How much tension is on a guy wire?
The installed tension for guy wire is typically 10% of the wire’s breaking strength. Initial tension may be mesured by vibration frequency, mechanical tensionmeters, measurement of guy sag, or by other suitable methods.
What is guy wire made of?
Guy Wire is a cable or cables used to provide support to an antenna or antenna structure. Antenna guy wire is normally made of galvanized steel compared to antenna ground wire which is produced with aluminum wire and antenna wire which is made out of copper wire.
What are the two methods of measuring guy wire tensions?
There are two basic methods that are recognized in ANSI/TIA-222-H for guy initial tensions in the field, the Direct Method and the Indirect Method **.
What angle should guy wires be?
45° angle
Ideally, the guy wires should extend out from the mast at a 45° angle, and should be anchored in screw eyes placed 120° apart (Figure 2). If four guy wires are used, they should be anchored in screw eyes 90° apart.
What is a down guy?
DOWN GUYS. The most common type of guy is the down guy. With this type of guy, the wire is run from the top of the pole to an anchor in the ground.
Why is it called 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.
What is the main purpose for guy wire?
A guy-wire, guy-line, or guy-rope, also known as simply a guy, is a tensioned cable designed to add stability to a free-standing structure. They are used commonly for ship masts, radio masts, wind turbines, utility poles, and tents.
How is wire tension measured?
Keeping the height of the end of the cable the same as at the fixed end, pull on the cable until the weight is completely suspended by the cable. Measure the tension in each end of the cable, the horizontal distance from the weight to the person holding the free end of the cable.