Dipole pulley system. Enhance your amateur radio setup with the W5SWL 1-3/4″ Dipole Pulley, a versatile ham radio antenna pulley designed for secure and smooth operation of various wire antennas. I used the same synthetic rope attached to the insulators on the ends of the OCF Dipole to provide support for the ends of the antenna. I used a couple of pulley’s attached to two sturdy trees near the ends of my antenna. But why use a pulley at all? Let's build the pulley assembly that I have shown in my previous videos for hanging a wire antenna in trees. The combination of receiver, antennas and propagation make SWL an exciting and often technical challenging hobby. Feb 17, 2026 · Antenna Support Pulley. The small pulley weighs very little, the rope even less. May 3, 2014 · The sheave (wheel) is nylon designed for use with rope, it has a nice edge and groove. However, getting them in the air is the challenge. As of now, I’m planning on using Dacron, connected to the insulators with pulleys and counterweights on both ends. 8 to 30 MHz (160m to 10m band), also called SW (shortwave) or HF (High Frequency) bands. This simple design can be put in place 100% from Sep 23, 2020 · This was the case for the rope-and-pulley system that supported my first HF antenna, an 80 m off-center-fed (OCF) wire dipole, which I put up in the trees not quite 8 years ago. I think the pulley system will work good for quick install through the winter months. One, Two, Tree Dipoles are the most economical antennas and deliver the most bang for the buck. Oct 28, 2015 · The pulleys give me the flexibility of adding counter-balances to the antenna, but I have a feeling that between the exiting pulley system and the slight slack in the antenna, that even a strong wind won’t break it. SWL or shortwave listening is the reception of public broadcast or amateur radio ham stations in the frequency range 1. Feb 11, 2026 · Antenna Pulley. This page explains how you can receive shortwave international broadcast Oct 7, 2013 · Once the center of the OCF Dipole is up and the feedline supported, one needs to anchor the two ends. Affordable for people to try out. Feb 1, 2024 · Cost of a dipole antenna The half-wave dipole antenna, which is sometimes called the DIY dipole antenna, is easy and affordable to build. Antenna Pulley 1-3/4" Fiberglass Reinforced Nylon Pulley Specifics 1-3/4" fiberglass reinforced nylon sheave (wheel) Designed around 5/16" diameter rope or wire Non certified working load about 400lbs Heavy Duty zinc plated steel straps Composite wheels will not corrode Self lubing Sheave (wheel) has strong edge and deep groove Red color Works great for Dipoles, Inverted Vees, Loops, End Fed Mount a suitable size pulley on each end attached to your pole, trees, etc for the diameter of cord or rope used to support the system. Explore the pulley equation with an example and see how to find tension in a pulley system. Start your antenna trimming with the top dipole. Cost of the pulley system and rope was less than $20. For dipoles these work great for the center support pulley either on a pipe or mast or the side of your tower. Learn about pulleys in physics and understand how pulley systems work. With the use of a few basic items or tools which can be purchased or acquired at pocket-friendly prices, excellent performance is guaranteed. Run a hoist rope through the pulley and raise and lower the dipole center without fuss and climbing. For dipoles these work great for the center support pulley either on a pipe or mast or the side of your tower. Mount a suitable size pulley on each end attached to your pole, trees, etc for the diameter of cord or rope used to support the system. Run a hoist rope or line through the pulley and raise and lower the dipole center without fuss and climbing. 49 Hi everyone, I’m installing a dipole antenna between two trees and have received a lot of different advice. From W5SWL. Time will tell. attach your coax to the center insulator leaving several inches of the center conductor and shield exposed. Using a larger pulley is very dangerous. Jan 18, 2021 · Here are some tips for getting your end-fed, dipole, or vertical in and on the air. Weight is a fiberglass pole's worst enemy, especially when mounted near the top of the pole. Using a metal clamp to fasten the pulley is even more dangerous because it not only adds weight, it can also damage the thin wall of the pole. . 1-3/4" Pulley Ham Radio Dipole Inverted Vee Loop Longwire End Fed Antenna Dave's Hobby Shop by W5SWL $4. This durable pulley, often available in red, ensures reliable support for your antenna system. gsk rdo irb wgy uoo zvg axd fbp koa mfx agy ogb lmb bge jeq