One thing to consider. That is a heavy turbine and thirteen foot rotor is a lot of force. If you lean the tower against a building, It may create different stresses on the tower then desired. I have did so twice and both times within a year the poles were bent in two. I know that 1&1/2 inche pole was to small but the turbine was only 8' above the building. The biggest turbine I have flew is 8'. I have two towers now, one is 80' and one is 40'. Both are on compleatly flat ground. 40 foot one is a utility pole and is only guyed at the top. The 80' one has guys every 20' and is 4" outside round pipe. Both are raised with gen poles about 1/3rd the lenght of the towers. You have very rough ground to work with. Also from the looks of it you may have to run some distance to where you plan on using the power. The cost of wire to control voltage drop may need to be considered depending on system voltage.
Have to looked at the forum host (projects) on this web site? Are you talking of placing the tower on the very top or the ridge line (flat area) or some where only near the top?
Man that is some rough ground.
gww
Excellent points, thanks!
I guess im going to have to find out what kind of thickness and diameter of steel would take the force unguided. I think I worked out a few months ago using a theorem I found that the tower has to withstand up to 4000kgs forces with 130mph + winds.(okay I got my brother to do it, im terrible with maths) Darn I will have to see if I still have that bit of paper hanging around and recheck.
If it wasnt so rough and inaccessible and generally a PITA to attempt to build on, we couldnt have afforded it!
The ridge runs at about 30 degrees heading. The site for the turbine is not the top of the ridgeline overall, the ridge continues to climb gradually at a 30 degree heading with 10 foot vertical gain for every 100 feet horizontal. after about 300 feet at that heading it roughly levels for a further 100 feet then drops away.
Where the ridge levels and widens some 300 feet away, is where the house is going to be, and there isnt much spare room around there! But thats how far we will have to run the power cable to the turbine.
The other issue that slipped my mind to mention is that running parallel to to the ridgeline (on the opposite side to what the photo shows) about 15 feet down is where the driveway will run through. At this point its a rough track and I have to cut it a few more feet down. My tallest truck is about 130 inches high so running guy over the tops not likely. But since theres access from that side maybe an anchor pole could be installed.......more homework I feel.
heres a pic of the track and that ridge side, its not very helpful but better than my discription! you can see remains of a fence on the LHS that runs along the length of ridge and is placed right before the ground drops away. (Our 3 year old has a thing for collecting sticks)