New head unit will probably be NMEA 2000. You would need to splice the wires.
Joel On Thursday, November 26, 2015, Joe Della Barba via CnC-List < [email protected]> wrote: > NMEA units or combo speed depth and temp units aside, a basic 200 KHz > transducer is pretty good for a wide variety of depth finders. My > transducer > dates back to the 1970s and I think I am on about the 5th depthfinder since > then. It still works fine. > > Joe Della Barba > [email protected] <javascript:;> > > Coquina > > HAPPY THANKSGIVING > > -----Original Message----- > From: CnC-List [mailto:[email protected] <javascript:;>] On > Behalf Of Hoyt, > Mike via CnC-List > Sent: Thursday, November 26, 2015 8:24 AM > To: [email protected] <javascript:;> > Cc: Hoyt, Mike <[email protected] <javascript:;>> > Subject: Re: Stus-List substitution of depth transducers > > I will second that. Last year I installed i50/i60 to replace the old B&G > 1000 system on the boat. It was difficult but not impossible and really > not > all that long a time to remove the old transducers. There is usually a > flange on the exterior which I cut under with a sharp knife and then I > slowly pried them out. Along with the prying from outside I also placed a > block of wood over the edge of transducer inside and tapped (rather hard > tapping) with a hammer. They came out without damage to either transducer > or > the boat. After removal I subsequently found out that the transducers > themselves were only 2 or three years old despite the instruments being > antiques. Oh well. > > The holes on the old transducers were smaller than those for the new ones. > I screwed a block of thin plywood in place on the interior to act as a > guide > for the drill bit on hole saw and then drilled out the larger hole. Had I > left the old transducers in place then likely the transducer itself could > have been used for the drill bit of the hole saw .... > > Note that the hull is a whole lot tougher than the transducers. > > Also note that you tend not to change engine oil and leave in old filter so > why would you add nice new instruments and use old transducers that may be > prone to failure other than as a way to avoid hauling a boat to do the > work? > > BTW. Old and especially old and non functioning instruments on a boat are > a > pet peeve of mine. The original owners of these boats spent a lot of time > and money to outfit the boats properly and it is the least we can do when > buying a nice boat for a fraction of its actual worth to treat the old gals > properly. Same goes for 30 year old sails. > > Mike > Persistence > 1987 Frers 33 > Halifax, NS > > -----Original Message----- > From: CnC-List [mailto:[email protected] <javascript:;>] On > Behalf Of Bill Bina > via CnC-List > Sent: Thursday, November 26, 2015 7:47 AM > To: [email protected] <javascript:;> > Cc: Bill Bina > Subject: Re: Stus-List substitution of depth transducers > > If you skip the part where I wasted a lot of time and effort when I tried > to > remove the old transducer with a hammer, and go straight to the holesaw > method, it is a 5 minute job and really not that hard. I would not bother > trying to use the very old transducer. > > Bill Bina > > _______________________________________________ > > Email address: > [email protected] <javascript:;> > To change your list preferences, including unsubscribing -- go to the > bottom > of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > > _______________________________________________ > > Email address: > [email protected] <javascript:;> > To change your list preferences, including unsubscribing -- go to the > bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > > -- Joel 301 541 8551
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