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Potatoswatter t1_j5jjn13 wrote

Reply to comment by CaptainMobilis in Gardener loses four fingers after the grenade he used as the key holder explodes by rocketboy44

Pulling the pin strikes a fuse. Putting it back doesn’t help.

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falcontruth1 t1_j5jrtau wrote

Pulling the pin doesn't strike the fuse. The pin is the final safety locking a lever called the spoon down. As long as that lever is held down, the pin can be reinserted. The lever is under spring tension, and when it flies up, it strikes a primer that ignites the fuse.

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TactlessTortoise t1_j5k0eyp wrote

Wrong. The pin holds the lever in place, as a safety. You pull the pin, and then when you let go of it, the lever itself has a mechanism that scrapes the fuse. Other designs have different mechanisms to time them, but not that one.

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