A simple 27 feet antenna pole
Used bamboo as antenna poles for a long time. Bamboo is cheap but needs frequent replacement. During last few years, only green, immature and full of sap bamboos, come to the market. They rot quickly. Wished to try something different, a combination of stainless steel pipe and PVC pipe. A 20 feet long 50 mm ID PVC water pipe was cut in half. 20 foot stainless steel pipe that can be pushed inside the 50 mm PVC pipe with snug fit, was selected. One such 20 foot SS pipe weighed 8.7 kg. Three such stainless steel pipes were used to make three composite poles. Three 1.5 inch wood screws were fixed at a distance of one foot 10 inches from one end of a 10 foot PVC pipe. Screws were fixed about 120 degrees apart. This end is to be pushed over the SS tube. It is called the bottom end of a 10 foot PVC pipe. An iron ring was tied at top end of 10 foot PVC tube to act as a pulley. ...