How a hammer can generate enough heat to start a fire



    by EquivalentAd2135

    30 Comments

    1. Mikaeli, you have successfully hit metal 17 times! You are now proud owner of… photograph of motorcar.

    2. UnrequitedFollower on

      Even the way he crushed the wood gave me pause. I feel like I’d destroy my fingers… all spread out like that. Props to his level of skill.

    3. I need to get my 300kg anvil and 5kg forging hammer out of storage.

      I think I put them in the attic.

    4. You should feel how hot my under desk cycle gets after ive been using it for a while and have the friction turned up

    5. That’s very much like my penis after a sustained bashing. It can never be in close proximity to anything flammable.

    6. Similar to if you take a metal spoon and bend it back and forth alot, the metal will get pretty hot. Very interesting stuff.

    7. I mean a spark is literally burning steel although small its hot, real hot it just dissipates its heat fast due to it’s size.

    8. Fire-starting aside, even though I understand the physics, it never occurred to me that pure muscle power could bring a piece of steel to forging temperature without a furnace. Neat. 

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