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Thinking about trying a different coil on F75 LTD. Suggestions?
- Thread starter pvtcook
- Start date
I'm funny about coils. I know there are all kinds of after market coils available for most detectors. That said I prefer the factory coils recommended for the particular detector I am using.
One........ No coil, or machine, works the same for everyone as it does for the people who state their experience in their dirt. While they may get great coverage, and extra depth on their particular site.You may not experience the same in your area.
It has always made sense to me that a coil made for the detector you use factory tuned will overall work better in more places.
Most after market coils are larger in diameter too.This is coil specific size to the nearest one you have.So you will get a little more coverage, and maybe a little more depth in some areas. Another thing I have noticed is people post one day of detecting, and taught out how great the coil is.Then a few weeks later the coil is for sale...
I'm not saying I am right..I'm just saying don't get caught up in the after market hoopla.. Sometimes if you think something is better then you do better.. More attention is paid to what your doing while detecting.
Your choice...I'll stick with the factory stuff....
One........ No coil, or machine, works the same for everyone as it does for the people who state their experience in their dirt. While they may get great coverage, and extra depth on their particular site.You may not experience the same in your area.
It has always made sense to me that a coil made for the detector you use factory tuned will overall work better in more places.
Most after market coils are larger in diameter too.This is coil specific size to the nearest one you have.So you will get a little more coverage, and maybe a little more depth in some areas. Another thing I have noticed is people post one day of detecting, and taught out how great the coil is.Then a few weeks later the coil is for sale...
I'm not saying I am right..I'm just saying don't get caught up in the after market hoopla.. Sometimes if you think something is better then you do better.. More attention is paid to what your doing while detecting.
Your choice...I'll stick with the factory stuff....
sprchng
Well-known member
Elton , seems I recall you looking for a 10" concentric to try on your F75 a while back. Did you ever find one and what was the result? I thought I saw an ad for one in the classifieds recently but now it's gone---maybe I'm going crazy,,,,,it would be short trip. I'm interested because I've noticed a disturbing tendency with the 75 to completely miss coins on edge and parallel with the direction of the swing when using the DD and was thinking of trying a concentric to prevent this----any feedback?
Kickindirt
Member
There is a 10
The 10" is a good, if not better, on detecting coins as the 11" DD..............10" is better for discrimination. And if you factor the difference of the size. The 10" is deeper inch for inch than the 11"DD..
In heavy mineralized ground this may not be true. In my ground not to heavy on M's it is a perfect coil..
10" hits far less small iron pieces too. An added plus factor is the depth id is more accurate with the 10" than the 11"...
The 10" just about eliminates the rusty old pop top caps... I have not noticed if it gets coins on edge or not. The 11" will double beep many times on a coin tilted or edged out..........
I would suspect the 11" for relic hunting may be a better choice. But for parks, and schools the 10" is a better all around coin detecting coil...
In heavy mineralized ground this may not be true. In my ground not to heavy on M's it is a perfect coil..
10" hits far less small iron pieces too. An added plus factor is the depth id is more accurate with the 10" than the 11"...
The 10" just about eliminates the rusty old pop top caps... I have not noticed if it gets coins on edge or not. The 11" will double beep many times on a coin tilted or edged out..........
I would suspect the 11" for relic hunting may be a better choice. But for parks, and schools the 10" is a better all around coin detecting coil...
The ranger isn't great!!! The sef is a good coil its deeper in airtesting. Thank the 11in biaxial (I say airtesting ). Because as Elton mentioned all ground isn't created equal!! But in my ground whick balances 80-93 depending on the site I certainly get say on a silver quarter 1.5 ins more depth and on say gold a 10k man's ring 2ins more depth. Lead as well at least 2ins more depth in ground large coppers 1.5 ins more a large batwing buckle near 4ins more inground depth. On small stuff a half reale less than an inch gain. For relic hunting farms fields woods its worth it. I hunt colonial relics and the sef is better than stock for sure HH c t
By Design both dd and concentric. Coins on edge no problem most dimes I find are on edge. 12x10in. Not heavy not overly large great seperation. Excellent for relics kellyco has them watch for a sale save 40$. If you were looking for a smaller coil the nel sharpshooter. Forum sponsored golddigger metal detectors has them. You get a discount for being a member of finds forum. HH c t
Yeah, those coins on edge are something alright...
I use a 11"DD, and when just clad grabbing generally sweep an arc, however, in certain locations that might hold deep silver on edge, a guy can sweep in a "herringbone" pattern instead of an arc..(the dirt tells you when)....a guy just has to think about the footprint of the pulse coming out of the coil that on a DD is rectangle shaped...a herringbone sweep pattern signal crosses all targets at an obtuse angle and picks them up...i first discovered this herringbone swing in the water, you know how hard it is to push a coil in an arc through the water? Especially an 11"dd with those fins on it? A guys elbow and shoulder take a beating real quick, this herringbone is a more comfortable sweep, since a guy is essentially pushing and pulling the coil out and back, rocking side to side, so its not so hard on the shoulder or elbow...but it also works on the dirt, it just takes a little practice that at first feels uncomfortable, a fellow cant cover a whole lot of ground as when swinging a big arc, but, really, now a days, if a guy is park hunting/curbstripping for old silver, we are finding stragglers missed by everybody else that were either masked or on edge, so any little trick might help, and unconventional coil manipulation might be one of them you might want to try?..If you have a test garden with a silver coin buried on edge give it a go and report back...
Mud
I use a 11"DD, and when just clad grabbing generally sweep an arc, however, in certain locations that might hold deep silver on edge, a guy can sweep in a "herringbone" pattern instead of an arc..(the dirt tells you when)....a guy just has to think about the footprint of the pulse coming out of the coil that on a DD is rectangle shaped...a herringbone sweep pattern signal crosses all targets at an obtuse angle and picks them up...i first discovered this herringbone swing in the water, you know how hard it is to push a coil in an arc through the water? Especially an 11"dd with those fins on it? A guys elbow and shoulder take a beating real quick, this herringbone is a more comfortable sweep, since a guy is essentially pushing and pulling the coil out and back, rocking side to side, so its not so hard on the shoulder or elbow...but it also works on the dirt, it just takes a little practice that at first feels uncomfortable, a fellow cant cover a whole lot of ground as when swinging a big arc, but, really, now a days, if a guy is park hunting/curbstripping for old silver, we are finding stragglers missed by everybody else that were either masked or on edge, so any little trick might help, and unconventional coil manipulation might be one of them you might want to try?..If you have a test garden with a silver coin buried on edge give it a go and report back...
Mud
Hitting coins on edge I have done side by side or rather coil swap testing the sef wins hands down on dimes on edge! Tried this with larger coins as well but the dime seems the test standard. The sef hits 95percent from all directions. The biaxial maybe 20percent from all sweep directions. My 2cents worth based on extensive testing. Ps look at the electrical field produced by both coils herein lies the reason the sef is better on coins on edge also let me add testing done using my f75 camo ltd!!!!! HH c t
Kickindirt
Member
c t said:
to bad they dont make a 6x8 sef for the f70/f75 like they do everything else. Need something in that size range. I might have to try the 5x8 RIF