A single transducer is fine. Airmar makes them for all brands. To enlarge the thruhull plug the hole with a piece of soft wood and drill a new hole.
Joel On Tuesday, October 15, 2013, David Donnelly wrote: > Now that my season is over I am starting on my list of winter projects, > one of which is adding new instruments. I had been considering a Raymarine > package of speed depth and wind but the Nexus NX looks very good for my > needs as well. I won't have a chart plotter installed (only lake sailing) > so I don't need the capabilities that most of the listers would require. I > sailed all summer with an antiquated depth gage which I didn't trust and my > hand held GPS. Didn't find the bottom so thats good but I didn't like not > knowing how deep the water was. > > My first question is regarding the wireless wind transducer on the Nexus > system. Wireless is everywhere nowadays so I am sure that it isn't bad but > I wonder about things like maintenance and battery life. The Raymarine gear > is wired for all the transducers but I find it appealing not to have to > fish a cable through the mast. Any experience on the list with wireless > instruments and/or specifically this brand. > > Second question, I have a speed transducer now as well which is worn out, > and a separate thru hull for the depth. What are the opinions of the list > regarding the single larger transducer or having separate speed and depth. > I don't know the diameter of the existing I am hoping to use the same > locations if possible. Can these thru hulls be enlarged? > > Regards, > > David Donnelly > C&C 26 Mistress > > On 09/10/2013 3:46 PM, Dennis C. wrote: > > I have the old Nexus instruments and have been very pleased with them. > Put them on the boat in 1999. Only failure was a knotmeter transducer. > That may have been due to my practice of removing the transducer after > every sail. The transducer had no stress relief where the wire came out of > the transducer. The wire or shield may have broken at the interface. I > slipped a couple pieces of heat shrink down the cable, shrank them at the > interface then poured epoxy around the heat shrink. Cured the problem. > > Dennis C. > Touche' 35-1 #83 > Mandeville, LA > > > On Wednesday, October 9, 2013 4:39 PM, Frederick G Street > <f...@postaudio.net> wrote: > > Bob -- what instruments are you replacing? Speed/depth? Wind? > > If you want true NMEA2K displays, you only have a few choices; Raymarine > i70 (technically SeaTalkNG, but talks to NMEA2K), Garmin GMI10, Furuno FI50 > (*not certified* NMEA2000, but will talk to NMEA2K) or Simrad IS40. As > far as I know, the Nexus systems still use a central "server" that all > displays and transducers connect to (Nexus is now owned by Garmin). A true > NMEA2000 system would have all the displays and transducers connected to > the NMEA2000 backbone. > > Raymarine has a reasonably-priced way to do that using older non-NMEA2K > transducers; it's the ITC-5, and will accept inputs from older Raymarine > depth, speed, wind and rudder transducers, then put all that data into > SeaTalkNG form (also readable by NMEA2K). List is $265 (you can get for > under $250). Add a couple of i70 displays for $535 list ($460) and a > SeaTalkNG cabling kit and you're done, assuming you have the transducers > installed in the first place. > > Simrad has a depth/speed/wind package with all transducers, backbone > cabling and ONE IS40 display for a list of $1599 (you can get it for around > $1200). Add another IS40 display for a list of $599 (around $450). > > Furuno doen't have a very good track record so far with their NMEA2K > instruments; you don't see too many around. And Garmin has the display, > but not so much for NMEA2K transducers. > > Maybe others on the list have some comments on the Nexus systems; but > that > > -- Joel 301 541 8551
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