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ContinuousWave: Small Boat Electrical
Northstar 6000i Fishfinder
|Author||Topic: Northstar 6000i Fishfinder|
posted 10-27-2009 10:47 PM ET (US)
I have a 2006 255 Conquest with the factory installed option 6000i GPS, sounder and RADAR option. I have had [problems] with the sounder getting poor readings since I got the boat. I am now out of warranty, and didn't use the sounder a lot until this year, when I really got into fishing. My dealer has been great: they have swapped out my 6000i, swapped out my 491 Sounder module, and I put on a new Airman P66 transducer. My dealer swapped out this stuff so as to isolate the problem, and I still have [problems]. I lose bottom even at low speeds less than 6-nautical-miles-per-hour, my pixels become big cubes, my screen will go blank for [unclear] minutes at a time, and forget about a 20-nautical-miles-per-hour fishfinding cruise. I have twin Mercury Verado engines, and my tranducer is mounted where Boston Whaler recommends, on the port side, on the flat bevel right next to the port trim tab. The only thing I have not tried is to move the transducer more to the centerline, against Boston Whaler's recommendation. Any help from you guys would be great! Thanks, Dan
posted 10-28-2009 03:17 PM ET (US)
Dan,I had the same problem with my 2009 235 Conquest and Garmin 4208. I finally had the P66 moved from port to starboard, as close to the centerline as possible ,away from the prop wash and turbulence from the trim tab, and also not in line with a thru-hull. Perhaps against BW's installation recomendations, however now the problem is solved. A local marine electronics retailer/installer made the recomendation to me. If you read the Airmar P66 instructions, it is very clear as where to mount the unit.
posted 10-28-2009 03:48 PM ET (US)
Thanks- was your transducer factory mounted? I assume it was mounted like mine just to the center of the port trim tab...I have twin verados, so I guess because they counter rotate, it doesn't matter if I keep it on the port side...I will move it to the centerline like you said- This really did solve the problem? Immediate difference? How about readings while running? Appreciate your help...Dan
posted 10-28-2009 04:41 PM ET (US)
Dan,unit was dealer installed, according to BW installation guidelines. Yes, an immediate difference was recognized, while at rest and underway. I no longer lose bottom or get big "cubes" that fill the screen.
posted 10-29-2009 04:53 PM ET (US)
I was under the impression that the transom mounted transducer/paddle wheel relayed information to the SmartCraft system/display and that the Northstar received its information from the thru-hull transducer/echo sounder, GPS, Radar, etc. I will say that if I (initially) turn the system on in rather shallow water, I sometimes get really way off depth readings (1100’ vs. 3’) – but turning the system off then back on remedies the problem.
posted 10-29-2009 05:42 PM ET (US)
Looking at the whalerparts.com diagrams appears the transom mounted transducer/paddle wheel is mounted on the starboard side an the dual frequency transducer on the port side. They also show a thru hull for something.
posted 10-31-2009 08:09 PM ET (US)
Guys, I just had my whaler dealer remount the transom mounted airmar P66 today. They remounted it closer to the centerline, but not past the second strake. It is actually where airmar said to mount it. Whaler corporate did not agree, they insist they have it correct. We will see tomorrow when I take it out to the ocean. If it works, I will be happy to email anyone a photo of where they moved it to on my 255 Conquest w/ twin 150's.
posted 10-31-2009 09:43 PM ET (US)
I use a P66 transducer connected to my Furuno 620 FF. I've had three tranducers located in this same location since 2002 ..... all have worked as advertised.
This is my Raymarine DS500 that was connected to an Airmar P58 TM
Some video of the 620 in action.
I've scratched my head more than a couple of times in regards to BW'rs factory installed TM ducers.
Over the last three years I've relocated five to more suitable locations. When it comes to twins with CR props I the tranducer between the motors just to the right of centerline drain. On single engine installs on the 1st strake just to the motor. You don't want the transducer housing below the strake bottom.
I've done one thru hull install on a 32' Outrage. It took me a couple of days to do it.
posted 11-03-2009 11:01 PM ET (US)
I also use a P66 transducer connected to my Furuno 620 FF. The transducer installation pictured below performs well at all speeds with my Outrage 21.
posted 11-06-2009 09:24 PM ET (US)
Hey guys--a quick update on the transducer placement on my 2006 255 Conquest with twin Mercury VERADO 150-HP engines. I can absolutely tell you all that the optimal placement for the transducer is on the starboard side, a few inches off the centerline, just to the right of the center drain. Whaler's factory install of the transducer was in a very poor if not useless position. I moved it below the first strake with better results, but lost bottom when up on plane. After moving it just off the centerline, the improvement was unbelievable. I can mark bottom over 30-MPH, well up on plane, and I could never do this before. It really irks me that Whaler is so wrong with their factory transducer placement with the electronics package on the which they insist is still correct, even though Airmar disagrees. This has caused me so much aggravation, time and fish, and they need to remedy this problem. The folks at Airmar (transducer) were great in helping me find optimal placement; it really is as they say that you should place these as close to centerline as possible. The reason we placed a few inches starboard of the centerline is that there is a water discharge fitting on the port side of the 255. Other than that, with counter rotating props, port or starboard should not matter. If you have one engine, you want to be on the starboard side a few inches off the centerline. I hope this post can help others deal with their Northstar Sounder issues. I always thought it was a Northstar problem, when it was really a transducer placement problem, which Whaler needs to correct. Thanks to all of you that helped me! Dan
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