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Go Back   SailNet Community > Skills and Seamanship > Learning to Sail
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  #11  
Old 07-27-2008
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Like everyone says, add a foot. Still keep your fingers crossed because there are only two kinds of sailors: Those who have run aground and those that haven't run aground yet.
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  #12  
Old 07-28-2008
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Quote:
Originally Posted by paulk View Post
We have our depth sounder calibrated to show how much water there is BENEATH the keel. Since we draw 6'9", in 8 feet of water, it shows 1.25'. With the alarm set to whenever there's less than 5' of water beneath the keel, we tend to avoid running aground most of the time.
PaulK,

That wouldn't work too well for us. We have a 5' draft boat, but here in the Chesapeake we can sometimes sail for miles with only a foot or two of water beneath it. Sometimes we never see more than 10' of water during a sailing outing -- that alarm would be bleeping the entire time!!

We do have our sounder calibrated for depth below the transducer, with the transducer mounted approx 1.5' below the waterline -- just enough fudge factor to keep us out of trouble, usually!
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  #13  
Old 07-28-2008
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You can probably bet that your boat does NOT draw what it said it did at time of purchase. Manufacturers lie and it does not account for all your gear. Best thing to do is shoot the depth with a handheld. Then look at your depth meter reading. Subtract the two. That is your offset. If you can guess what your draw is then you will now know when things get "uncomfortable".

If you don't have a handheld, buy one if you plan to stay in S Florida and enjoy exploring. We took ours in the dink and would shoot channels we thought we MIGHT get into (from the dink of course). Many times we were suprised and it saved us a lot of calls to Tow Boat!

- CD
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