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#400268 - 04/25/08 07:07 PM Depth Finder or Fish Finder  
Joined: Oct 2006
Posts: 26
Knomad Offline
Ensign
Knomad  Offline
Ensign

Joined: Oct 2006
Posts: 26
Lake Winnipesaukee, NH
The depthfinder on our older Four Winns has been giving us eronious reading and I'm thinking of replacing it with an inexpensive fish finder rather than a new depth finder. Our boating is all on lakes which all seem to have a number of shallow rocks. How well does a fishfinder work as a depth finder?


Knomad Jr . . 2007 Four Winns 240 Horizon
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#400269 - 04/25/08 07:27 PM Re: Depth Finder or Fish Finder [Re: Knomad]  
Joined: Jan 2003
Posts: 15,093
Al Offline
Nautical Alchemist
Al  Offline
Nautical Alchemist
Grand Poobah

Joined: Jan 2003
Posts: 15,093
Vagabond Wanderer from Mich.
A fish finder can function as a depth finder. What fish finder are you looking at?


President and CEO - Napmoor and Doolittle.


2004 Mercury 270 Dinghy.
2016 Grand Design Reflection 29RS 5th Wheel
2016 GMC Sierra 2500HD SLT 6.6L Diesel

previous boats:
1995 Carver 325
1999 Four Winns 268
1999 Four Winns 225
1996 Rinker 180
#400456 - 04/26/08 09:46 PM Re: Depth Finder or Fish Finder [Re: Al]  
Joined: Jan 2004
Posts: 1,834
Lowrider78 Offline
Admiral
Lowrider78  Offline
Admiral

Joined: Jan 2004
Posts: 1,834
Newton Ks
I'm really happy with my Hummingbird 610 depth-meter. Works great, and actually DOES keep reading untill at least 60MPH. This year will be year 3.

Seems very accurate every time I have checked it (in shallows).

Epoxied mine inside the lowest part of my hull, right next to the jet pump intake, R/H side, looking thru the 'glass.


That streak that howled by? That was me. Did ya like the roostertail? Big Blocks and Jets Forever
1978 Hawiian 20' Bowrider, 454, Dominator pump
1990 Magnum Mach 1 24' Cuddy Cabin Cruiser, 454, Bravo 1 drive.
1993 Suburban 454 tows the Mach 1 to water.
2001 Blazer 4x4 4.3L gets the Hawaiian wet.
#400477 - 04/26/08 11:46 PM Re: Depth Finder or Fish Finder [Re: Lowrider78]  
Joined: Nov 2006
Posts: 4,532
trooplewis Offline
Admiral
trooplewis  Offline
Admiral

Joined: Nov 2006
Posts: 4,532
San Diego
I highly recommend the Navman 4380 fishfinder. About $225 online, and for $140 more you can add a fuel flow meter to it that give you all kinds of info, including mpg, gph, range and gallons remaining.

It also has an integrated speedometer, water temp sensor, voltmeter, sonar and mileage log, and with the connection accessory can interface with SmartCraft Merc sensors.


#400520 - 04/27/08 11:16 AM Re: Depth Finder or Fish Finder [Re: trooplewis]  
Joined: Oct 2006
Posts: 26
Knomad Offline
Ensign
Knomad  Offline
Ensign

Joined: Oct 2006
Posts: 26
Lake Winnipesaukee, NH
I was thinking of something pretty basic like the Hummingbird Piranha Max series.


Knomad Jr . . 2007 Four Winns 240 Horizon
#401285 - 04/29/08 09:16 PM Re: Depth Finder or Fish Finder [Re: Knomad]  
Joined: Nov 2003
Posts: 15,692
GoFirstClass Offline
Retired Boating Bum
GoFirstClass  Offline
Retired Boating Bum
Grand Poobah

Joined: Nov 2003
Posts: 15,692
Pasco, WA
Keep in mind that NO depth finder or fish finder will show you a shallow rock. They will show what's directly below the boat so just about the time your lower unit finds the shallow rock your depth finder will show you it's there.


"Beachcomber" 1995 Sea Ray 550 Sedan Bridge


Anchor's down......Bottoms Up!
#401303 - 04/29/08 11:04 PM Re: Depth Finder or Fish Finder [Re: GoFirstClass]  
Joined: Dec 2005
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Lambert Laker Offline
Admiral
Lambert Laker  Offline
Admiral

Joined: Dec 2005
Posts: 7,409
MD
I chose a $100 depth/fishfinder over a $100 dial depthfinder.
The options and window were nice on the fishfinder vs. just numbers on the death gauge.

My Humminbird Piranha Max 15 install two years ago: Link


LL

"Common Sense is not common to everyone"
#401309 - 04/29/08 11:42 PM Re: Depth Finder or Fish Finder [Re: Lambert Laker]  
Joined: Nov 2006
Posts: 4,532
trooplewis Offline
Admiral
trooplewis  Offline
Admiral

Joined: Nov 2006
Posts: 4,532
San Diego
Quote:
They will show what's directly below the boat so just about the time your lower unit finds the shallow rock your depth finder will show you it's there.


Yup, the lower unit is much more accurate at locating submerged objects than the depth finder is. Gets your attention much quicker as well.

#401338 - 04/30/08 08:30 AM Re: Depth Finder or Fish Finder [Re: trooplewis]  
Joined: Mar 2004
Posts: 8,609
deepv Offline
Safety Officer
deepv  Offline
Safety Officer
Admiral

Joined: Mar 2004
Posts: 8,609
SoCal
You would know!!


72% of fatal boat accidents are caused by
boaters that haven't taken a safe boating course.

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#404120 - 05/10/08 01:33 AM Re: Depth Finder or Fish Finder [Re: deepv]  
Joined: Nov 2006
Posts: 120
tglee Offline
Captain
tglee  Offline
Captain

Joined: Nov 2006
Posts: 120
PA
I love my Humminbird 717. It was less then $200 and uses NMEA 0183 for communicating with my GPS and other devices.

Humminbird 717


"Democracy is two wolves and a lamb voting on what to have for lunch. Liberty is a well-armed lamb contesting the vote."

MMSI# 338052622
#404122 - 05/10/08 01:39 AM Re: Depth Finder or Fish Finder [Re: tglee]  
Joined: Jun 2004
Posts: 9,088
Silverbullet Offline
Admiral
Silverbullet  Offline
Admiral

Joined: Jun 2004
Posts: 9,088
Boise, ID
I had a Cuda 240 on the Monty. It was nice as it had GPS, water temp and depth all in one.

Since you are replacing, go with a fishfinder.


James
2002 Cobalt 226 VP 8.1GIDP
2007 Chevy 2500HD Crew Cab Duramax
1988 Suburban 3/4 Ton
2000 Subaru Forester



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