LEARN
Drill and blast, explained plainly
Short pieces on the ideas behind the tools and the questions we get asked most. Written for engineers, shotfirers and supervisors, not for a textbook.
LEARN BY WATCHING
The Academy
Fifteen live lessons
The physics behind every tool in the suite, as live simulations with the governing parameter on a slider. Best on a laptop or larger screen.
Open the Academy about Fifteen live lessons
Short reads
What powder factor means, and what it does not
The number everyone quotes, what it actually measures, and the three things it hides.
Read about What powder factor means, and what it does notScaled distance, the number behind vibration limits
Why distance and charge per delay are combined into one number, where the K and β come from, and why the generic values are not yours.
Read about Scaled distance, the number behind vibration limitsPattern rules of thumb, and when they fail
Where the burden-in-diameters and spacing-to-burden ratios come from, and the situations that break them.
Read about Pattern rules of thumb, and when they fail
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Ask it. If it is a good one, it becomes the next piece.