Thanks Rick,

Yes, the flap alone was worth the change in transducers. Now I don't
hesitate to pull out the speedo for cleaning or when the boat is not used
for a week or so. I have the procedure down to a three paper towel job.

Richard Cassano

-----Original Message-----
From: owner-baba-l@ballreich.net [mailto:owner-baba-l@ballreich.net] On
Behalf Of Richard B. Emerson
Sent: Monday, February 13, 2006 9:18 AM
To: baba-l@ballreich.net
Subject: Re: [Baba-L] knot meters (trade wind sailing)

Airmar can be checked out at http://www.airmar.com/.

One noteworthy feature in changing from Datamarine to Raymarine:
Raymarine's through-hull includes a flap that greatly reduces the flow
of water when pulling the transducer. It doesn't seal completely, but
what used to be a near geyser (with the fully open Datamarine
through-hull) is reduced to a far more managable flow rate.

Cheers,
   Rick

Richard Cassano wrote:

>[...]I did a complete change over of instruments transducers a few winters
back.
>Here is what I found: "Most major brands" of instruments use Airmar
>transducers with a 2" diameter through hull. [...]
>


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Received on Mon Feb 13 08:17:49 2006