Dennis:
I use the same method as you, actual offset from the transducer to the
bottom of the keel so the dept shown closely matches the charted depth.
As with you, I don't want to do additional math.
I think my draft is 5' 8".....this Summer, I was in a situation where
the depth instrument was reading 6' 4" .....I know I was that close to
touching bottom, I could see it.
Rob Abbott
AZURA
C&C 32 - 84
Halifax, N.S.
On 2015-12-20 4:03 PM, Dennis C. via CnC-List wrote:
Just curious what listers use for a draft offset and why.
I use the actual offset as measured from the transducer to the bottom
of the keel so the depth shown closely matches the charted depth. I
prefer to compare the depth shown on my instruments to the chart
plotter rather than have to do the math all the time.
I know some owners use an offset so that the instrument shows depth
under keel while others don't use any offset at all.
Dennis C.
Touche' 35-1 #83
Mandeville, LA
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