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Offline xavier
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« Reply #50 on: January 24, 2014, 06:14:48 am »
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I was having another look at the photos that you posted and I noticed that you use ordinary tin-foil for your shielding.........this could be one of the problems that you are having.

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So many questions so little time
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« Reply #51 on: January 25, 2014, 06:39:11 am »
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please explain.
using the aluminum foil shielding coil.
the necessary space (gap)
tnx Noro

Posted on: January 25, 2014, 06:38:02 am
and for this schematic(sascho) is poor sensibility

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Offline xavier
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« Reply #52 on: January 26, 2014, 08:10:49 am »
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It could be that the aluminum foil is too thick, if you look at a data cable or better yet if you have an old printer cable and strip a part of it you will see the shielding inside. This kind of foil is so thin that they have it on a plastic film and even with the two layers (plastic and foil) it is thinner than the tin foil that you are using. Try using this to shield your coil, you may find that a lot of your problems will disappear. I have been using a graphite spray to shield my coils with but you have to be careful to spray it evenly and also remember to leave a gap in the shield like you would when winding foil shielding on a coil.     

Posted on: January 26, 2014, 03:08:18 pm
Come to think about it, it may be a good idea that you post a photo of your coils.

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« Reply #53 on: January 27, 2014, 11:57:32 am »
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yes I use thin aluminum foil tape, which fits very well with epoxy resin adhesive coil (of course after solidifying resin and wire connection with shield).
further isolate transparent tape
I will attach detailed pictures as soon
to charge the batteries from the camera
I think the problem is the loss of the cable spool assembly
Chinese cable usb
I wish you a good day
P. S. other schemes of Sascho were good, the last unfortunately.
I wish you a good day,

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« Reply #54 on: February 13, 2014, 02:30:58 pm »
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Hi Xavier, I get where I'm wrong, please tell me which option is better to shield coils DD, Mylar foil or graphite?
For now, to shield me TGSL version is all foil and acceptable work.
Going to change the coil + shield, according to information from the geotechforum and give aluminum tape shield.
tnx Noro

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« Reply #55 on: February 13, 2014, 03:49:34 pm »
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I've used this with good results.    Aluminum  you need a Mechanical connection   This can be soldered.  

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http://www.all-spec.com/products/1181-14.html?gclid=CO7WxtyJyrwCFctcMgodHj4ARw


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« Reply #56 on: February 14, 2014, 02:47:51 am »
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is one big problem:
a large amount of the metal foil including Cu, Al, masking the effect of the balance GB
with respect Noro

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