Search found 7 matches

by VK3JLS
Wed Oct 29, 2014 2:51 pm
Forum: Towers, Masts & Transmission Lines
Topic: Base requirements for a tiltable mast installation
Replies: 16
Views: 7654

Re: Base requirements for a tiltable mast installation

Could you, for the sake of others like myself, advise where/how you sourced/fabricated the various bits of hardware? Alan, happy to oblige, but not sure how much help this will be, as the main parts were sourced locally from Romsey Engineering Services, who were a great help, and only too willing t...
by VK3JLS
Wed Oct 29, 2014 2:13 pm
Forum: Towers, Masts & Transmission Lines
Topic: Base requirements for a tiltable mast installation
Replies: 16
Views: 7654

Re: Base requirements for a tiltable mast installation

Peter, Thanks for the suggestion. At the outset, I would suggest that your figures are perhaps a little bit on the pessimistic side, (which in a situation like this is probably the best way to be!). The way I read it, you have a 7.5 metre tower section with about 1 metre additional pipe out the top ...
by VK3JLS
Tue Oct 28, 2014 11:42 am
Forum: Towers, Masts & Transmission Lines
Topic: Base requirements for a tiltable mast installation
Replies: 16
Views: 7654

Re: Base requirements for a tiltable mast installation

Wow, has it really been 8 months since my initial post on this topic?? Since then, I have developed some drawings for how I might tilt the mast, purchased an 8 metre 100 x 100mm post, some 6mm steel plates, a number of u-bolts and other hardware, and then started doing some fabricating of the necess...
by VK3JLS
Wed Feb 26, 2014 6:04 pm
Forum: Towers, Masts & Transmission Lines
Topic: Base requirements for a tiltable mast installation
Replies: 16
Views: 7654

Re: Base requirements for a tiltable mast installation

Thanks, Bernard. sorry for the delay in this response, however have been in VK2 land since Sunday. Have seen the VK6YSF site and my thoughts are along the lines of doing something similar. Not sure about the height he has used, however. While understanding that the mid point of the mast would provid...
by VK3JLS
Sat Feb 22, 2014 9:38 am
Forum: Towers, Masts & Transmission Lines
Topic: Base requirements for a tiltable mast installation
Replies: 16
Views: 7654

Re: Base requirements for a tiltable mast installation

Thanks Leigh. The main legs of the tower are actually solid. One part of a leg between the lattice joins was somewhat dented in transit; if it had been hollow, it certainly would have shown up in the dent (which I managed to straighten out without any visible damage) The intention is to have a triba...
by VK3JLS
Fri Feb 21, 2014 8:56 pm
Forum: Towers, Masts & Transmission Lines
Topic: Base requirements for a tiltable mast installation
Replies: 16
Views: 7654

Re: Base requirements for a tiltable mast installation

Thanks for the response. From soil test done 6 years ago:- Soil Classification is "H" - olivine basalt, with alkaline derivatives, limburgite, scoria, minor tuff and sand. The soil type would be expected to be highly reactive with regard to soil volume change under soil moisture variation....
by VK3JLS
Fri Feb 21, 2014 4:49 pm
Forum: Towers, Masts & Transmission Lines
Topic: Base requirements for a tiltable mast installation
Replies: 16
Views: 7654

Base requirements for a tiltable mast installation

Hope someone can help me here. I have recently taken delivery of a second-hand 7.5 metre mast (with a pole extension it can go to 14 metres) that is your typical triangular lattice type mast. From all accounts it looks as though it was meant to be a guyed system (eyelets at top, small pipe arrangeme...