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A 4m2 base composed of four legs for …

Comment posted Karl Hughes: impacts of the proposed Tiree Array and divorce from the natural world by Dr Douglas McKenzie.

A 4m2 base composed of four legs for a structure 205 m high?! In the sea?!? Shurely some mishtake?

Dr Douglas McKenzie also commented

  • No time for a detailed critique but I would just note (as a scientist) that if you claim scientific authority for anything you provide references or evidence for your claims, Mr Haseler provides neither.

    There was one bit I agreed with though: the priority for energy management should be conservation.

  • Good points Karl. Like Stephen, you will find that I will give a lot more support to a reasoned and factual argument than to some of the more lurid fantasies that are deployed against wind power.

    My mentioning of monopoles was just to illustrate how large a structure would be needed – not to suggest that a monopole would be applicable here. Gravity based anchors would be tricky as well. I will be interested to see what the engineers actually come up with (if it ever gets that far).

  • My surprise is based purely on my lay knowledge of the size of base needed to both support a structure that is over 200m in height and withstand the sea conditions likely to predominate off Tiree (including fifty year waves). Most of the offshore wind farms to date have used monopoles and for a turbine of this size, you would need a monopole that is at least 5m in diameter. Thus I cannot see how the structure could be supported by 4 skinny legs. And why four legs? Most of the multi-leg structures are tripods.

    I will bow to someone with a knowledge of civil engineering but I cannot see how such a large structure could be supported on this narrow and multi-leg base.

    A better solution may be to move the array into deeper water and use tethered structures. That would presumably keep everyone happy.

  • It just sounds too flimsy. But maybe I am wrong: can you supply a link to a schematic (from a designer, not one you have done yourself) showing such a structure?
  • Not sure about placement but here is a recent report on biological impact:
    http://www.sciencedaily.com/releases/2012/04/120410093318.htm

Recent comments by Dr Douglas McKenzie

  • Rustle with Russell
    More utter rubbish from Lynda Henderson. Have you actually spoken to Bob Allen? Whoever told you the story sold you a pup and in your arrogance you cannot admit to be wrong so you make up this story that he was persuaded not to resign.

    Your position is completely untenable.

  • Russell back in the bathtub, now trying to sink Keith Brown’s boat
    I’m afraid you condemn yourself by your own words. I don’t think that anyone reading what you have written here and the language you have used would conclude anything other than that you have a deep dislike for Mr Russell and that dislike is leading you to basically lose all sense of either proportion or impartiality. It doesn’t matter how well (or otherwise) you know Mr Russell you are clearly exercised by your interpretation of his actions and it is leading you well beyond the pale in what I would consider fair comment.

    This vendetta against Mr Russell and the SNP is destroying FA’s credibility and I have to confess that I’m seriously considering whether or not to continue reading FA (which will cheer Malcolm up if nothing else). I for one am becoming increasingly disenchanted by the constant negativity and sheer nastiness that has crept into this blog. I say that with a lot more sorrow than anger because I think that FA could have been great and indeed still could but there has to be a degree of balance, civility and indeed humour. All we are getting here is bile and it is causing me heartburn.

  • Russell back in the bathtub, now trying to sink Keith Brown’s boat
    To be honest, this post clearly shows that you are speaking from your personal dislike of Mr Russell rather than an unbiased analysis of the man. Phrases such as “publicity hungry coward” are well beyond what is reasonable comment.
  • Russell back in the bathtub, now trying to sink Keith Brown’s boat
    You don’t seem to understand the separation of a MSP’s duty to his or her constituency and their responsibilities as a Government Minister.

    Yet again, this is another instance where a member of the Government can do no right: speak up and be condemned as “desperate” or stay silent and be accused of not serving your constituents’ interests.

    It is just as well that Mr Russell has broad shoulders!

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