Skip to main content

Posts

Showing posts from December, 2024

Double Voice Cracker

These days I watched a video of a strange fireworks device I have never seen and discovered it's name is " Double Voice Cracker ". Today I will tell you what I have learned about it. Also known as Heaven and Earth or Bing Bong , Double Voice Crackers are a chinese type of firecracker that essentially produces 2 bangs, one in the ground an another in the air. It is like a mortar and shell self contained in a single tube divided in the middle by a clay (or other hard material) plug with a timing fuse. Below is a diagram of a Double Voice Cracker from the book " The Best of AFN II ": Before igniting the fuse, the device must be placed over a hard and flat surface with the lifting charge facing the ground. When the fuse is ignited, the lifting charge explodes and kicks the tube into the air, while igniting the time fuse and finally the report charge explodes in the air. The report charge could be flash powder or any other effect. For more safety ...

Brazilian Baianinha Spinner

Baianinha is the name of a small Brazilian firework. Essentially, it is a spinner that acts like a spinning top. You put it on the ground, light up the fuse and then the fire spray comes out from the fuse hole causing the "Baianinha" so spin around itself making an effect similar to a spinning top. Below is a Baianinha from Fogos Lider (one of the biggest fireworks factories in Brazil) Check how it works in this video:

Diwali - The Festival of Lights

Diwali, also known as the Festival of Lights, is one of the most vibrant and celebrated festivals in India and around the world. Symbolizing the victory of light over darkness and good over evil, Diwali brings joy, unity, and a magical glow to every corner of the country. One of the most breathtaking aspects of this celebration is the spectacular display of fireworks that light up the night sky. The History and Date of Diwali Diwali has its roots in ancient Hindu mythology and traditions, with stories varying across regions and cultures. The most popular narrative is from the Hindu epic, Ramayana , where Diwali marks the return of Lord Rama, his wife Sita, and his brother Lakshmana to Ayodhya after 14 years of exile and the defeat of the demon king Ravana. The people of Ayodhya celebrated their return by lighting rows of lamps, symbolizing the victory of good over evil. In other traditions, Diwali is associated with the goddess Lakshmi, the deity of wealth and prosperity. It is...

Japanese vs Chinese Fireworks: A Tale of Two Traditions

The fireworks industries of Japan and China represent two distinct approaches to pyrotechnics, shaped by centuries of cultural heritage, technological innovation, and market dynamics. Historical Origins China is widely recognized as the birthplace of fireworks, with a history dating back to the Tang Dynasty (618-907 AD). In contrast, Japan adopted fireworks later, primarily during the Edo period (1603-1867), developing a unique aesthetic and technological approach. Manufacturing Approaches Chinese Fireworks Industry Dominates global production, accounting for approximately 90% of world fireworks manufacturing Characterized by large-scale, low-cost production Massive industrial clusters in provinces like Hunan and Guangdong Strong export-oriented manufacturing model Focuses on volume and economic efficiency Japanese Fireworks Industry Emphasizes precision, artistic quality, and aesthetic design Smaller-scale production with high-value specialty prod...