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On 14 Feb 2004 08:31:00 -0800,
(Richard Malcolm) wrote:

it is that time of year again. I have a 25' four winns that I keep in
the water for 8 months or so. When it is not in the water it is at
some marine storage area. Since I don't own a trailor, I have my local
four winns people winterize it. Since I don't have a trailer, I must
get everything that needs to be done to it when it is out of the
water, done now.
I have a Garmin GPS/Sounder and a small round in-dash depth finder.
The built in round one hardly works and the Garmen works poorly at mid
to high speeds. My mechanic says that they all do that, but he suggest
replacing the in-dash one with a new one and new transducer, perhaps a
hummingbird. "Total cost for parts and labor around $400."

What do you poeple think?

Where are the transducer's located? If it's through the hull or
hanging off the sterm, you need to make sure the transducer's are
shooting through a water column and not through air. Transducer
mounting is pretty clear - you need to have the transducer in
non-aerated water all the time for it to work properly at high speed.
If the transducers are located in the hull, make sure at plane that
their position is within the area of relatively undisturbed water -
same with a sterm mount.

By the way, tell your mechanic that they all don't do that - on both
my Contender and my Ranger, the transducers are mounted in hull, work
great and never miss a beat even at 50 mph.

Later,

Tom
S. Woodstock, CT
----------

"Fisherman are born honest, but they get
over it." - Ed Zern

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