Aw, shucks.  I'd like to thank........................

Really, guys, there are quite a few on this list who are happy to share
their knowledge and insights.

Let's not forget Stu who makes it all possible.

Dennis C.

On Thu, May 25, 2017 at 8:09 PM, Lee Youngblood via CnC-List <
cnc-list@cnc-list.com> wrote:

> Hi All,
>
> I’d like to take a moment to thank Dennis, and consider nominating him for
> a Wally Award.  Every year we have folks who go just a little further, ok
> some say over the top, but really, they just want to figure out a way to do
> a good job, just a little better.
>
> I came into this list when Wally and Jim were the pillars, folks you could
> count on for real help, and a good example of how to do a boat project
> well.  While Wally is off cruising in Mexico and Jim semi-retired, folks
> like Dennis have stepped up to make this list the great list it is for the
> rest of us.
>
> We owe them a big thanks for keeping the Wally story going. . .
>
> OK, Yes, I missed a lot of good folks, this was just a good example this
> week. Please no flames. . .
>
> Thanks, Lee
>
>
> On May 25, 2017, at 5:33 10PM, Dennis C. via CnC-List <
> cnc-list@cnc-list.com> wrote:
>
> Not talking moonshine here but the stress relief to keep wires from
> breaking.  Some of you may have a similar issue with some item on your
> boat.  Possibly where insulation on a cable breaks and exposes the wires
> inside.  VHF microphone cable maybe?
>
> I installed a Nexus instrument system on Touche' in 1999.  I remove the
> knot log transducer if the boat is idle for some time.  After a couple
> years of constant handling, the knot log transducer got a bit flakey.  A
> Nexus tech (who now works for Garmin) told me one of the wires in the cable
> where it exits the transducer most likely broken and was making
> intermittent contact.  He said it was because the cable was subject to
> sharp bending at that point.  He told me how to modify the new one to add
> stress relief and prevent recurrence.
>
> Well, that fix lasted many years but during the transit to Pensacola a few
> weeks ago, it acted up again.  I surmised the same problem had occurred.
> My fix may not have been robust enough.  I used electrical tape to
> stabilize the cable and it worked fine for the remainder of the trip adding
> credence to my diagnosis.
>
> I received the new cable today and added beefed up stress relief as
> before.
>
> Here's the fix with pics.
>
> First, the transducer as received.  Note that the cable is epoxied into
> the transducer but a small well remains.  There is no stress relief.  The
> cable is subject to sharp bending where it exits the epoxy.
>
> https://drive.google.com/open?id=0B_sb5TfIENvsaUlBUl9pY0xaV0k
>
> First, I applied several layers of heat shrink.  Note that I tapered the
> layers.
>
> https://drive.google.com/open?id=0B_sb5TfIENvsbURlWkhPdldwYWs
>
> Next, I stood the transducer in a jar, taped it and filled the well with
> unthickened epoxy thus locking the heat shrink in place.
>
> https://drive.google.com/open?id=0B_sb5TfIENvsUTdQdi1KSm9XQjQ
> https://drive.google.com/open?id=0B_sb5TfIENvsZnI2OGQzak1SSEE
>
> Finally I removed the tape.  Final product:
>
> https://drive.google.com/open?id=0B_sb5TfIENvseEtLTGpKS04xT0E
>
> The heat shrink should now prevent sharp bending of the cable where it
> exits the transducer.  (My previous fix only used one layer of heat shrink.)
>
> Dennis C.
> Touche' 35-1 #83
> Mandeville, LA
>
>
>
>
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