Hi Stan and All, Stan, In post 73 you asked about the MOV's I have used. They are the GE brand, part numbers: 480L40 capacitance = 224pF (480VAc rated) ...
93
Stan Mayer
STANMAYER@...
Jul 16, 2001 6:24 am
... from different manufacturer. ... area on the MEG_Builders site I will download some PIC's of the MOV's and my MEG's David, Thanks much for the info. As...
94
Digitoxin
digitoxin@...
Jul 18, 2001 2:40 pm
Hi! Attached is a picture which describes why those measurements were/are wrong. short: DISPLACEMENT CURRENTS which appear at those high dU/dt Digitoxin...
95
Digitoxin
digitoxin@...
Jul 18, 2001 7:13 pm
Hi! Here are 2 experiments that proof that all measurements which mesaured current and voltage with the scope ground between the current-measure-resistor and...
96
Stan Mayer
STANMAYER@...
Jul 20, 2001 3:27 pm
I will shortly be "posting" a picture of my old ferrite cored meg in the files area. As I recently received an AMCC-320 core, I will be building a new MEG...
97
Stan Mayer
STANMAYER@...
Jul 20, 2001 10:34 pm
This is just to call your attention to the fact that on 7/11/01 David Ball uploaded two photos of his megs to the "Subcriber39;s Meg" section of files area. ...
98
Stan Mayer
STANMAYER@...
Jul 20, 2001 10:41 pm
This is just to call your attention to the fact that today I uploaded a MEG design drawing from Digitoxin to the "Subcriber39;s Meg" section of the files area....
99
Stan Mayer
STANMAYER@...
Jul 21, 2001 4:10 am
Does anybody know of a source for SOFT ferrite rods. What I mean by soft is easily machinable, something that you can perhaps cut with a hacksaw and shape...
100
Andrew Thorp
arthorp@...
Jul 21, 2001 1:57 pm
Stan, I dont really know what your end use is, but recently I have hunted down some 'soft' or non-magnetically retentive iron for my adams motor cores. It ...
101
Stan Mayer
STANMAYER@...
Jul 21, 2001 3:25 pm
... motor cores. It ... Well while I don't know if the material might be applicable for my purpose (I need some magnetic shim or spacer stock to insert and...
102
Andrew Thorp
arthorp@...
Jul 22, 2001 12:11 am
Stan, Non-magnetically retentive iron is the technical term for what is informally known as soft iron. You can treat it just like mild steel except for the mag...
103
Stan Mayer
STANMAYER@...
Jul 22, 2001 12:17 am
... informally ... for the mag ... measured ... could ring ... found them ... Great minds think alike ;-) This was no great surprise. Pure iron (Fe) as I...
104
Andrew King
andrew.king@...
Jul 22, 2001 4:28 pm
This is a very pertinent question - it is unlikely that one can find magnets having the exact dimensions to fit inside ones MEG core, so some kind of shim...
105
Michael Couch
cmichael_couch@...
Jul 22, 2001 11:49 pm
Stan, Any further development with the spherical magnet MEG yet? Did you test the 1/2" Spherical Magnet. Michael Couch mc@... ...
106
Stan Mayer
STANMAYER@...
Jul 23, 2001 12:00 am
... test the ... Michael, I do not have a 1/2" spherical magnet and never did. I am waiting for the 3/4" one that you are shipping. You have guessed correctly...
107
Stan Mayer
STANMAYER@...
Jul 23, 2001 3:24 pm
Andrew, In a recent post in regards to magnetic shim materials, part of your message said "... I currently have no more than about .05mm play, so will try that...
108
Michael Couch
cmichael_couch@...
Jul 23, 2001 3:25 pm
Stan, Sorry,I don't know where I got the idea that you had a 1/2" Round magnet already. I'll go ahead and send the 3/4" as soon as I can. I may get two and...
109
Stan Mayer
STANMAYER@...
Jul 23, 2001 4:38 pm
... magnet ... get two ... Good! The idea of your doing some simple testing of a 3/4" sphere magnet for possible efficient polarity reversal prior to sending...
110
David Ball
david@...
Jul 24, 2001 2:29 am
Hi Michael & Stan, I did some trials with black sand some time ago. - unrelated to MEG. In New Zealand (not Australia, I'm a New Zealander) our west coast...
111
Andrew Thorp
arthorp@...
Jul 24, 2001 1:10 pm
Hi David, You didnt happen to go to Piha for the sand did you? What you described is somthing that I have been meaning to play with, but havent got around to...
112
Michael Couch
cmichael_couch@...
Jul 24, 2001 1:11 pm
Dave, Thanks for the response. The stuff I found in our white sand was probably iron residue then because very little of it was black. Some of it looked like...
113
Andrew Thorp
arthorp@...
Jul 24, 2001 1:12 pm
Hi David, You didnt happen to go to Piha for the sand did you? What you described is somthing that I have been meaning to play with, but havent got around to...
114
Andrew King
andrew.king@...
Jul 24, 2001 3:20 pm
Hi Stan, You will have seen my reply which yo ,may post on the list if you think it worthwhile. Andrew ... From: "Stan Mayer" <STANMAYER@...> To:...
115
Stan Mayer
STANMAYER@...
Jul 24, 2001 4:55 pm
... think it ... Andrew, I understand you to say that I can "post" your reply to a personal email from me that contained some observations about your MEG ...
116
Andrew King
andrew.king@...
Jul 24, 2001 10:56 pm
Hi Stan, I think it came across anyway! I'm happy for you to post anything I sent Andy. ... From: "Stan Mayer" <STANMAYER@...> To:...
117
david@...
Jul 25, 2001 1:09 am
... Michael, ... probably ... looked ... just ... expensive? Sorry I don't know about USA. In NZ we have a small steel industry which actually refines the...
118
Dave N.
dnarby@...
Jul 25, 2001 4:51 am
All,
Posted this earlier, think you may have missed it...
-----------------
> Is that black sand from which "near metglass" results were obtained,
common
>...
119
Stan Mayer
STANMAYER@...
Jul 25, 2001 6:58 pm
Mr. Digitoxin, I have been meaning to reply to your posts and meg design drawing for some time. First off I want to say that I find your load notes and MEG...
120
Digitoxin
digitoxin@...
Jul 28, 2001 8:07 pm
Hi! Here is some additinal info on the MEG. First I want to draw attention to the many explanations of the MEG that came up using the B/H-curve as an...
121
David Ball
david@...
Jul 30, 2001 12:59 am
Hi Digitoxin, Thanks very much for your MEG insight! Since your posting a few weeks ago regarding "Displacement current" etc I have been considering how the E...