REFLECTOR: Securing Wires

[Jim Agnew]

I agree with Ronnie on the double crimp and I also suggest
that you use AMP PIDG terminals since they have a second
copper tube that extends behind the terminal crimp area. 
This tube crimps into the wire insulation and holds it
firmly which the common terminals with plain plastic tubes
don't.  

The $100 crimper's do both crimps at the same time and more
importantly will not release until the proper crimping
pressure is achieved thus giving consistent terminal
attachment.  I highly doubt that you can achieve the high
pressures with the "cheap automotive crimper" however they
do work in most cases.

Jim

--- Ronnie Brown <romott at adelphia.net> wrote:
> You will also need to make sure the connectors are double
> crimped - once on
> the wire and then once on the insulation.  I had an
> alternator field wire
> break two different times.  First time was because I
> forgot to crimp the
> connector onto the insulation, 2nd time because I didn't
> have the tie wraps
> close enough to prevent the wire from flopping at the
> connector.
> 
> The double crimping is automatically done with a $100
> crimp tool or you can
> crimp it twice using a cheap automotive crimper.
> 
> Ronnie
> 
> ----- Original Message -----
> From: "John Dibble" <aminetech at bluefrog.com>
> To: "Velocity Aircraft Owners and Builders list"
> <reflector at awpi.com>
> Sent: Thursday, June 24, 2004 7:04 PM
> Subject: REFLECTOR: Securing Wires
> 
> 
> | I have learned how important it is to secure small
> wires in the engine
> | compartment.  In the past 6 months I have had three
> wires break at the
> | connector.  Two were not connected to the engine so I
> think air flow and
> | not engine vibration is the cause.  I thought the wires
> were secured
> | adequately with plastic ties, but I guess more ties are
> needed.
> |
> | John
> |
> |
> |
> |
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=====
James F. Agnew
Jim_Agnew_2 at Yahoo.Com
Tampa, FL
Velocity 173 Elite Aircraft Completed & Flying