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Coinstrike question nobody asked?
Posted by: u2robert
Date: January 12, 2018 12:07AM
I have been reading all I can on the Coinstrike and the question I can't find an answer to is this the coin$ has a salt mode S1 yet it's a single frequency detector 7khz I've read. I have detected the wet sand/salt at the beaches in Florida for years the detector of choice for me is/was the Fisher CZ lineup which works very well in wet sand /salt I have also used the Explorer 2, Excalibur2, all fine salt water machines. but I have also tried single frequency machines and none ran stable enough to detect wet sand/salt so how does the single frequency Coinstrike work in wet sand if it's only single frequency?

Re: Coinstrike question nobody asked?
Posted by: u2robert
Date: January 12, 2018 12:11PM
What 36 views and nobody has anything to add?

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Re: Coinstrike question nobody asked?
Posted by: lytle78
Date: January 12, 2018 11:19PM
Based on my total non knowledge of the detector, I would suspect that it has a function similar to the “black sand” toffee on the IDX Pro. If this is the case, it shifts the discrimination range downwards to included the very low phase shift of wet salt.

This series of machines was designed, I believe by a Bulgarian employee of Fisher - Ditimar (I think) - Good engineer by all accounts, but not especially well versed in the realities of dirtfishing.



Rick Kempf

Re: Coinstrike question nobody asked?
Posted by: u2robert
Date: January 13, 2018 10:19AM
Yes well made unit, so what I will do is take it to the coast in the next week or so and let everyone know how it operated in wet sand/salt.

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Usually in the salt mode
Posted by: vlad
Date: January 13, 2018 11:16AM
the front end (transmit) is cut back a little to make it more stable
It does help some in salt to run what is called a "double ground balance" too.

Re: Usually in the salt mode
Posted by: u2robert
Date: January 14, 2018 12:40AM
"Double ground Balance" could you explane?

Re: Usually in the salt mode
Posted by: u2robert
Date: January 14, 2018 01:12AM
explain

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Double ground balance was a term that came out with the 1st motion units.
Posted by: vlad
Date: January 14, 2018 05:52PM
George Paine may have originated it. (some units were set slighty negative in the motion mode-especially preset ones)
Ground balance the detector bobbing it to set the AM (stat) mode and try to get it set proper. Unless you are experiencing falsing, do not set it slightly positive.
(the discriminate mode is tied to that reference point)
When I refer to a double ground balance what I do is I add some very slight iron disc. to account for mineral (as opposed to being wide open.)
You can adjust the amount some to vary results. (you can add more to offset wet salt effect-and aid stability)
Charles Garrett has written on this (and Monte has also here on Finds.)



Edited 1 time(s). Last edit at 01/14/2018 05:59PM by vlad.

Re: Double ground balance was a term that came out with the 1st motion units.
Posted by: u2robert
Date: January 15, 2018 03:42PM
Thanks vlad,

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