If you don't have a laser level, use a water level (piece of tubing filled with water). Lean a board against the boat. Have a buddy hold the water level so the water is at the bottom of the keel. Mark the water level on the board. Do the same for the waterline. Subtract.
Dennis C. On Wed, Dec 16, 2015 at 10:07 PM, Chuck S via CnC-List < cnc-list@cnc-list.com> wrote: > Hi Andrew, > I use the following method to measure draft in the boatyard. I use a tape > measure or folding rule and a laser level. > I use the watermark waterline on the boat's bottom paint. I set a 2 x 4 > against the side of the boat. Then use a laser level or a string level, to > bring the bottom of the keel out to mark the board, and the waterline to > mark the board, and you measure the difference to get the real draft. > > I found many of the designer stats were bogus. I measured three 4' 10" > draft boats that actually draw 5' 3" or more. A 5" difference would > suggest 5000# of gear aboard. More likely the stats posted were scewed to > sell more boats. > > > Chuck > Resolute > 1990 C&C 34R > Broad Creek, Magothy River, Md > > ------------------------------ > *From: *"andrew rothweiler via CnC-List" <cnc-list@cnc-list.com> > *To: *cnc-list@cnc-list.com > *Cc: *"andrew rothweiler" <andy...@att.net> > *Sent: *Wednesday, December 16, 2015 6:49:07 PM > *Subject: *Stus-List 30-1 keel depth > > Thank you to all for the great responses. I went back to Sailboatdata and > there it was, the very last line at the bottom of the page, shoal keel 4 ft > 2. The owner says he thinks it's the deep keel, but doesn't think it's as > deep as 5 ft. Not sure where 4 ft 7 comes from. > > What is the proper way to measure keel depth? Is it waterline to bottom > of keel? > > Thanks again. > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > > _______________________________________________ > > Email address: > CnC-List@cnc-list.com > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > >
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