I never stuck around long enough to get a good time estimate, and when I did it myself, I already had a good idea where what I dropped was, so it didn’t take long. How long it takes depends on how much crap is on the bottom that you have to check. Then you pull along the bottom, until you feel thru the rope that the hook caught something. How deep is determined by dropping it in, and when it hits the bottom, the rope stops uncoiling. They are three prong hooks coming out at 120 degrees from a central shaft. I’ve seen it done in searches, and have done it myself using improvised equipment to look for things (not bodies) I’ve dropped overboard. OK, Cheshire Human, what do these grappling hooks look like? Where can I find a picture of one? Have you done this yourself or read about it?Įither way, how do they know how deep to drop these grappling hooks? How do they know when they “snag something”? Can they just somehow tell by the tension on the line? How do they know it isn’t a rock or a log or a smallish alien spacecraft? How long does it take to drag, say, a one-acre pond? If it snags something, pull it up and see if it’s the body you are looking for. Generally grappling hooks on the end of rope.
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