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post #1 of 12 Old 01-27-2011 Thread Starter
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Raymarine or Garmin?

After our recent experiences during Geelong Week, the wife has allowed me to think about getting some instrumentation. Based upon the space available and what I have now, I need something that will do Depth/Speed and Wind back to (ideally) a single cockpit display. I know this is possible using someone's NMEA2000, but am looking for some guidance on what to avoid.

Raymarine ST70: It seems the ST70 can do this for mega$$ using multiple "pods" and chunky connectors - I can't afford the space or the money.

Raymarine ST60: The ST60 Graphic can do this - but only if the data is served up to it over Seatalk. I assume this could be from ST40 instruments down below? But if I'm going to buy ST40, I might as well forget the display, save the $$$, and fit the chunky things in the cockpit.

Garmin GMI10: Exactly the same size as the Navman Depth I plan to lose, and SEEMS like it could do this.. but looks a bit ordinary and Jamestown Distrib don't sell them. Has anyone used one of these units??

Simrad have a "Graphic" that can do this, but they don't seem to sell the transducers separate from the displays, making for a really expensive system.

Looking for some suggestions from you guys.

Thanks,
Cameron

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"Honestly, I don't know why seamen persist in getting wrecked in some of the outlandish places they do, when they can do it in a nice place like Fiji." -- John Caldwell, "Desperate Voyage"
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post #2 of 12 Old 01-27-2011
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Why do you need to do this on a single display. It would make more sense to use two displays—one for the speed/depth and one for the wind. Otherwise, you have to keep switching between the two.

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post #3 of 12 Old 01-27-2011
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It would be helpful if we had some idea of what you currently have and what you want to keep.

If it were me, I would look long and hard at the TackTick line of instruments. They are solar powered, and connect to the transducers via WIRELESS networking (easy installation). In addition, they support NEMA (0183, I believe), so that you can network them with other vendor's products.

The T110 and T111 dual line displays can display all this data;
Quote:
Apparent Wind Speed/Angle
High Wind Alarm
True Wind Speed/Angle
True Wind Direction
VMG to Wind
Header or Lift Indicator
Heading
Off-Course Alarm
Tack Course
Boatspeed
Log
Trip Log
Average Speed
Max Speed
Speed Over Ground
Course Over Ground
Lat/Long
VMG to Waypoint
Distance/Bearing to Waypoint
Turn to Waypoint
Cross Track Error
TTG
Waypoint and XTE Alarms
Depth
Shallow/Deep Depth Alarm
Sea Temperature
Race Timer
See T110 Digital Display
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post #4 of 12 Old 01-27-2011
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The hull transducers for speed and depth/temp connect to a wirelss transmitter that powers the transducers and transmits the information to the displays. The wind transducer is also wireless and transmits directly tot the displays. They make an NMEA 0183 interface that allows you to input/output NMEA 0183 data from/to the instruments, and it works quite well.

I have the TackTick instruments on my boat, and the displays are actually installed on an opening port as you can see in this photo....



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Originally Posted by eherlihy View Post
It would be helpful if we had some idea of what you currently have and what you want to keep.

If it were me, I would look long and hard at the TackTick line of instruments. They are solar powered, and connect to the transducers via WIRELESS networking (easy installation). In addition, they support NEMA (0183, I believe), so that you can network them with other vendor's products.

The T110 and T111 dual line displays can display all this data;


See T110 Digital Display

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—Cpt. Mal Reynolds, Serenity (edited)

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post #5 of 12 Old 01-27-2011 Thread Starter
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I don't have a decent picture of the cockpit bulkheads, since it's hardly the most attractive part of the boat - this is the best I can find:

Raymarine or Garmin?-image_528.jpg

What I have now:
1. A Navman 3100 Depth display with no transducer.
2. A Raymarine B744V DST transducer not connected to anything.

I plan to lose the Navman, but whatever I buy MUST use a B744V transducer. More holes and mods to the hull of a 60-year old yacht is simply not an option. These transducers are made by Airmar and come in several flavours:

1. Raymarine
2. Garmin
3. Furuno
4. Lowrance

Raymarine have a Fishfinder and an Instrument version. The Garmin one is an Instrument only version. I believe (maybe I'm wrong) that the last two are for Fishfinders.

AIRMAR Electronic Catalog

I'm not fussed about switching from Wind to Depth/Speed - actually, both Raymarine ST70 and Garmin GMI display both at once, so that point is irrelevant here. Tacktick would be ok if (a) it weren't so darned expensive, (b) they had some capability to connect to a B744V triducer and (c) they didn't insist on multiple displays like most everyone else.

It seems my cheapest option might be to cobble up a 2-display Raymarine ST40 solution, but that seems like a backward step if for an extra hundred$ or so I could get something NMEA2000-compatible and "modern".

Has anyone here used the Garmin GMI10 instruments? Does anyone know/have used Furuno or Lowrance instruments??

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"Honestly, I don't know why seamen persist in getting wrecked in some of the outlandish places they do, when they can do it in a nice place like Fiji." -- John Caldwell, "Desperate Voyage"

Last edited by Classic30; 01-27-2011 at 04:33 PM.
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post #6 of 12 Old 01-27-2011
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I'm not sure which ST70 you're pricing, but the standard ST70 multifunction display is the same price (<$450), if not less expensive, than the Garmin GMI10. Also, the STng connectors (which are NMEA2000 for all intensive purposes) are not big and bulky - they are fairly small. I'm personally a fan of the new Raymarine E series hybrid touch chartplotters (best of both worlds - touch screen AND hard buttons), so if I was thinking about getting a chartplotter at a later time I'd go Raymarine. However, it doesn't sound like that's relevant to you, so I think it's six of one or half dozen of the other.

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post #7 of 12 Old 01-27-2011 Thread Starter
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Originally Posted by labatt View Post
I'm not sure which ST70 you're pricing, but the standard ST70 multifunction display is the same price (<$450), if not less expensive, than the Garmin GMI10. Also, the STng connectors (which are NMEA2000 for all intensive purposes) are not big and bulky - they are fairly small. I'm personally a fan of the new Raymarine E series hybrid touch chartplotters (best of both worlds - touch screen AND hard buttons), so if I was thinking about getting a chartplotter at a later time I'd go Raymarine. However, it doesn't sound like that's relevant to you, so I think it's six of one or half dozen of the other.
That IS relevant.. Thanks, labatt

I don't have the $$, space or need for an E-series display (although the DST transducer I have would plug straight in!) since it's a little too large for the cockpit. Over here the Garmin instruments are slightly cheaper, but with the dollar the way it is, I'd likely buy from the US anyway.

I haven't been able to download the Garmin manual to see how complex (or otherwise) their system is..

What's the ST70 like to install and use??

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post #8 of 12 Old 01-27-2011
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I would highly recommend going to a boat show to see what the various plotters do and what they look like before buying one. There is no way to really tell from brochures and manuals. I did that and got a Garmin plotter and have been very happy with it. But do be sure to see whatever you get in the flesh before putting money down

by the way, i HATE touch screen plotters. you cant touch them without messing up your display. it sounded nice in theory but in practice on moving boat i cant stand them. others like them though.
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post #9 of 12 Old 01-27-2011 Thread Starter
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I would highly recommend going to a boat show to see what the various plotters do and what they look like before buying one. There is no way to really tell from brochures and manuals. I did that and got a Garmin plotter and have been very happy with it. But do be sure to see whatever you get in the flesh before putting money down
Good advice.. will do. Any excuse to attend a boat show.

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post #10 of 12 Old 01-27-2011
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Just keep in mind that whether you go Garmin, Raymarine, TackTick, etc., you'll have to get a module that goes between the transducer and the display. This usually lives close to the transducer and then connects to the display using NMEA2000 or an equivalent for non-NMEA2000 devices. I like the ST70 but I also hear good things about the GMI10. Honestly, the instrument choice usually comes secondary to the chartplotter choice. You *usually* go with the same brand of instruments as your chartplotter. This is becoming a bit more fuzzy with NMEA2000 though, and in your case it sounds like you're not looking for a chartplotter so the instrument brand becomes less relevant. There are some good articles on both units, and some alternatives, at Panbo: The Marine Electronics Weblog - just do a search for ST70 and for GMI10. I don't know if you have an equivalent to West Marine down under, but here in the US they usually have both units on display. Things to look at are button placement, button size, display readability, power draw, etc. BTW - some of the newer Garmin GPS units (like the $399 GPSMap 421) can connect to a NMEA2000 bus and display instrument information. You can then use NMEA2000 sensors from many different manufacturers (including Maretron) and integrate them into a combo GPS/instrument display.

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