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what is really going on with the weather   -   Page   4
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Posted: Tue Jan 8th, 2013 10:56
 
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KenRay



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Never actually used a circular one except for aircraft navigation. In college I used a Deitzen (sp) Log Log Duplex Decitrig which was more or less the standard and in it's brown leather case hung at the side of almost all Engineering students. After college I used mostly a 6" Post or Pickett (can't remember as that was a LOOONG time ago) that was Aluminum and If memory serves was Yellow. Most carried it in their pencil protector in their shirt pocket. As far as global warming goes for every expert you show The other view can show an equal number with equal qualifications. Seems like I remember that all the hoopla about faking data came from British Universities, but that too was probably exaggerated here in the colonies. From some studies I have read all the pollution since the beginning of time attributed to mankind is surpassed by even the eruption of Mt St Helen much less Krakatoa in the 1800's which left the skys changed around the world for several years. Now wheather these are facts or opinions I will certainly leave up to your superior intellect as I am reluctant to make such positive statements of knowledge my own self. I actually once had a liberal thought but on further introspection realized I was incorrect.



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Posted: Tue Jan 8th, 2013 10:58
 
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jk



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Mine looks identical to this one.


Attachment: 600st_front.gif (Downloaded 25 times)



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Posted: Tue Jan 8th, 2013 13:35
 
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Eric



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The Otis also doubles as a weapon when other mad scientists annoy you.

It can be used as a club....or inserted!!!

:rofl:


Back to weather thread topic.....

I've been told my neighbour shelled out £10000 for his solar panel installation and expects a 8-10 year payback...though it adds saleable value to his home as well.

Unless I am missing something on the 'feed in tariff' scheme, my £800 pa electric bill would take longer to payback!



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Posted: Tue Jan 8th, 2013 15:01
 
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richw



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Eric wrote:
The Otis also doubles as a weapon when other mad scientists annoy you.

It can be used as a club....or inserted!!!

:rofl:


Back to weather thread topic.....

I've been told my neighbour shelled out £10000 for his solar panel installation and expects a 8-10 year payback...though it adds saleable value to his home as well.

Unless I am missing something on the 'feed in tariff' scheme, my £800 pa electric bill would take longer to payback!


You can normally sell the excess back to the grid, and on occasion you may need more than it will produce so it's complex, but if you're neighbour spent 10K a month ago, it'll be less now. They have hit the stage in production volume like computer memory did where the output is getting better and better and the price is plummeting. Cost of camera memory cards would be a good parallel.

 




Posted: Tue Jan 8th, 2013 16:46
 
35th Post
Eric



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richw wrote:
Eric wrote:
The Otis also doubles as a weapon when other mad scientists annoy you.

It can be used as a club....or inserted!!!

:rofl:


Back to weather thread topic.....

I've been told my neighbour shelled out £10000 for his solar panel installation and expects a 8-10 year payback...though it adds saleable value to his home as well.


Unless I am missing something on the 'feed in tariff' scheme, my £800 pa electric bill would take longer to payback!


You can normally sell the excess back to the grid, and on occasion you may need more than it will produce so it's complex, but if you're neighbour spent 10K a month ago, it'll be less now. They have hit the stage in production volume like computer memory did where the output is getting better and better and the price is plummeting. Cost of camera memory cards would be a good parallel.



He had it fitted in September!
Interesting, may have to make some enquiries.




:baffled:



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Posted: Tue Jan 8th, 2013 22:41
 
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KenRay



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That's basically the circular slide rule I remember. The circulars are more accurate than the regular rules as they are in fact longer therefore the divisions are more accurately read.



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Posted: Wed Jan 9th, 2013 02:34
 
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jk



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KenRay wrote: That's basically the circular slide rule I remember. The circulars are more accurate than the regular rules as they are in fact longer therefore the divisions are more accurately read.

I used to use mine all the time until 1973 when I went to university where I got an electronic calculator.



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Posted: Wed Jan 9th, 2013 09:53
 
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KenRay



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Sadly when I went to the University they didn't yet have pocket calculators. They had the absolute latest in wind-tunnels and animal husbandry facilities but ,alas,no computers. When I took drafting it was with pencil pen and ink. I think they are called the 'old' days though some probably refer to them as the dark ages. Beleive it or not the classrooms and dorms were not even air conditioned. For some reason we managed to get an education in spite of all this.



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