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Why was the safety fuse more dependable than earlier kinds of fuses?
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explosive
A coal miner loading a drill hole with a water gel explosive called Tovex.
The safety fuse, invented by William Bickford in 1831, was developed specifically to address the dangerous deficiencies inherent in the earlier quill fuse.1
The safety fuse was significantly more dependable for several reasons:
- Accuracy and Consistency: It provided an amazingly accurate and consistent burn rate, which allowed for much more reliable timing when conveying flame to an explosive charge.1
- Durability: It offered superior resistance to both water and physical abuse compared to its predecessors.1
- Construction: By utilizing a core of black powder tightly wrapped in textiles—such as jute yarn—and coating the exterior with a waterproofing agent like asphalt, the design ensured the internal powder train remained protected and stable during use.1
These improvements made the safety fuse a vital advancement in the explosives industry, greatly enhancing safety in mining and other blasting operations.1