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nuckolls.bob(at)aeroelect
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 Posted: Wed Dec 01, 2010 11:36 pm Post subject: Next generation connectors |
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| Quote: |
Comments/Questions: What is your opinion of sealed connectors verses
standard Molex? I work in the automotive industry (Honda)and these
connectors seem to be much more durable and less subject to
vibration and corrosion. I am building The RV-8 and Would like your thoughts.
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The Amp Mate-n-Lock nylon connectors were first
integrated onto single-engine Cessna models about
1968. My relatively short tenure in the electronics
and aviation arts suggested that airplanes were
somehow worthy of technologies having extra-ordinary
quality and robustness. I was understandably
skeptical of the cheap, white plastic connectors.
This was decades before I came to understand failure
tolerant design. I was also relatively ignorant of the
causes/effects in the history of aviation failures.
40 years later we observe that the Mate-n-Lock
connector has probably exceeded anyone's expectations.
Of course any connector is located such that there
is risk for drip or splash gives us pause to consider
special circumstances. But for the most part, the
the perceived quality or robustness of any given
connector has little influence on risks and only
a small influence on cost of ownership.
Some of the modern automotive under-the-hood connectors
for are pretty impressive. I wouldn't discourage
anyone from considering them if they have access to
tools and a source of products.
Bob . . .
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james(at)etravel.org
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| Posted: Thu Dec 02, 2010 3:26 am Post subject: Next generation connectors |
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I've used the Mate'n'lock connectors on my project quite a bit recently, mainly because I've found it difficult to buy a small number of the relatively expensive PIDG connectors here. Anyway, I'm very pleased with the Mate'n'locks. They're nice and small, come in a variety of different cable sizes, but all fit into the same wide range of shells. I've used them to make little pluggable modules, such as internal light, map lights, tail light, annunciator lights, etc.
Also, I've used them without a shell, as Bob has suggested for D-sub connector pins, i.e. using the two pins and covering with heatshrink. Makes for a compact installation, with great load-carrying capability too.
The only thing that worried me a bit was the rated 50 mating operations. But then again I thought that I'm unlikely to EVER undo many of these connections, and almost certainly not 50 times...
FWIW.
James
On 2 December 2010 07:27, Robert L. Nuckolls, III <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)> wrote:
[quote]--> AeroElectric-List message posted by: "Robert L. Nuckolls, III" <nuckolls.bob(at)aeroelectric.com (nuckolls.bob(at)aeroelectric.com)>
| Quote: |
Comments/Questions: What is your opinion of sealed connectors verses standard Molex? I work in the automotive industry (Honda)and these connectors seem to be much more durable and less subject to vibration and corrosion. I am building The RV-8 and Would like your thoughts.
|
The Amp Mate-n-Lock nylon connectors were first
integrated onto single-engine Cessna models about
1968. My relatively short tenure in the electronics
and aviation arts suggested that airplanes were
somehow worthy of technologies having extra-ordinary
quality and robustness. I was understandably
skeptical of the cheap, white plastic connectors.
This was decades before I came to understand failure
tolerant design. I was also relatively ignorant of the
causes/effects in the history of aviation failures.
40 years later we observe that the Mate-n-Lock
connector has probably exceeded anyone's expectations.
Of course any connector is located such that there
is risk for drip or splash gives us pause to consider
special circumstances. But for the most part, the
the perceived quality or robustness of any given
connector has little influence on risks and only
a small influence on cost of ownership.
Some of the modern automotive under-the-hood connectors
for are pretty impressive. I wouldn't discourage
anyone from considering them if they have access to
tools and a source of products.
Bob . . .
[b]
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http://www.matronics.com/Navigator?AeroElectric-List |
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