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Assuming you are on a boat and you are using a standard sized anchor, then if the water is 20 feet deep you'd use 20 feet of line.
217 - 20 = 197 Therefore, it is 197 feet between the seabed (and anchor) and the sea level.
Using Pythagoras' theorem it is 26 feet
There is no such unit of measurement as an anchor - if you are thinking of acre, this is a unit of area, not of length, and therefore the two units are incompatible.
You are anchoring your boat. The water is 20 feet deep. How much anchor line should you use?
You are anchoring your boat. The water is 20 feet deep. How much anchor line should you use?
60
Assuming you are on a boat and you are using a standard sized anchor, then if the water is 20 feet deep you'd use 20 feet of line.
Assuming you are on a boat and you are using a standard sized anchor, then if the water is 20 feet deep you'd use 20 feet of line.
The length of anchor line is called "Scope" by mariners. The scope of your anchor line should be 5 to 7 times the depth of water that you're anchored in. It should never be less than 3 times the depth. In other words if you usually anchor where the water is 20 feet deep you should have a MINIMUM of 100 feet of line.
60 feet 60 Feet for short term in calm waters. The rules, 3:1 for Short term calm conditions. 5:1 For overnight and attended in normal conditions. 7:1 for overnight, unattended and potential storm conditions example, in 20 feet using 3:1 you need 60 feet... More than 7:1 offers little increase in angle.
The "rode" as it is called, is the the line (rope-with chain attached at the last five to ten feet connected to anchor) or chain (in shots-90 feet), shackles, pins and swivels. These are all instrumental in a proper anchoring of the vessel. The most agreed on method for the proper scope (amount of line) is 5' to 7' of line per foot of depth. Feet should be converted to fathoms for larger vessels and deeper depths. Most larger ships don't have more than 150 fathoms of chain.
217 - 20 = 197 Therefore, it is 197 feet between the seabed (and anchor) and the sea level.
-197 ft.
About 4 feet deep should be good.
Using Pythagoras' theorem it is 26 feet