Rohn specifies that guys should be tensioned to 10% of the breaking strength of the guy size that is recommended for a particular tower. One rule of thumb is 8% if the guy is out at 100% of tower height, 10% ifat 80% of tower height (standard Rohn drawings) and up to 15% if the anchor point is at 65% of tower height.
Where should guys be installed?
Guys are rigged to the bow and stern, usually as a single guy. Lateral guys attach to “chain plates” port and starboard attached to the hull. Multiple guys are usually installed with spreaders to help keep the mast straight (“in column”). Temporary guys are also used on a sailboat.
Why do they call it a guy wire?
The name guy wire is derived from the term guy: defined as a rope, cord or cable used to steady, guide, or secure something. Guy wire is a tensioned cable that is both lightweight and strong. Guy wire is designed to work with several fittings and components making it ideal for many different uses.
How do you make a wire tighter?
Twist the end of the wire together with the rest of the strand. Pull the loop around the post and fold it over the strand of wire. Push your bolt through the loop. Use the lever to twist the loop around the strand of wire and continue twisting until the fence is tight.
How do you use a stringing thimble?
Pull the wire snug against the thimble. String the loop of your clasp along the wire and center the clasp on the cable thimble. Slide the second end of the wire through the same crimp bead or tube you originally used. Slide the crimp up to the cable thimble so that they are close, but not touching.
Are wire rope thimbles necessary?
Thimbles are used to protect the eyes of cable, and rope slings from abrasion by providing a solid steel barrier between the fragile cable strands and the other rigging fitting used in the connection. After repeated high load use, wear and kinking can reduce the strength of the cable, and can lead to premature failure.
What is a guy thimble?
Guy thimble is also called cable thimble which is used on pole band to work as an interface fitting to connect the guy grip or guy wire. The guy thimble is widely used on the electric power line or dead-end pole line. The cable thimble usually connects with the preformed tension clamp to support and protect the ADSS/OPGW cable.
What are wirewire rope thimbles?
Wire rope thimbles are available in a light/regular standard duty fabrication, or in a heavy duty style for increased strength. Both styles are available in a zinc-plated metal for use in regular environmental conditions, and in a stainless steel for wet environments such as for marine applications.
What is the diameter of a guyed wire?
Guy wires Also known as guyed wire, guy cable, guy strand, guy anchors, or even mistakenly called ”guide wire,” this Extra High Strength (EHS) cable is available in two configurations: 1×7 (sizes range from 1/4” up to 5/8” in diameter), and 1×19 (sizes ranging from 11/16” to 7/8”).
What is the strength of the guy wire?
The guy wire is of extra high strength grade based on ASTM A475 Standard Specification for Zinc-Coated Steel Wire Strand”. The wire strands covered in this specification are commercially known to be 6M, 10M, and 16M all of which are seven-wire (7-wire) strand.
