From: "Ed Anderson" <flyrotary@lancaironline.net>
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To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] D Connectors for Tracy's EC-4
Date: Mon, 2 Jun 2014 14:55:01 -0400
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Hi Joe,

I've tried soldering, crimping, crimping and soldering and the best I have 
found for reliability and ease of fabricating is the use
of machined pins/sockets and the right ($38.00) crimper.  I have tested the 
strength of these four point crimps and it is stronger, none of the fatiques 
problems you can have with soldered pin and I have yet to pull a wire out of 
a pin.

Here is what I use (the pins are not cheap, but worth it for connector 
critical to flight) for some less critical applications I just use the "tin 
foil" crimp pin/sockets.

Here's a link to the very tool I use.  You can get a similar one from 
Steinair for less, but I liked this one a bit better.

http://www.altex.com/Paladin-PA1462-RS232-D-Sub-Crimping-Tool-PA1462-P149472.aspx

http://www.steinair.com/storedetail.cfm?productid=291

Here is the  type of pin I am referring to

http://www.steinair.com/storedetail.cfm?productid=504

That said, any manner of attachment that is done correctly is reliable - so 
a lot of it is a matter of preference and cost.

Ed

-----Original Message----- 
From: Joseph Berki
Sent: Monday, June 02, 2014 12:59 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] D Connectors for Tracy's EC-4

What is everyone using for a 25 pin D connector?  Are you using a crimp 
version or solder version? The crimp tool for D connectors can be as much as 
$300.00.  Anyone have a less expensive solution?  Thanks in advance for any 
input.

Joe Berki
Limo EZ
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