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Trimblemill

 
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Pepperman



Joined: 10 Oct 2010
Posts: 759

PostPosted: Sat Apr 18, 2015 10:02 am    Post subject: Trimblemill Reply with quote

A bit of history that might be of interest...

Last night a met someone who installed an early wind turbine in the UK called the Trimblemill. It had two sets of contra-rotating blades and was used purely to dump heat into a large water tank which was then used for space heating and hot water (I guess it acted like an early thermal store using some sort of heat exchanger to get heat to the radiators). The guy said the company had been composed entirely of technical bods and had no salesmen so it didn't last long sadly.

I came across some notes from one of the people involved:

http://met-net.co.uk/Upload/634284768068750000.pdf
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Catweazle



Joined: 17 Feb 2008
Posts: 2189
Location: Little England, over the hills

PostPosted: Sun Apr 19, 2015 9:43 pm    Post subject: Reply with quote

I like the idea of simple wind generators connected directly to water heaters. No rectifiers, no inverters, no batteries, not much to go wrong.

My preferred generator will be a vertical type installed in a hedge line. I added a gate to an existing hedge and was amazed at the strength of the wind funnelled though the gap.
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emordnilap



Joined: 05 Sep 2007
Posts: 13973
Location: Houǝsʇlʎ' ᴉʇ,s ɹǝɐllʎ uoʇ ʍoɹʇɥ ʇɥǝ ǝɟɟoɹʇ' pou,ʇ ǝʌǝu qoʇɥǝɹ˙

PostPosted: Mon Apr 20, 2015 2:25 pm    Post subject: Reply with quote

Interesting document Pepperman. It mentions two existing models in Ireland. I wonder where exactly.
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fuzzy



Joined: 29 Nov 2013
Posts: 594
Location: The Marches, UK

PostPosted: Mon Apr 20, 2015 9:29 pm    Post subject: Reply with quote

Catweazle wrote:
I like the idea of simple wind generators connected directly to water heaters. No rectifiers, no inverters, no batteries, not much to go wrong.

My preferred generator will be a vertical type installed in a hedge line. I added a gate to an existing hedge and was amazed at the strength of the wind funnelled though the gap.


Yes, simple has to be a bonus for long term. Something the well lobbying gas heating industry has managed to design out. I have often thought that a large vertical wind generator between hills could have guylines to the peaks from the top of the structure. As they point out in the text - none of the current designs are in fact turbines.
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Catweazle



Joined: 17 Feb 2008
Posts: 2189
Location: Little England, over the hills

PostPosted: Mon Apr 20, 2015 9:55 pm    Post subject: Reply with quote

fuzzy wrote:
Catweazle wrote:
I like the idea of simple wind generators connected directly to water heaters. No rectifiers, no inverters, no batteries, not much to go wrong.

My preferred generator will be a vertical type installed in a hedge line. I added a gate to an existing hedge and was amazed at the strength of the wind funnelled though the gap.


Yes, simple has to be a bonus for long term. Something the well lobbying gas heating industry has managed to design out. I have often thought that a large vertical wind generator between hills could have guylines to the peaks from the top of the structure. As they point out in the text - none of the current designs are in fact turbines.


The hedgeline idea is good. I bought a field next to one that I got with the house, it made sense to have a gate between the two. There was an existing hedge / wall - 4 feet of stone wall with blackthorn on top to about 12 feet total. The wind that funnels through the gate is amazing. On a day with a light breeze, one that you can barely feel on your skin, the wind whistles through the gate.

It's an obvious place for a vertical generator, with added benefit that it uses little productive land.
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