Channel: FarmCraft101
Category: Howto & Style
Tags: spark testmetallurgymetal workingspark testing
Description: Spark testing is a very useful metal working skill, and the physics behind it is fascinating. Slow motion footage of it is more fascinating still! This video answers some questions, and asks others. Can you answer? Comment below. Quiz answers: Sample 1: Tool steel (very similar to railroad spike & high carbon samples) Sample 2: Cast iron Sample 3: Titanium Sample 4: High carbon (very similar to railroad spike and tool steel) Sample 5: Mild steel Sample 6: Medium carbon Sample 7: Railroad spike (very similar to tool steel and high carbon) Facebook: facebook.com/FarmCraft101 Patreon: patreon.com/FarmCraft101 Buy me a coffee- or a beer! buymeacoffee.com/farmcraft101