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/diy/ - Do It Yourself

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>> No.1464876 [View]
File: 29 KB, 350x350, impact-wrench-cutaway.jpg [View same] [iqdb] [saucenao] [google]
1464876

>>1464855
I just read wikipedia and I get it now. Impact wrenches contain a large rotating mass. This mass is what creates the force. The wrench spins it up and then applies it suddenly.

The reaction force is applied to the mass and not to the body of the tool. So when you hold it, the force is not being exerted on you. It exerts a much higher force than a human is capable of exerting and it does it in a "pulse".

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