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Old 03-26-2021, 07:18 PM
rocketman1988 rocketman1988 is online now
Join Date: Jun 2010
Location: Sunman, IN
Posts: 2,431
Default Wow

It is amazing, that with all of the issues being discussed, that our aircraft aren’t falling from the skies, tractors and machinery failing mid harvest, and cars stranded on the side of the road...all due to connector failures...

There are NO perfect systems...
Aerospace Engineer '88


Dues+ Paid 2020,...Thanks DR+
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Old 04-11-2021, 09:03 AM
JDeanda JDeanda is offline
Join Date: Apr 2013
Location: Ventura, CA
Posts: 234
Default Cannon Plugs?

Should we be using old/timey Amphenol/Cannon plugs? They’re just a bit pricey but they’re available in thousands of configurations and sizes.
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Old 04-21-2021, 09:47 PM
Jake14 Jake14 is offline
Join Date: May 2014
Location: Seattle
Posts: 352

I think the thing with Molex is to first crimp the wire and then the insulation to the pin, and then solder the wire to the pin. I've never had any trouble after doing this.

for 20ga and smaller, I think d-sub is best.

I had many failed pull tests on crimped terminals until I figured out that the AMP brand with the right crimper was the only one which never failed
RV-14A flying 450 hrs
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Old 05-01-2021, 04:22 PM
Dave H. Dave H. is offline
Join Date: Apr 2013
Location: Oceanside
Posts: 44

Walt, I've used a lot of D-subs, but I know nothing about CPCs. What type of pin do they use (Same as D-sub I hope!)? Are there particular CPCs that you like for particular applications? Size/No. of pins/amp limitations/free-hang or mount?

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Old 05-01-2021, 06:53 PM
vlittle's Avatar
vlittle vlittle is offline
Join Date: Jan 2005
Location: Victoria, Canada
Posts: 2,316

CPC Series II use the same pins as a Dsub.

Here is an example:

The CPC provides all of the signals to my panel.

Large currents are handled by Amp Universal Mate-N-Lock connectors.
V e r n. ====
RV-9A complete
Harmon Rocket complete
Member of OnSpeed team
The VV in
Victoria, BC (Summer)
Chandler, Az (Winter)
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Old 05-02-2021, 10:09 AM
Dave H. Dave H. is offline
Join Date: Apr 2013
Location: Oceanside
Posts: 44
Default CPC Series II and Mate-N-Lok


This is helpful. Can you point me to part numbers for the CPC and the Mate-N-Lok?

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