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Offline xavier
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« Reply #40 on: April 12, 2015, 03:54:03 pm »
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Well I have a 2 pin crystal for him but if you're going to change it to a 4 pin then I can't help him. 

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« Reply #41 on: April 12, 2015, 03:57:54 pm »
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   Got my parts list working here.   I have everything but the X   .   Vero board is good for stuff like this.  I can burn boards but this is not worth the trouble.   

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« Reply #42 on: April 12, 2015, 04:04:57 pm »
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Quote:Posted by xavier
Well I have a 2 pin crystal for him but if you're going to change it to a 4 pin then I can't help him. 

I will let Homie decide how he wants to build it. He is the one who will be using it.

Dusty Carl

Posted on: April 12, 2015, 02:58:22 pm
I plan to build mine inline on a narrow board so I can put it into a small pipe. I assume the detdctor is using a ferrite rod coil.

Dusty Carl

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A bad day at gold prospecting or metal detecting is better than a good day at work.

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Offline xavier
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« Reply #43 on: April 12, 2015, 04:30:16 pm »
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Yes from the video the rod is 50mm long and the coil 40mm long on a Teflon reel, induction of the coil is 2290uH 0.3mm magnet wire (the schematic has a different coil setup)

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« Reply #44 on: April 13, 2015, 01:15:17 am »
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http://www.youtube.com/watch?v=qB_fXZESr_w



and what you all think of this video Hello

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my machines at work http://mueller-meteoriten.de

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Offline xavier
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« Reply #45 on: April 13, 2015, 05:50:59 am »
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 Shocked That's ridiculous, who wants a pin pointer that detects a coin at over 300mm? very impressive though but I for one don't want it.

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« Reply #46 on: April 13, 2015, 06:15:02 am »
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   Post English Only Please.

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« Reply #47 on: April 13, 2015, 06:40:15 am »
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That"s right Xavier. That's not a pinpointer, it qualifies as a metal detector. He must not get the jist of what the word pinpointer  means.

Dusty Carl

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Offline xavier
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« Reply #48 on: April 13, 2015, 08:09:37 am »
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Yes and can you imagine how unstable it must be in the field, it will detect all the minerals in the ground. 

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« Reply #49 on: April 13, 2015, 11:38:36 am »
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Quote:Posted by xavier
Yes and can you imagine how unstable it must be in the field, it will detect all the minerals in the ground. 


Bench tests are the proof of concepters but field tests are the real "provers"..

Dusty Carl




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