Re: [Vo]:Toroidal inductors

2008-03-08 Thread Horace Heffner
On Mar 7, 2008, at 2:25 PM, Robin van Spaandonk wrote: Hi, If one has two separate toroidally wound inductors, and one passes a DC current through each coil, do they experience any force from one another, particularly when sharing a common major axis? I'm interested in both theoretical

Re: [Vo]:Re: Tooo obvious for Detroit?

2008-03-08 Thread R C Macaulay
Howdy Vorts, People and their love affairs with their autos. Any fleet operator can show records that prove the Chevrolet autos and small trucks are the best all around. We have a chev fleet, we try other brands for experience but it's Chevrolet. Ever see a fleet of Lexus or Mercedes? Or

Re: [Vo]:Re: Tooo obvious for Detroit?

2008-03-08 Thread PHILIP WINESTONE
Yeah - even though I'm not North American by birth, I easily saw over the years, how much the public had been sucked into Japanese (and European) car mode. And the stupid NA auto manufacturers got just as sucked in and tried to compete with the little 4-cyl jobs. Americans were (and as far as

[Vo]:Re: Toroidal inductors

2008-03-08 Thread Michel Jullian
it is very easy to make a serious mistake in regard to the above, and which is not related to leakage flux at all. That mistake is to not ensure that an even number of winding layers is used for each torus, with winding direction reversed at layer termination boundaries, so as to

Re: [Vo]:The Kiplinger Letter: 03/07/08 comments on energy

2008-03-08 Thread OrionWorks
Howdy Richard, Just a couple of thoughts: The Kiplinger Letter's recent comments regarding 100 bb'o'crude. black gold reserves stashed away under ND certainly caught my eye. I'm puzzled over the fact that I do not personally recall anyone in the Vortex list ever mentioning the existence of this

Re: [Vo]:Re: Tooo obvious for Detroit?

2008-03-08 Thread R C Macaulay
Yep, Philip, We have unit 3 4 nuke plant starting construction soon at Bay City Texas.. part of the South Texas project. They are having their share of the problems using a Jap design .. plus the environmental problems to overcome. The problem with Nukes are... They can operate some 40-50

Re: [Vo]:The Kiplinger Letter: 03/07/08 comments on energy

2008-03-08 Thread Jones Beene
--- OrionWorks wrote: The Kiplinger Letter's recent comments regarding 100 bb'o'crude reserves stashed away under ND certainly caught my eye. I'm puzzled over the fact that I do not personally recall anyone in the Vortex list ever mentioning the existence of this potential natural resource ...

Re: [Vo]:The Kiplinger Letter: 03/07/08 comments on energy

2008-03-08 Thread Ron Wormus
Mostly correct but the Bakken is not a deep formation but a tight shale (no permability) that is saturated with oil but is very reluctant to give it up. It has been know forever it is basically everywhere under the Williston basin; you see it in every well drilled so that is great if it will

Re: [Vo]:The Kiplinger Letter: 03/07/08 comments on energy

2008-03-08 Thread R C Macaulay
Howdy Steven, The 2005 estimate USA crude consumption was some 20 million barrels per day and change, in other words, nobody actually knows for sure.. you can estimate the consumption is now some 21-22 mbd and counting. again nobody knows the actual tally ,nor do they know refining amounts

Re: [Vo]:Re: Toroidal inductors

2008-03-08 Thread Horace Heffner
On Mar 8, 2008, at 6:49 AM, Michel Jullian wrote: Indeed Horace you must be right that each winding layer not compensated by a reverse wound layer must act as a single turn current loop around the major axis, with the same current as in the winding. This effect, resulting from a turn of

Re: [Vo]:The Kiplinger Letter: 03/07/08 comments on energy

2008-03-08 Thread OrionWorks
Interesting comments from Jones, Richard, and Ron. I would certainly agree with the claim that The Kiplinger Letter is pro-business. I'm sure their main clientele is the Business owner (of both large and small operations) trying to figure out what the hell Washington is going to do next, and how

[Vo]:Failure and success are both complex, and sometimes one-and-the-same

2008-03-08 Thread Jed Rothwell
thomas malloy wrote: Terry Blanton wrote: I can't allow the denigration of engineers in the automotive industry continue. I had a friend who was an engineering manager in Detroit I agree, IMHO, it's the MBA's and the lawyers. Please, let us not oversimplify. Yes, there are cases such as

Re: [Vo]:Failure and success . . . correction

2008-03-08 Thread Jed Rothwell
I wrote: When the Confederates surrendered there were hundreds of thousands of Union soldiers who had never heard a shot fired in anger. Not hundreds of thousands. I think there were roughly a hundred thousand Union troops in training or waiting, who had never been deployed. More than all

Re: [Vo]:Re: Tooo obvious for Detroit?

2008-03-08 Thread Robin van Spaandonk
In reply to R C Macaulay's message of Sat, 8 Mar 2008 11:58:06 -0600: Hi, [snip] Yep, Philip, We have unit 3 4 nuke plant starting construction soon at Bay City Texas.. part of the South Texas project. They are having their share of the problems using a Jap design .. plus the environmental

Re: [Vo]:Toroidal inductors

2008-03-08 Thread Robin van Spaandonk
In reply to Horace Heffner's message of Fri, 7 Mar 2008 23:48:10 -0900: Thanks Horace, [snip] If both tori have an odd number of winding layers, or even if multiple winding layers are used but all or most proceed in the same major axis direction, or some combination of the above resulting

Re: [Vo]:Toroidal inductors

2008-03-08 Thread Robin van Spaandonk
In reply to Robin van Spaandonk's message of Sun, 09 Mar 2008 08:52:54 +1100: Hi, BTW, both tori would only have a single layer. [snip] This is along the lines of what I am trying to get at, though I was thinking more of interactions between the individual minor axis loops of one torus with

[Vo]:Christensen Innovator's Dilemma

2008-03-08 Thread Jed Rothwell
Looking over at my shelf of disaster-related books . . . I should list one of the best I have read: C. Christensen, The Innovator's Dilemma -- When New Technologies Cause Great Firms to Fail. I quote from this extensively in chapter 7 of my book. I did not read the book about Enron but I

[Vo]:Re: Christensen Innovator's Dilemma

2008-03-08 Thread Jones Beene
--- Jed Rothwell wrote: The book Fiasco: The American Military Adventure in Iraq has been widely recommended. I read a few chapters and it seems excellent but I still cannot bring myself to read it. I am still thinking about the article of Jim Holt, which was posted by Jack Smith a few days

Re: [Vo]:Toroidal inductors

2008-03-08 Thread Horace Heffner
On Mar 8, 2008, at 1:08 PM, Robin van Spaandonk wrote: In reply to Robin van Spaandonk's message of Sun, 09 Mar 2008 08:52:54 +1100: Hi, BTW, both tori would only have a single layer. [snip] This is along the lines of what I am trying to get at, though I was thinking more of

[Vo]:Broken Arrow not mended

2008-03-08 Thread Jones Beene
http://pacificfreepress.com/content/view/2347/81/ What missing nuke? The investigation is little more than a whitewash, so far. Was a false-flag operation averted by the brave soul who snitched? Why has Congress not been holding public hearings into the incident? The only reason for the high

Re: [Vo]:Toroidal inductors

2008-03-08 Thread Robin van Spaandonk
In reply to Horace Heffner's message of Sat, 8 Mar 2008 15:15:02 -0900: Hi Horace, [snip] Since you are talking about single layer tori, they both have major axis hoop currents, and thus the confined fields of both tori are shared with, overlap, the hoop fields of the opposed tori, and thus

Re: [Vo]:Toroidal inductors

2008-03-08 Thread John Berry
Not read any of this thread yet, but it reminds me of a thought I had yesterday, I wondered if I could find a way to make a time varying magnetic field not cause induction, and my conclusion is that I could. I could (at one point anyway) cancel the inductive field around a solenoid if I wound it