison of Aluminum Types
Chapter 13, Double Explosion
Chapter 14, Flash Mixture Comparison
Chapter 15, Conclusion
Chapter 16, Closing Remarks & Credits