Originally posted by bernte_one
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Hi Bernd,
Glad to hear my PCB worked for you. I have not tried any of the substitute parts that have been suggested on here - I would like to know how you get on with them, and if there are any improvemnets in detection.
It would be nice to try a dual field coil but i think much more difficult to manufacture into a useable coil for beach work. The mono coils are so easy to put together using PVC pipe, and they are rugged and waterproof, how could we do that with a dual field coil?
Regards, Jim.
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hello jim
i would be easy with the dual coil if you take a concentric coil housing
for example a diy vacuum formed
in that coil you can place the dual field coil, the connector area (where the conector cable goes through) has to be filled with resin or clear laquer
and the rest of the shell could be filled with pu foam
or you find a souce where you can buy the original type of housing
(if you find let me know)
regards
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Here is my double coil. Everything is attached with multipurpose construction clue and waterproof is made with silicone. Output is water pipe T model wich has rubber tightener inside and gives waterproof output.
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Originally posted by Jeroi View Post...and waterproof is made with silicone.
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hello jeroi
how is the performance of your detector
have you tested your coil already?
go on, looks good
have my assembled in special shielded housing but im still not sure what coil i will use at the end
monoloop in bended water pipe with t connector
or a dual field like yous in massive coil body
heavy decision
regards
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hello
my video is here
http://www.geotech1.com/forums/showp...8&postcount=39
hope its alright and works
not found the ensetup but it shows tat project works
regards
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Originally posted by Davor View Post...which keeps water from entering a contraption but also keeps vinegar fumes inside (released by silicone), and not too long after your copper connections will surely corrode. I did this mistake some time ago with a balun transformer. The entrails of it were mostly disintegrated after only one season
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Originally posted by bernte_one View Posthello
my video is here
http://www.geotech1.com/forums/showp...8&postcount=39
hope its alright and works
not found the ensetup but it shows tat project works
regards
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