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selecting chart plotter and transducer help

Old 10-09-2014, 06:20 PM
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Default selecting chart plotter and transducer help

boat is a 2550 bluewater center console, current unit is a furuno that is dated and no longer functional.

here is the dash currently:


and the boat is equipped with a thru hull ducer (similar to this) this is not mine, but appears to be installed identically.



again not mine, but looks the same and is mounted on the keel.



my fishing ranges from nearshore inlets 20% offshore dolphin/kingfish trolling 40% and bottom fishing for red snapper and grouper from 80-280' 45%. the remaining 5% is trolling for tuna or attempting to catch swordfish out deep.


I'd like to re-use the existing ducer if its feasible but my local electronics guy said its probably not worth re-using b/c of drifting frequencies, older technology, and compatibility with newer units.

so far we've looked at garmins, lowrances, simrads, and furuno's. to date, the simrad unit takes the nod on usability and price. our thoughts were to eventually purchases two Simrad NSS7 evo2's and have one hooked up for standard bottom finding and the other setup for side/structure scan. we like the idea of redundancy, and the price for the nss9 is the same as dual 7's.

potential dash layout:



In the future I'd like to replace my current radar and link it into one of the displays as well to get rid of the monstrous CRT unit on top of the console.

please critique any of my ideas and make suggestions...

looking at the following...

dual NSS7 evo2's
iether a B-60 or B-164 transducer (hoping to re-use existing location if possible?)
and an LSS2 for structure scan (do i need any additional add ons for structure scan?).

is a b-164 a good unit, or should i look for something else?

will the thru hulls mentioned make use of chirp well? read bottom well?

Thanks!

Last edited by truculenity; 10-09-2014 at 07:07 PM.
Old 10-10-2014, 03:48 AM
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I have a Garmin 1040xs with a B150M diver and am very happy with the performance.
Old 10-10-2014, 05:41 AM
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Think you have it right on. With your fishing conditions and depths I think the Simrad evo2's would be perfect.
Old 10-10-2014, 09:55 AM
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Looks pretty good so far. Here is my opinion after doing a lot of research. The B164 is the entry level 1000watt ducer. I then explored the paired stainless steel setup (can't remember the numbers) but my bilge could not support two new large thru holes without extensive work and moving other items.

I settled on the TM260. My first though after it was recommended is I don't want a transom mount if I am paying that kind of money. I was convinced to do it, and I could not be happier. The TM260 is believe 50X more sensitive than the B164. The B164 has three elements in it and the TM260 has I believe 8. The best part is it is not much more expensive at all than the B164.

I fish similar depths for all kinds of fish and was marking Button Eye Snapper in 1250 ft. in the Bahamas this last year. And the clarity of the returns was exceptional. Now I am running a Garmin 7212 with a GSD 24 unit, so I am sure that helps my efforts. I'm not too familiar with the units you are looking into.

Good Luck its a solid boat and I have considered one for a year or two, but found an awesome Pursuit instead.
Old 10-10-2014, 10:26 AM
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shoeless, how does ur transom mount mark while running? and fast trolling?

i'd hate to lose that capability.
Old 10-10-2014, 03:24 PM
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In the inter coastal, shallow to 20 ft. I hold bottom at WOT of 48 mph. Offshore I hold bottom no problem at trolling speed and cruise speed easily in up to 400 ft (if not more, I just typically don't go that deep other than my trip to the Bahamas this year). In very rough conditions it will skip just a bit.

While high speed trolling 18-20 mph I am also watching the bottom screen to mark drop offs and ledges in 300-450 ft. and regularly mark spots that I will go back and investigate later.

My installer has done a lot of these and he says the key is in the proper install and clean water coming across it (nothing upstream causing skipping in water conditions)

If you'd like to ask a couple more questions shoot me a PM or see some screen shots here in a video I did of my Bahamas trip: https://www.youtube.com/watch?v=-JnrB81282g

Hit 1:40 for 600 ft. shot of yellow eye snapper on a ledge, 5:25 for grouper in the shallows. I have some others I just need to dig them up.
Old 10-10-2014, 03:38 PM
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Originally Posted by truculenity View Post

looking at the following...

iether a B-60 or B-164 transducer (hoping to re-use existing location if possible?)

will the thru hulls mentioned make use of chirp well?

No. The B60 and B164 are fixed frequency. If you want chirp, check out the B150, B75, and B175.

There seems to be some disgruntled CHIRP customers who target Grouper and Red Snapper. I have a B60 and TM260 and love the setup. But if you want CHIRP, consider getting a B175Wide in High or Medium frequency for fishing pelagics and a TM260 for Snapper and Grouper....best of both worlds.
Old 10-10-2014, 04:00 PM
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Originally Posted by truculenity View Post


my fishing ranges from nearshore inlets 20% offshore dolphin/kingfish trolling 40% and bottom fishing for red snapper and grouper from 80-280' 45%. the remaining 5% is trolling for tuna or attempting to catch swordfish out deep.



dual NSS7 evo2's
iether a B-60 or B-164 transducer (hoping to re-use existing location if possible?)
and an LSS2 for structure scan (do i need any additional add ons for structure scan?).

is a b-164 a good unit, or should i look for something else?

will the thru hulls mentioned make use of chirp well? read bottom well?
Your current ducer is similar to a B744 as far as size etc.

If you are using 2 NSS7evo2 units definatly use a CHIRP transducer.
Beside the thru hull B150, B75 , and B175 already mentioned there are other CHIRP options.

For your depth a dual band B765C-LH is similar in size to your current transducer.
The B765C-LH would be very good for your depths.
High..15 to 9 degrees
Low 32 to 21 degrees.

You can connect the High band to one of your NSs7evo2 units..and then connect the Low band to the second NSS7evo2.
Read both at the same time.


...........................

Or for anyone else using the evo2 units :
You can connect a dual band CHIRP transducer to a single band Simrad evo2...such as a NSs7evo2 etc..and is very simple.

Connecting a dual band CHIRP is possible by using the Lowrance pigtail, 000-10046-001, and connecting it to one single band channel of the transducer.
This means the user can have a B265C-LH etc..and connect either the low or high band of the element direct to the evo 2 via the pigtail.
Or,
If the user has two evo2 displays then the B265C-LH for example... can be used on both by having two Lowrance pigtails and wiring one for low and one for high band.
Keep in mind that when this is done XID needs to be disconnected and the display manually set up for the frequency bands being used.

Last edited by semperfifishing; 10-10-2014 at 04:40 PM.

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