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Old 12th Sep 2014, 03:55
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via tecman:
...Aircon on Rottnest? You'd be in the serious princess category to need that.
And yet there are those pesky customer complaints..

Rottnest island highs, degrees C

Jan 41.9

Feb 41.5

Mar 40.8

Apr 38.0

May 29.2

Jun 24.9

Jul 26.5

Aug 23.0

Sep 27.0

Oct 35.2

Nov 36.6

Dec 40.6

Rottnest Island climate, averages and extreme weather records


...and todays entire combined wind 'power' output for the entire south east of Australia totals less then 10% of installed generator capacity..........

Wind Energy in Australia | Aneroid








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Old 12th Sep 2014, 04:38
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Sounds quite dramatic when you use the Rottnest Island Daily Records.

Lets try the Rottnest Island Long-term Averages
instead......that's better, January is 26.5, not 41.9

Using the same link for Albany.....Albany Ap Daily Records maximum is 45.6

There must be a booming aircon industry in Albany.
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Old 12th Sep 2014, 06:02
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...Lets try the Rottnest Island Long-term Averages
instead......that's better, January is 26.5, not 41.9
"Averages" ...

Basil Faulty telling the customers their wrong - its not hot, our average is only 26.5 degrees...











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Old 12th Sep 2014, 07:07
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Stiky. I take it you never played poker. I'm sure when the time comes the support received will be more than acceptable. There a lot smarter people that have been working on this than myself. Let's what and see who knows what the future holds.
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Old 12th Sep 2014, 07:13
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Towering Q is correct: the mean MAX temperature is 26.5. Designing a system - particularly an off-grid system- for the peak of the peaks is folly, as we're collectively finding.

While the modal (most frequent) MAX summer temp would be a good thing to know, as a Rottnest regular I bet it's below 30C. And it's an island: usually plenty of breeze from late morning.

Always a great view from final of the turbine chugging away - gladdens my heart.

Last edited by tecman; 12th Sep 2014 at 07:30.
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Old 12th Sep 2014, 08:49
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AERODROME OBSTACLES
Multiple LIOLs - Radio masts 1260FT at S23 23.5 E144 13.3. Painted and lit.
YLRE a dangerous place to land?

And meanwhile back to aviation related problems with these little windmill things, just another obstacle we as diligent aviators will see and avoid. As I mentioned previously I care not for argument on the should be or should be not of the viability of same.
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Old 12th Sep 2014, 10:13
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I regularly fly from Mojave airport, or spaceport as they call it now, and it has a wind farm nearby, within a mile or so in places. There are a few turbines in that wind farm, 12,000 I think between Mojave and Tehachape. I have never been bothered by them though the hills are almost white with them.

Booming industry renewable power in those parts. As the summer days wax and wane so does the amount of them spinning. Hot day with all those air conditioners in LA at full blast the hills are alive with spinning windmills taking the peak loads from the major power plants.

I have never been concerned about hitting them,even though some are on top of hills several real thousands of feet above the nearby desert. I thought it was the terrain and the high winds that produced all that turbulence, not the windmills. Others here have more knowledge than I about that clearly.

Wind farms, bring em on. P!ss that filthy stinking acid raining! cancer causing! asthma producing 'whitified' power station smoke off. Coal dust blowing all over the place on summer days, open cut fires that blanket a regional town for weeks on end. Get rid of it as son as possible, but it will all run out anyway. Fossil fuel that is. That is why renewable research is very important. I ant some of they lovely petrol left for my motor bike for loony to come.

Nuclear......vast amounts of relatively cheap energy.......but...... I would rather take my chances living near a wind farm..... At least they won't take out a half a state out on a bad day, and give everyone cancer for....a few thousand years.

I am it a 'greenie', or a ' Huggy Fluff' I think the term is, but I am even more so not a philistine' Brown Smoker', flat earth climate denying anti scientist either. I am not a short sighted chicken little like many on this site. I like to consider all options on merit, not just scream " Kill the tree huggers, let's use all the oil/coal/gas/shale while we have the chance" "We can always frack some CSG, there is no limit!" I have heard some butters in the US insist that God put it all there for us and it is our duty to exploit it and responsibility to prosper from it. Really.

Renewable is still being developed and improved, as have coal powered steam turbines been developed from triple expansion reciprocating steam plants of a hundred or more years ago. We have coal stations over 50 years old in Victoria that are some of the highest polluting power generation plants in the world. They are filthy and need to go.

Maybe I am a big green around the edges, or maybe in the middle, hidden deep. At least I am not a rapacious vandal.

Yr Right, I see your profile says you are lame, is this an intellectual disability, or you are just a bit gimpy in one leg.


HD
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Old 12th Sep 2014, 11:41
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Not 5 minutes ago I received this into my Linkedin account.

Enter one of the world´s largest wind energy industries

Guten Tag Herr truthinbeer,

Germany is at the forefront of technological development in the wind energy sector. Excellent investment opportunities have led wind energy companies from around the world to base their operations here – both onshore and offshore. Get all the information you need to expand your business into Europe’s most important wind energy market – all in one handy publication.
Germany’s Energiewende (“Energy Transition”) is far-reaching in its ambition - and wind energy has a major role to play in achieving the goals set. Up to 60 percent of power should be generated from renewable sources by 2035. By 2050, this figure should be 80 percent. With 34 GW of installed capacity, Germany is Europe’s wind energy hub. The onshore market is by far the biggest in Europe, and the offshore sector is gaining momentum.
Will you be at WindEnergy Hamburg? You are invited to our exclusive “Wind Business Opportunities in Germany – Market, Financial Support and Legal Framework” workshop on September 24, 2014 at 11 a.m. Register here.
With kind regards,
Xxxxxx Xxxxxxx
Director
Energy, Environment & Resources
Germany Trade & Invest



You see, it is just a business. Go ahead, ask Al Gore.

For my money I would prefer to see investment in solar.

p.s. Creepy. How did they know I was discussing this on Pprune? Fraccing Al Gore.

Last edited by truthinbeer; 12th Sep 2014 at 21:43.
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Old 12th Sep 2014, 12:35
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truthinbeer,


We all live in the information age. Now, imagine if technology is already available to identify the real names of PPRuNers who post anonymously?


And how valuable that information may be to third parties?


Social media and blogging also helps to identify me and you.
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Old 12th Sep 2014, 14:18
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via tecman #34:
The comment I got from the local rangers was that the 1/3 of the total load supplied by the turbine made desalination of potable water feasible, reducing the drain on the water table in the face of increasingly dry seasons. I see that's also reflected in the Rottnest Authority info.
Actually, its 26% of the load. Fluctuates like the wind from year to year. Great for business planning...

http://www.rottnestisland.com/docs/s...3.pdf?sfvrsn=0

2013/14 report, page 25: "...All power requirements for the Island are generated on-site using a combination of diesel generators and a wind turbine. The RIA generates, distributes and retails power under licence from the Economic Regulation Authority.
The total power generated during the year was 4.9m kilowatts, of which 1.2m kilowatts (26%) was generated by the Island’s wind turbine, and the balance supplied through diesel generation.
The wind turbine generated the equivalent of 342,000 litres of diesel fuel, saving the RIA an estimated $490,000..."


Hmmm... now have they taken the diesel fuel rebate outa that..

...And what about all that extra maintenance... diesel generators running poorly while the wind power fluctuates all over the shop. Generators using diesel whilst on 'standby' mode to that glorious wind tower. Generators wearing out sooner then expected because of costly mis-use.....

And then there's that third rung of maintenance engineers required. No longer just the electrician and diesel mech, now there's the highly paid wind turbine maintenance crews working way up above the ground. Wonder what monetary percentage of the maintenance contract is sourced out to wind 'power' specialists..

Considering the Rottnest island wind 'power' generator stacks up poorly compared to diesel power, think how any wind 'power' generators stack up against the far, far more efficient coal power stations.

Something else to consider. There has been prior wind 'power' generator(s?) on Rottnest - very expensive disasters apparently. Should not all that wasted money be tacked onto the total costs of the Rottnest island wind 'power' fiasco..



The "drain on the water table"... Having a brief scan of some of the liturature on the subject ah dont see no reference to dry seasons. Do though see there has been more accommodation built. i.e., more people using water. There is also reference made to the tree planting being done that would reduce ground water.

http://www.water.wa.gov.au/Publicati...rst/107320.pdf










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Last edited by Flying Binghi; 12th Sep 2014 at 14:29.
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Old 12th Sep 2014, 14:36
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Germany is at the forefront of technological development in the wind energy sector. Excellent investment opportunities have led wind energy companies from around the world to base their operations here – both onshore and offshore. Get all the information you need to...
"Lawyers now getting involved..."

Spiegel: Germany?s Large-Scale Offshore Windpark Dream Morphs Into An Engineering And Cost Nightmare











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Old 12th Sep 2014, 21:51
  #52 (permalink)  
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The difference with a small island community running on disel is quite simple. The load can be shared when the wind blows as a combustion engine will come on line imedeatly. A coal plant can't do that. That's why you end up with grey and black outs. This makes the coal plant inificent. The problems lie as you can't produce wind on demand. And why then can't these wind frams produce there power and sell it them selfs at a rate that's fare to the Australian public. We have to subsidise the building then subsidised there output. Not a great bussiness model for the public. You can't do that with many other industry's. That's why we have the hugest power cost in the world.
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Old 12th Sep 2014, 22:32
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The annual subsidy for each wind turbine in Australia is $400k-$500k pa for 30 years plus. This subsidy is invariably going direct to the foreign domiciled company that owns it. Not only is the aussie tax payer getting hit with higher electricity costs, but there is no long term benefit to the economy as the subsidy is not spent here.
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Old 12th Sep 2014, 23:22
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Imagine if that money was put into some thing useful. Like hospitals and roads.
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Old 13th Sep 2014, 00:46
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You're right Yr right! I don't play poker. I prefer to rely on a factual approach where I know what I know. From an aviation standpoint though I had hoped that you might have had a more factual as opposed to a what if base for your thoughts given your exposure to the legal system and your standing as an expert witness for aviation matters. Still you make a good point S, you never know what the future holds and who knows what....
Stiky
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Old 13th Sep 2014, 03:07
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We'll the reason I said about poker is you don't give the game away to the opposition. And that's all. And like I said when it happens and it will I'm sure the support will be there.
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Old 13th Sep 2014, 06:36
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Hd. A lame is here in Australia. Licence aircraft maintenance engineer. Is is higher than your FAA inspector engineer.
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Old 13th Sep 2014, 09:10
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HD, in Australia as in Germany (which is still heavily reliant on coal fired power stations) we burn burn a blended coal that has a higher calorific value and lower emissions. This is in contrast to countries such as China and India who use old fashioned unblended coal.

As you point out we may have old power stations...the structures that is. The boilers have been modernised and use efficient burners.
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Old 13th Sep 2014, 09:37
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The annual subsidy for each wind turbine in Australia is $400k-$500k pa for 30 years plus
Reference please!
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