C-ement

[coin finder]

hi all this coin find, my Question does anyone have trouble with cement when you go detecting? every time I go by cement my detector go's haywire!! what is one to do ? even when I lower the sens it still go's crazy!! thanks Joe

 

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[Ryan1979]

Mine does too, I think it is because of the steel rebar in the cement That is the only thing I can think of.

 

[aa battery]

Yup rebar.

 

[DANGLANGLEY]

I don't know what kind of detector you use but I can tell you a way to hunt right beside the sidewalk with re-bar in it.

I hunt with an Ace 250 and I hold the coil right over one of the pieces of re- bar and then push the discriminate button and that will cancel out the re-bar pretty good. It does notch out one bar on the screen but right now I can't remember which one. That will let you hunt very close and will let you find lots more coins. I hope you can use this info with your detector. Best of luck to you.

DANGLANGLEY

 

[Ryan1979]

I don't know what kind of detector you use but I can tell you a way to hunt right beside the sidewalk with re-bar in it.

I hunt with an Ace 250 and I hold the coil right over one of the pieces of re- bar and then push the discriminate button and that will cancel out the re-bar pretty good. It does notch out one bar on the screen but right now I can't remember which one. That will let you hunt very close and will let you find lots more coins. I hope you can use this info with your detector. Best of luck to you.

DANGLANGLEY

Ah ha! I didn't know you could do that. I'm going to try that tonight when I go to the park!

 

[UnEarthed72]

I know about the rebar,but I'll tell you this one joint i hunt Ive been getting pretty good signals only to dig up these F@$#%*& coal like rocks and its driving me psycho....OH Sweet a 50/dollar hit....awwe shoot another rock...its crazy..i see alot of rusty looking iron type stuff too which could be doing it also.

It's like getting up the courage to talk too that really hot chic,only to get shot down..lol

 

[Ryan1979]

I know about the rebar,but I'll tell you this one joint i hunt Ive been getting pretty good signals only to dig up these F@$#%*& coal like rocks and its driving me psycho....OH Sweet a 50/dollar hit....awwe shoot another rock...its crazy..i see alot of rusty looking iron type stuff too which could be doing it also.

It's like getting up the courage to talk too that really hot chic,only to get shot down..lol

Strange you should mention those coal-like rocks. Are they really light in weight and shiny where they are broken? I keep getting signals on them too. Then when I dig them out of the ground, my MD doesn't sound off when I sweep them by the coil. However, the pinpointer continues to sound off when they're out of the ground. Anybody know what these are?

 

[ivan salis]

one bar on disc notch -- should cut out iron / rebar is steel /iron the first thing cut out in a notch type machine is iron -- not looking for relics -- notch out (on a notch type machine) or disc out the iron (on a knob type machine)-- its rebar be gone --poof --works like magic--- Ivan

 

[ivan salis]

the rock problem is caused "hot rocks" (rocks containing minerals that "ring" up as metal on metal detectors) its the"halo effect" -- which is the minerals that have leeched out of the "hot rocks" into the nearby soil -- that makes the machine "ring" up like its found metal -- however once the rock is dug -- the soil is disturbed enough that the helo effect dissappers --- the rock having leeched out its minerals into the surrounding ground doesn't ring up itself -- thus the magic disappering signal* -- although some times the signal will remain if there enough minerals left undisturbed still in the ground-- hope this helps -- the cure for hot rocks is disc them out if a area has lots of them or a very high mineral content --start low and slowly up the disc till the machine gets its head right but only till then no more-- because the higher the disc the more you lose -- so only enough disc to make the machine stable ---check with a nickle to be sure your disc is not too high if a nickle can be picked up so will the gold -- Ivan

 

[thompy]

clinkers from coal, thats all many homes used for heat back a few years.

 

[UnEarthed72]

I know about the rebar,but I'll tell you this one joint i hunt Ive been getting pretty good signals only to dig up these F@$#%*& coal like rocks and its driving me psycho....OH Sweet a 50/dollar hit....awwe shoot another rock...its crazy..i see alot of rusty looking iron type stuff too which could be doing it also.

It's like getting up the courage to talk too that really hot chic,only to get shot down..lol

Strange you should mention those coal-like rocks. Are they really light in weight and shiny where they are broken? I keep getting signals on them too. Then when I dig them out of the ground, my MD doesn't sound off when I sweep them by the coil. However, the pinpointer continues to sound off when they're out of the ground. Anybody know what these are?

Exactly Ryan. i saved a few of them here is a pic