I would recommend at least TWO Nicopress sleeves
at each joint.
Another N4KG "Neverism" -
NEVER rely on ONE of *anything* where safety is concerned.
Tom N4KG
On Mon, 30 Sep 2002 EDT W3YY@aol.com writes:
> In a recent post, 'aircraft cable' was mentioned as a 'standard
> guying
> material'. Several individuals took exception to this comment,
> noting that
> EHS is the standard guy cable normally used. That may be the case,
> but I
> also got the impression that some might not be familiar with
> 'aircraft
> cable'. This is unfortunate, because I think it is really a
> superior
> material.
>
> Normal galvanized EHS cable consists of 7 individual wires of
> galvanized
> steel. the breaking point is 3990lbs for 3/16" cable and 6000lbs
> for 1/4"
> cable. The cable is fine, but is relatively stiff and inflexible.
>
> 7x19 aircraft control cable consists of 7 individual strands, each
> consisting
> of 19 individual wires. It is extremely flexible, almost like rope,
> and very
> easy to work with. It's available in both galvanized and stainless
> steel.
> The breaking point for the galvanized material is 4200lbs for 3/16"
> and
> 7000lbs for 1/4". If your looking for strong, easy to work with
> steel guy
> cable, you should seriously consider this cable.
>
> While I'm on the subject, the other item I really like to use with
> this cable
> are the Nicopress copper sleeves. One of these crimp on items,
> takes the
> place of several U-bolt, crosby clip, cable clamps and produces a
> joint
> stronger than the guy cable itself. The sleeves are much cheaper
> than the
> U-bolt hardware but the crimp tool is pricey - about $350 for the
> 1/4" tool.
> Still its a nice system for permanent joints. Where you might want
> to later
> remove a cable, still use the U-bolts.
>
> I'm converting everything to Phillystran, but am using the 7x19
> galvanized
> aircraft control cable on the portions of guy lines close to the
> ground.
>
> 73, Bob - W3YY
>
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