Re: sonar
Eric Pederson (eric@winternet.com)
Wed, 17 Feb 1999 11:57:22 -0600 (CST)
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West Wight Potter Website at URL
http://www.lesbois.com/wwpotter/
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It has been rumored that HTM said:
>
> I enjoy sailing in Georgian Bay (eastern half of Lake Huron) where
> everything is solid rock. Often the bottom will rise from great depths
> to semi-submerged walls of granite. Navigation is sometimes akin to
> walking a mine field. I was wondering if it would be possible to use
> a fishfinder to "look" forward as well as down....so that I could know
> when I was approaching one of these boat-stoppers. Something that
> only looks down doesn't allow enough reaction time. If the trans-
> whatchamacallit were tilted forward and were up closer to the bow
> (perhaps at the front of the keel) maybe it would give me <a little> time
> to react.
There are some look-ahead sonars on the market. I forget who makes them,
but they are in the Boat/US catalog. Pretty pricey as I recall, compared
to standard fish finders.
--
Eric L. Pederson
P-19 #970, Necessity
Bloomington, MN