I agree with the comments indicating that there are extra undesireable loads being generated by the washers. Have you tried rotating the tower sections about their axis to minimise or cancel any leng
When choosing rope to pull through with your cables, use a plaited or woven rope, not one where the strands have been twisted during manufacture. A twisted construction rope will tend to untwist as y
Bob, Try your local motor vehicle wrecking yard for a quantity of rear wheel drive car axles. Over here in VK I have seen them used for the guys on travelling circus tents. They are usually 2 to 3 fe
Hi All, Has anyone thought of using a "dry" molybdenum disulphide spray lubricant ??? It is often used industrially for lubricating wire ropes and in the automotive engine assembly industry. It provi
Craig, Just use an el-cheapo hobbyist saw bench fitted with a fine toothed carbide tipped blade. For lubrication, use a cake of soap. Just a quick wipe on the blade before cutting the aluminium. WATC
Hi All, I don't think you lot are thinking far enough outside the square !!! What is the gain of the cage dipole at its 2:1 VSWR points over a single wire or element dipole at the same frequency poin
Hi All, Sorry about the O/T, but I'm at a loss with the various search engines. It maybe my choice of criteria !! and there seems to be an over abundance of knowledge on this forum. Has anyone ever s
Chris, Galvanising here in VK is usually costed by the weight of the items to be galvanised. I assume it is a similar proposition in the US. Find yourself an engineering firm fabricating trailers or
Michael, Have a look at http://users.spin.net.au/~aeitower/ and chase up the U.S. licencee or have a similar transport mechanism mounted on a tower you finish up with. The Slide carriage allows you t
Who would be so foolish to work on a tower of any height without having a ground crew ?? Even if it is only a harmonic to go and get help if everything turns "pear shaped" !!! Gary VK4ZGB == snip ==
Gerry, Try wrapping and sealing a plastic bag around the joint area and fill it with kerosene. Let this sit for a few days to allow the kerosene to wick into the joint before trying to get some movem
Hi All, A similar practice if your conduit can be manouvered around a bit, ie poly pipe, is to weld a section of slightly larger steel pipe to the rear of the ripper tyne as a guide tube. As the ripp