Steve,

 

It comes down I can't agree this is great stuff without first hand
knowledge. So yes I'll make a point to use it in the near future in a non
life threatening application. Your description is a little more complete in
this response or I read a little too quickly before. This time you said
crimp this terminal, on then reflow it, and then seal it. That sounds a lot
better than a solder and seal terminal.

 

Do you know where I can find a copy of the Underwriter's Labs conditions of
use? 

 

Phil Agur
<http://www.catalina27.org/public_pages/profile270.htm> s/v Wing Tip 
Secretary,                    C270 LE #184
IC27/270A                   MMSI 366901790 
www.catalina27.org <http://www.catalina27.org/>     Vessel Doc# 1039809

 

-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Port Huron Freecycle
Sent: Wednesday, November 26, 2008 1:22 PM
To: [email protected]
Subject: Re: catalina27-talk: Tool reccomendations

 

Phil:

 

While I might disagree with you about a soldered joint, there are
crimp/solder/shrink tube terminals, where you do the crimp, then low melt
solder, then shrink tube, all in one connector. I have used both types
extensively, in many very wet environments (even under water, my bilge).
I've never had one fail due to corrosion or wire pull out. I would not
simply solder a joint, with nothing to protect it. During heating with these
terminals, you can observe the solder run into the joint. When these
terminals cool, they are fairly inflexible plastic. The hot melt cement
firmly holds the wire after cure. Under high vibration, I would probably
crimp, then shrink tube over. But even on battery cables, I've used "solder
slugs", with shrink tube covers, and to remove them, they need to be cut
off. The solder has completely permeated every strand. They will not fall
off. 

 

No offense to any PhD's out there, but I'd never allow one near any of my
power tools or torches. More over, I'd never let them do a physical repair
on anything I own. I could show "Joe the Boater" how to bulletproof his
wiring using these terminals. Not that they would stand up on the Space
Shuttle, but for automotive or boating, they are a great, easy, waterproof
connection. It's also easy to predict what happens when I give someone the
right terminal, the right heating device, and the right knowledge. 

 

I'm am kind of confused by this, Phil:

 

"This product actually looks like something worth noting for future use but
I'm extremely well versed when it comes to wiring technology and will
recognize when it can be used effectively." 

 

Okay..... I recognize that it's worth using now. I may be a rookie here, and
a rookie skipper, but I'm not a rookie when it comes to maintaining,
repairing or wiring. I've spent a long time in the MRO game. I don't
remember telling you which one to use. I'm offering another viewpoint. It is
a Forum, right?  I can have input, true? Each one of us, from a rookie DYIer
to someone "with 30+ years in Quality & Reliability well versed in doing
failure analysis on a wide range of connection technologies in a
metallurgical lab." need to decide what's best for OUR boat. You like crimp,
I like solder/shrink tube. You say poTAYtoe, I say poTAHtoe. You say rum, I
say "Hell, yeah!!". Each skipper should decide, no? 

 

In any event, I'll take rum and beer. Free always tastes better.

 

Steve Bayless

#3491 "Liebchen"

Port Huron, MI

 

 

 


 

On Tue, Nov 25, 2008 at 2:44 PM, Phil Agur <[EMAIL PROTECTED]> wrote:

Steve,

 

That's certainly a new product to me. It's made by a couple of real players
and it's certified by a couple of agencies that test this type of product
which is all good. What I don't like is that it involves a soldered
connection. 

 

I can easily predict the results when I set someone up with the right
stripper, the right crimp tool, and the right crimp terminal. That is
usually not the case when it comes to a soldered connection. I firmly
believe Murphy's Law was written about the simple solder joint, and history
certainly bears that out.

 

I recently let a couple of PHDs help out doing wiring on a group project.
They know a great deal in their fields and they "knew how to solder" and yet
we've already seen a half dozen solder joint or nicked wire failures in just
60 days. 

 

The audience on a list like this ranges from newcomers with no particular
relevant technical background to someone with 30+ years in Quality &
Reliability well versed in doing failure analysis on a wide range of
connection technologies in a metallurgical lab.      

 

This product actually looks like something worth noting for future use but
I'm extremely well versed when it comes to wiring technology and will
recognize when it can be used effectively. Use it at the wrong time and it
could easily obscure a cold solder joint from detection before it fails in
use.

 

I do love the adhesive lined shrink tubing seal portion of this device. This
is great stuff and should be used regularly. It has been readily available
on crimp style terminals for more than a decade and works great in a marine
environment. I replaced all the crimps terminals going to my bilge pumps and
bilge sensor about thirteen years ago and they are still going fine. 

 

Phil Agur
<http://www.catalina27.org/public_pages/profile270.htm> s/v Wing Tip 
Secretary,                    C270 LE #184
IC27/270A                   MMSI 366901790 
www.catalina27.org <http://www.catalina27.org/>     Vessel Doc# 1039809

 

-----Original Message-----
From: [email protected]
[mailto:[EMAIL PROTECTED] On Behalf Of Port Huron Freecycle
Sent: Tuesday, November 25, 2008 6:02 AM
To: [email protected]

Subject: Re: catalina27-talk: Tool reccomendations

 

Another way to get a gas-tight crimp is by using self solder/shrink tube 

connectors. They are connectors that use a low temp solder. They are 

placed over the connection, then heated, preferably with a heat gun, but 

even a butane lighter in a pinch. This solders the wire, and shrinks the 

tubing around the wire, forming a complete seal. These can be used in 

very high moisture areas without failure. Not only do you have a nice 

tight complete connection, but you do not have to crimp in awkward or 

tough to access areas. There are even crimp/solder/shrink tube 

connectors for those who still want to make sure. They are all more 

expensive compared to regular crimp connectors, but I personally don't 

like to fix things twice.

 

If anyone is interested, I can post a link or two on where to find them. 

I have scads of them from a previous job (I sold maintenance items, so I 

have all the toys), and they are very nice.

 

Steve Bayless

#3491 "Liebchen"

Port Huron, MI




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