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I stand corrected! Reg's DD coil operates great in the surf

A

Anonymous

Guest
Last month when testing out my modified GQ SS with both the mono and DD coil on both dry land and surf, I failed to understand the DD coil needs the delay on the GQ SS adjusted to get maximum performance when hunting in the surf. Without the proper delay adjustment the unit will false when entering the surf making surf hunting impossible. The GQ SS mono coil didn't need the delay adjusted and operated well in or out of the surf, Because of this, I assumed the DD coil should perform the same.
Recently modified my project pi to accepts both the mono and DD coils as well as a mini probe using the same connectors "male and female" as the modified GQ SS, Because of this I can use the modified coils from the GQ SS to operate on my Project pi. Also made sure to waterproof the 11" DD coil even though I felt it was.
Instead of carrying two detectors out to the beach this morning to test them against each other, My project pi was fastened to my hip and the Modified GQ SS detector held the coil to be used for the project pi and used the same headset for both units. All I had to do was disconnect the coil cable and mount to which ever detector I wanted to use for test comparison or for serious Pi searching.
The Headhunter Pi project accepted the 11" DD coil and operates fantastic with no falsing in or out of the surf, The threshold was super smooth even in the water. The delay on the Headhunter pi project didn't need to be adjusted to help the DD coil, The unit accepted the DD coil with open arms
Hooked the 11" DD coil cable to the GQ SS and again the unit was operating fantastic with the corrected delay adjustment even in the water. In fact! I was able to reduce the Sat speed on the GQ SS bringing back the loss of depth from the new delay setting helping the unit perform with both a super smooth threshold and great depth regardless if searching the wet sand or in the surf.
After testing out the 11" DD coil on both units, I switched back to the 11" mono coil and again the Headhunter project Pi accepted the 11" mono coil helping the unit perform prefect with a super smooth threshold.
<img src="http://www.thetreasuredepot.com/photos/0010aSurfhunting.jpg" alt="" />
In the picture above, I'm using my Headhunter pi project with Reg Sniff's 11" DD coil. I'm impressed, This coil operates well in the surf
<img src="http://www.thetreasuredepot.com/photos/0010atwopiunits.JPG" alt="" />
The delay on the Headhunter pi project didn't need to be adjusted to help the DD coil, The unit accepted the DD coil with open arms.
Notice how the Headhunter Project pi above hooks up to my waist and can easily switch coil cable from one machine to the other, This set-up made it so much easier to compare both units.
<img src="http://www.thetreasuredepot.com/photos/0010HeadhunterProbedetector.jpg" alt="" />
Here's a close up shot of the project pi attached to the probe with a spare Headhunter pi circuit board laying beside.
Thanks for looking,
HH, Paul (Ca)
 
Thanks Scott,
The Headhunter Pi circuit board was my number one choice for my project, Glad I did because this board easily accepted the DD modification, the smaller probe and operates great with the 10 uS GQ SS coils. In fact! It's almost performing as well on depth as the GQ SS <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
After studying the jumpers on the mono coil connectors and how the third coil wire lead is soldered into the circuit board on that resistor just above the splice, I was able to perform the same on the Headhunter Pi project board, The two boards are a little different and the HH pi cut on the board was in a different area from the GQ SS. Mr. Bill showed me the area to cut on the HH Pi and from here was able to solder in that third coil lead to that resistor above the cut. Amazing how those jumpers united both the mono and DD coil to operate off the same connector. Did the same on the probe connector, added on the same connector as the GQ SS and added on the jumpers making it work off the DD/mono connector.
It's been an exciting two months since buying the modified GQ SS from you, I've learned allot and understand more about the Headhunter pi and GQ SS.
Thanks again,
HH, Paul (Ca)
 
Hi Bill,
The 10 uS coils mounted on the Headhunter Pi is what added more punch and stability to the unit, Because of the GQ SS coils, the HH Pi almost performs as well as the GQ SS.
Thanks again for your help <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
HH, Paul (Ca)
 
I hoped that it would perform well in the water and be less susceptible to threshold variations.
Eric.
 
Hello Eric,
As you know I'm new to the advanced Pi units of today and still learning, I feel the DD pulse coil will be accepted and used more in the future. One advantage to the DD coil is the use of a less SAT speed which sometimes brings the DD up to speed on depth as the mono coil under certain soil conditions. The depth between the two "Mono and DD" is almost the same with the DD not faring as well with about an inch or 1 1/2 inches less at most. In the surf the 11" DD coil Reg made worked well keeping a steady threshold.
Keep us posted when you complete a DD coil and Congrats to your sons wedding <img src="/metal/html/smile.gif" border=0 width=15 height=15 alt=":)">
HH, Paul (Ca)
 
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