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Thanks for the very informative post HE. I understood PMDDs were not revolutionary in efficiency, but I thought there was significant savings in maintenance costs due to the gear box issues and additional weight of alternative designs. Will have to read into it more as I was serious about...

I was under the impression permanent magnet direct drive (PMDD) are the most efficient and proven cutting edge technology, and included in latest models at Vesta, Goldwind, Siemens, and GE Vesta 3 and 6 MW grid streamer generators. Wind Turbines Shed Their Gears GE 2.5MW see accompanying...

That isn't reflective of my reading about developments in turbine tech efficiency. Could you possibly recommend some reading?

HE, what do you know about heavy rare earth element mining processes? I understand HREEs are required for PV solar panels and the magnets that go in wind turbines. AFAIK, it is an expensive and high carbon fuel consumption process. China currently owns 97% of the world's REE production, and...

where are all the kiddies, and where do they play?

It'll happen eventually, if not to us, to our kids, or grandkids.

Most visa overstayers 'are English lads' Immigration Minister Chris Evans says many of those who overstay their visas in Australia are young English lads who are having too good a time. The immigration department told a Senate hearing in Canberra on Tuesday that as of June 30, a...

this post moved from other thread: The bleeding hearts keep saying oh, it's only 2000 asylum seekers, as if it's a small and static number. Why don't these troubled Souls consider the growth rate of boat people arrivals in the last 3 years? Hmmmm....looks exponential to me. And the...

THe third world has a problem restraining from breeding. The first world has a problem eating fatty food and driving V8s. OK HE, on your carbon bike :) and over to Africa and India with you.....where you can gently persuade them to adopt some good old Christian beliefs like no sex before...

Ultimately I think the most moral and compassionate thing to do is preserve the worlds' resources for as many future generations as possible, not use up ever more of them on those too silly to stop breeding or driving V8s.

Come on, it is the ABC.......They deliberately targeted having John Elliot on QnA as a regular representative of the right years ago. THey know he comes across as the loud obnoxious ignorant capitalist pig lefties love to hate. It is all so staged. Just as we don't need constant popn growth...