[C320-list] Height of Keel?

[Graeme Clark]

David

No because the 4ft 3in is from the waterline and you need the distance from the transducer which is I think about 18in less!

I did it by taking a guess then in harbour I dropped a weighted line to measure the actual depth of water. Subtract 4ft 3ins from that and that’s what you would like your depth reading be. Adjust the setting on the instrument to match

That’s if you want it to show depth below keel. Personally I have mine set to show actual water depth as this greatly eases the mental arithmetic when looking at charted depths and anchoring. But it’s a matter of personal preference

Graeme
#366

Sent from my phone. Excuse typos! 

> On 27 Aug 2019, at 05:35, David Veeneman <davidv at veeneman.com> wrote:
> 
> I just put in a new depth sounder (actually, a Garmin Panoptix on a Garmin 8610 chartplotter) on my boat and the setup gives me the option of a keel offset, which I want to use. The User Manual (8610 Manual p. 59) says to "measure the [vertical]  distance from the transducer to the [bottom of the] keel." The words in brackets are my interpretation of the instructions. In my case, the transducer is mounted very close to the centerline of the boat, just ahead of the keel, so the height of the keel should give me a pretty accurate offset.
> 
> Sailrite has the keel itself as 4’ 3”. Does that sound right for an offset? Any thoughts or suggestions greatly appreciated.
> 
> --
> David Veeneman
> Dana Point, CA
> SV Adelante, C320 #131
> 
> 
> 
>