Posts by Lilith __

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  • Hard News: Done like a dinner, in reply to Lucy Telfar Barnard,

    All the research I’m aware of shows that so far buyers won’t pay the necessary amount more for energy-efficiency improved properties, so for now, photovoltaics/solar hot water/insulation/double glazing/etc can only be valued in terms of what the property-owner will get out of them over the period they’re planning to live in the house; otherwise they’re over-capitalising..

    Is this the same nationwide? I would have thought that in the South Island where winter warmth and paying for heating is a big deal, buyers would be wildly appreciative of energy-efficient homes.

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Hard News: Done like a dinner, in reply to Richard Aston,

    Distributed solar is a bloody good idea Ben. It brings some challenges because it will required the grid to be a whole lot smarter but it makes a lot of sense

    In fact anyone can do this, now. Some rellies of mine just got solar panels fitted. You tell the power company and they come and put a meter in to show how much you're giving back to the grid. They charge for setting up the meter, but after that they pay you for your solar power.

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Hard News: Done like a dinner, in reply to Paul Campbell,

    Running a power line along just about the same route as the proposed monorail and over Wakatipu would be just about the straightest route from Manapouri

    State highway 94 connects quite neatly with SH 6 which goes north to Queenstown. Crows might fly in a straighter line, but the road connection is a fairly direct one. I don’t see why a power transmission line would have to go cross-country, at the southern end anyway. And from Queenstown it could follow the Crown Range road to Wanaka and through the Lindis to join up with the Mackenzie Lakes hydroelectric system.

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Capture: Got the blues, in reply to ChrisW,

    And of course – yachts, ships “hull-down” on/over the horizon are absolutely normal everyday stuff, nothing surprising, whereas substantial mirages rely on strongly stratified air temperature variations close to the sea surface, which is not going to happen in the Hauraki Gulf in the middle of a mild onshore breezy day in late summer with warm sea surface temperatures.

    I'm not a sailor, so I bow to your superior knowledge of what's common, but a "hull-down" ship is still a mirage. My point was not that this was a sensational happening, but that the apparent horizon was confused by mirages, and might not be where it appeared to be.

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Hard News: Done like a dinner, in reply to Paul Campbell,

    here’s a map ….
    http://en.wikipedia.org/wiki/File:New_Zealand_transmission_grid.svg

    that line you’d like to put in would go through Fiordland Nat Park – roughly where they are arguing about monorails and the like at the moment

    Wait, are we talking about the proposed monorail from Glenorchy to Milford? That’s a long way from a line between Manapouri and whatever that other near point is (Cromwell?) Lake Manapouri is very near the inner edge of Fiordland Nat Park.

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Capture: Someone, Somewhere, In Summertime, in reply to Jos,

    Aw, thanks Jos! I think your piwakawaka is particularly fine. :-)

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Capture: Someone, Somewhere, In Summertime, in reply to Jos,

    Attachment

    A lovely lisianthus

    Here is a rose that had just dropped its petals. One minute the petals were all hanging on, then I looked again, and they’d fallen in a drift.

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Capture: Got the blues, in reply to BenWilson,

    I’m interested too. Feel free to take this off-line (we’ve got each other’s emails), unless anyone else is interested to hear about this.

    I think I'm all out of wild speculations, actually. ;-)
    Could that yacht really be beyond the horizon? <boggle>

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Capture: Got the blues, in reply to BenWilson,

    Which is not to say there isn’t mirage effect there. I’m sure there is, because it can be seen in this shot, containing Little Barrier Island, which is something like 50-80km beyond. You can see the corner is floating. But notice that this floating is also above the height of the decks of the boat on the horizon, but that is reasonably clear and undistorted. This suggests the mirage effect is happening mostly beyond that point.

    Mirages can be horizontally discontinuous, depending on the local temperature gradients in the air between objects and viewer. This is a very dramatic example. Obviously your picture is all sea, but that needn’t mean that the air is the same temperature all over. Or, as you say, it could be different further towards the Island.

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

  • Capture: Got the blues, in reply to BenWilson,

    Sorry Ben, I don't mean to be a pain about this, but I'm really fascinated. Would you care to send it off to Les and see what his thoughts are? I've found him very responsive to questions.

    Dunedin • Since Jul 2010 • 3859 posts Report Reply

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