I made a serious error in judgement today...:rage:

[BarnacleBill]

I ventured out wading using the CZ-70 and took the shovel on the left.
[attachment 42856 shov4.jpg]

I ended up leaving several targets in the ground, but tomorrow the shovel on the right goes along, back to get those targets, dag'nabit!

Yesterday I took two other detectors through the same area, neither is coming close to the depth the CZ-70 is demanding. But then again, I can run the CZ-70 flat out at Sens=10 with a perfect GB of 2 1/2 in a sand and hot gravel bottom with perfect stability. The other two single freq machines had to have their sensitivity's reduced to as low as 80% to remain stable.

HH
BarnacleBill

 

[AllenOK]

If so, have you thought about using a water scoop, and maybe a floating sifter?

HH from Allen in OK

 

[Tinfoil]

n/t

 

[BarnacleBill]

[attachment 42890 spanksm.gif]



HH
BarnacleBill

 

[BarnacleBill]

Yep, and I have a couple of sifters, scoop etc. The situation I ran into was that there is a layer of sand about 8 inches deep which the small shovels do fine on. But when I took the CZ along she is seeing much deeper(as expected) and the sand sits on a layer of this stuff(rocks), but very densely packed.


[attachment 42892 Soft2.jpg]

Scoops are useless as you'll never get one down into it, and with a sifter you end up with a big pile of rocks in your sifter. Over the years the best technique I have found is to get the target up to the surface with a spade shovel, and then pick thru the pile with a small plastic one. I carry a Vibraprobe, but bending over and sorting through a pile of rocks becomes a back breaker after 20 targets or so.

When working in sand/light gravel the plastic shovels work great(I buy a half dozen at a time). Once I get a target in the shovel, I set the coil on the lake bottom and swirl the shovel gently above it, like panning to remove the overburden, until the target appears. If I swirl the target off the shovel, it falls past the detector coil on it's way to the bottom. If the water is shallow enough I can usually hear the target reporting on the detector as the shovel is moving, which let's me know it's still in the shovel.




HH
BarnacleBill