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Mats =?iso-8859-1?Q?Blickstr=F6m?
03-18-2000, 09:38 PM
Hi Dale,


I get back to you this coming week.


Mats is today a name and its used as that, but its probably a shot of


Matheus or similar.


--


I remember when Explorer was a Swedish liquor


/M Blickström


Dale Seppa wrote:


> The Proton Mag Forum


>


> Mats:


>


> (Is that a common name in Sweden or is it a "nickname"? I am


> 1/8 Swedish, rest is Finlander.)


>


> I THINK (not know) that you are making the same mistake I made


> when I got on this forum. My mistake was reading only the


> archives that had titles that SEEMed appropriate. Many of the


> titles are completely inappropriate in relation to the content


> of the posting.


>


> I will give you a partial answer to you question and you will


> probably get a lot more feedback from others which will


> complete the answer particularly after you look at ALL of the


> past archival entries. Once you do that ask all the questions


> you want because there is really a great bunch of guys on this


> forum who, in the aggegate, know EVERYTHING there is to know


> about this subject.


>


> Other than basic electronic information and soldering/assembly


> skills my IMPRESSION is that anyone can build any of the units


> that I show below, although once built, it might require more


> tuning, more learning, more experimentation before you finally


> have it right. DO locate and buy the book from M. L. Dalton


> in Dallas, TX. There is much information there although some


> of it is dated and Mr. Dalton's second career, by my


> perception, is that of a political commentator which he


> sometimes mixes in with the technical literature. I have


> spoken to him a few times and have gone over his literature


> and he is a VERY intelligent man and a TRUE pioneer in this


> field.


>


> For all of these we are looking at under $US300.00 plus of


> course shipping, customs duties, etc. in your case. Couple


> probably far under this.


>


> FATQUARTERS software sells a kit which I believe has two


> fluxgate sensors. I believe this design is from Carl Moreland


> originally.


>


> Phil Barnes has an EXCELLENT CDROM for US$ 29.95 plust


> (presumable) air post to sweden. This includes a design for a


> unit with solenoidal sensors.


>


> Jim Koehler has an excellent, although not fully Beta tested


> yet. In actual fact he is close to a finished document but I


> BELIEVE he will make a few more changes before it is


> finalized. I believe for your proposed use this might be the


> unit you should select, although it may take a bit longer to


> get finished. He now has some initial data for larger liquid


> filled toroidal coils which should be IDEAL for your purposes.


> Unfortunately, these coils will result in a staff (sometimes


> called "beam") which will weight 10 Kilos or more, which is


> too heavy for portable field use, which is what I am


> interested in. Jim has, most graciously, published, on the


> web, his full plans for the unit. You MUST download this. He


> also has a spreadsheet so you can calculate things about


> either solenoidal or toroidal coils. If you have spreadsheet


> knowledge (preferably Excell) You MUST download this also.


>


> Other than Jim's, huge manuscript, the parts, some electronic


> assembly skills, you MUST learn how to make the liquid filled


> toroidal sensors. Assuming you take my suggestions, but wait


> until you see everybody else's ideas first - the larger


> sensors will be what you will use. I will be glad to fill you


> in on details on these. BUT, after making a firm decision to


> go that way, the first thing you will have to do is to GET the


> toroidal forms. In Ireland they use them as floats on


> commercial fishing nets. They are toroids (donuts), about


> 198 mm (8 inches) outside diameter and about 4 7/8 inches on


> the ID and the diameter that forms the toroid "donut" is 1.65


> inches. (If nothing else you will now get a little bit of


> practice converting inches to meters. - If you do convert them


> ACCURATELY, give me the numbers please.) They are made of a


> hard plastic. So far we know of green and gray - but of


> course, the color makes no difference.


>


> If, (after reading the forum, Phil's CD, Jim's document and


> maybe the Dalton literature) you decide that you would like to


> do a proton magnetomer with LARGE toroidal sensors, you have


> to find out if those are available in Sweden. If they are,


> plese let me know, and let me know the price, AND the minimum


> quantitity that you can order. If you cannot find them there


> I will get some for you BUT the problem is that my only source


> I have to make a relatively big order and pay postage from


> Ireland and then of course postage to Sweden. Don't make much


> sense if you can get them there. Still even at that, if they


> cost you 10 or 20 bucks (buck = US dollar) it is not a big


> deal in relation to the total cost and importance of the


> project.


>


> Also, you have a very important expert from sweden on this


> forum and I assume he will eventually get in touch with you.


> You have both given me inferiority complexes as your written


> English is as good if not better than mine.


>


> Best regards,


>


> Dale


> --- Original Message -----


> From: "Mats Blickström"


> To: "The Proton Mag Forum"


> Sent: Saturday, March 18, 2000 10:57 AM


> Subject: Help!


>


> > The Proton Mag Forum


> >


> > Hi,


> > I'm a scuba divers for Sweden. We do a lot of diving i the


> Baltic see


> > and its full of wrecks.


> > The problem is to find them. Now i wonder if somebody have


> blueprint and


> > schematics of a Uv-mag.


> > I lack the knowledge to design one my self.


> >


> > Regards Mats


> >


> >


> >


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