System Seven™ FM4000 Facemask Durability Testing
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What is the purpose of the slider (the thing that goes life to right out of sight from the camera) the head forms is on - its called a linear bearing table in the Nocsae standards ?
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hwo do you know if the helmets safe tho? i mean it may not break but shock waves still travel....
jacob12721 8 months ago
@jacob12721 The headform that the mask is attached to measures all sorts of stuff ranging from G-Forces through the Severity Index. We use a combination of various readings to determine if the masks are safe. We learn a lot by comparing ball speeds to the impact readings.
AllStarSportsVids 8 months ago