Thanks for your comment! The calculation of anchor shackles can vary depending on the preferences of the master, especially when the seabed is not a good holding ground. While some may use the formula you mentioned in good weather conditions, others might adjust based on factors like seabed conditions and expected weather changes.
The constant 90 in the formula represents the length of one anchor shackle in feet. In anchoring practices, a shackle is a standard length of 90 feet, which is why we use this number to convert the required anchor chain length into shackles. This makes it easier to calculate how many shackles of chain should be dropped for safe anchoring.
There are several formulas to find the scope of the anchor, others use the numerical ratio to find the number of anchor shackles to be dropped depending on the weather conditions. You can use any method that you prefer as long as you comply with the company's Quality Management System (QMS) Manual.
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Easier formula for good weather is √depth or for bad whether √depth + 1 shackle. Result you will get directly in shackles.
Thank you.
amazing keep it up sir.
Thank you.
Very clear explanation, ty Cap
Thank you.
some captains i show they use depth of water*3 +90/27.5 in good weather conditions
Thanks for your comment! The calculation of anchor shackles can vary depending on the preferences of the master, especially when the seabed is not a good holding ground. While some may use the formula you mentioned in good weather conditions, others might adjust based on factors like seabed conditions and expected weather changes.
Cool your classes
Thank you.
coloque nombre a cada parte del ancla x favor
I will make a seperate video about the parts of the anchor. Thank you for your comment.
Good
Thank you.
What is the constant 90?
The constant 90 in the formula represents the length of one anchor shackle in feet. In anchoring practices, a shackle is a standard length of 90 feet, which is why we use this number to convert the required anchor chain length into shackles. This makes it easier to calculate how many shackles of chain should be dropped for safe anchoring.
What meaning constant 90? Is that in meters or ton?
Is that all ships will be same constant 90?
There are several formulas to find the scope of the anchor, others use the numerical ratio to find the number of anchor shackles to be dropped depending on the weather conditions. You can use any method that you prefer as long as you comply with the company's Quality Management System (QMS) Manual.