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Old 27 November 2003, 17:08   #1
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Garmin 160 Blue & Alternatives

I put a 160 on my boat last summer, but from the start it has lost signal at speeds over about 12kts. The transom mount transducer is located properly, and does not "flip up" at speed. Sometimes it works up to 17kts, but it invariably goes at some point. If I slow to a halt the signal returns. A search of this forum revealed that garygee and Alex Brown had similar experiences with the 160. I emailed them - Alex still has a problem, garygee has given up and got a Lowrance X51.

Has anyone else had this problem, and solved it? Alternatively, what fishfinders are members using that are problem free?

Hope someone can help.

Mike

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Old 27 November 2003, 17:23   #2
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Interesting - I thought the guys had sorted it all out.

Anyway, I have a Lowrance x-something or other and it works very well. 20, 30, 40 kts and it gives a reading. Accurate? I don't know... all I know is I haven't run aground - yet!

I think my Lowrance is discontinued (I don't claim credit for product selection - it came with the boat) but I'll look for a link to something similar in a minute.

Jeez - these guys want 230 for the unit: http://www.fym.co.uk/Electronics.htm

Dunno if this is the same or a cheap imitation: http://www.compass24.com/cgi-bin/abn...cs_Fishfinders
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Old 27 November 2003, 17:36   #3
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Send a message via MSN to Alex Brown
Yeah, it does have 'issues' between around 15 and 25knots..... usually generated by what I can only make out as something like a pocket of air. I don't think I'll ever get around it cos of the deep 'v' hull which affects it somewhat. I'd like to mount the depth transducer in the bilge well, but there isn't much room there with the bilge pump as well.

To be honest, it doesn't bother me too much, and when I'm in shallow areas, I'm not bombing around anyway. It has worked perfectly most of the time this year with the exception of the transducer popping up every so often in rougher weather due to it thinking it's on a beach

I may replace the large transducer for a smaller one (like I had on my previous 160 Blue) next year, but for now it can stay as it is.

-Alex
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Old 27 November 2003, 17:42   #4
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Hi,
Can you post a photo of it, then will try to help.
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Old 27 November 2003, 17:46   #5
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I can probably get you a pic in the dry, but as for when motoring along, I've not been brave enough to hang over the back with the digicam yet......

Will get a few snaps tomorrow.

-Alex
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Old 28 November 2003, 00:54   #6
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I used a garmin 100 with an internal transducer,sikoflexed in to the stern well on a ribcraft 4.8,as a temporary arrangement,worked fine at all speeds that the boat was capable of,but had some problems getting reception in shallow muddy creeks 3-6 ft deep
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Old 28 November 2003, 18:24   #7
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Quote:
Originally posted by marknj
Hi,
Can you post a photo of it, then will try to help.
I won't be on the boat again until the 14th but I'll post a shot (of the transducer) then. Don't think it will shed much light though.

Mike
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Old 29 November 2003, 10:26   #8
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Hi,
It's just the position of the TDCR in relation to the shape of the hull. 'A picture tells a thousand words' and all that. I have sorted several with problems, all due to TDCR position.

Cheers
Mark.
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Old 30 November 2003, 17:50   #9
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I'm having the same problem with 'top banana' which is running a garmin depth transducer.

I've also had the same problem with another Gramin - not yet solved.

Grayswish always ahd lowrance / eagle depth sounders (like Blue Ice's) which worked fine at all speeds!

Picture en-route Mark, i would appreciate any help you could give!
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Old 04 December 2003, 18:06   #10
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The Gods (wife and 3 kids) have looked kindly upon me (you try disappearing for 2 days, 3 weeks before Christmas) so I'll be on the boat on Saturday.

Mark - I'll take a few shots, although as she's in the water I'm still not sure they will shed much light......

A friend has the same boat, so if he's out I'll take a shot of his hull so you can see the profile etc.

Daniel - would appreciate seeing your pic also. Email me directly or post here.

Mike
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