Recent content by Rado Gary

Many thanks for the comments, I see I need to provide some more information. I am a Radio Amateur and am looking to build a radio mast. I need this to be telescopic and cope with a heavy antenna around 220kg that also has a high wind loading of around 28 square feet. In the Uk there is...

Could anyone please help me? If I have a piece of aluminium Angle that is 30mm x 30mm by 3mm thick and 1m long, if I were to substitue this with a piece that is the same thickness and length but 60mm x 60mm what increase in strength would I see? If instead of increasing the size what would...