I've got the stock 10" coil and the SEF 12x10 for my GT. The little wife says to go ahead and order the 8" coil I want to fill out the arsenal. Can't make up my mind if I should get the Minelab Slimline Tornado or the Excelerator Concentric. I know these types of questions are crazy because of so many varibles. But...Which one would you order?
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New coil time for the Gt
- Thread starter xwyokid
- Start date
Critterhunter
New member
Did you thumb through the coil sticky? As there are some reports on these coils. Many love the 8" Tornado, which like the old BBS heavy version are only 7 & 1/4" in actual size, so they are small little coils and many guys prefer them for getting excellent depth while still are very good working heavy trash. Some guys use the 8" Tornado as their every day main coil and seem to find deep or masked coins a lot in hard hit parks. That should say something.
Far as the Detech 8" concentric Kellyco sells there is hardly any user input on it, but I did throw up a few links to thread reviews on it. Not hearing much about that coil might tell you something, but then again I think it's only a year or two old maybe.
Smaller than that you are looking at the Detech 5" (which is slightly smaller than that) or the Sun Ray S-5, which is 5.5" in actual size. I like the Sun Ray and am in awe of the depth of such a little coil in my soil. Got a silver dime at about 7" or so that banged so hard I bet it could have easily been 9" or so and I still would have had no problem hitting it. And this is at a site where all my non-Minelab machines using 8 to 10" coils or so could hardly muster 7.5" on a silver dime, and only two of my non-Minelabs could muster that much depth on a silver dime at that site that I've worked for years.
The S-5's dime was between two shallow tab signals, so I have no doubt any other larger coil would have missed them probably, because the tabs were only off to both sides of the dime a bit. Perfect storm situation IMO why that dime hadn't been dug by others before. Right coil size, right depth. Too far left and one tab is in the field. Too far right and same deal. My 12x10 I bet could have got that dime at the right angle thanks to it's super sharp DD line for left/right separation, but there was a tree trunk only a few inches from it so no larger coil could probably center right over that dime to nail it with the middle of the coil.
There is also the Coinsearch coil which I think Ralph at Sun Ray said it's windings are smaller than a true 8" since it's not epoxy filled and so the windings are padded at the edge of the coil to avoid shock from bumps. Far as I know the only true 8" coil is the Sun Ray S-8 maybe? You might want to shoot Ralph a PM in his Sun Ray forum on Findmall and ask if it's 8" if that's important to you, or he might have talked about that where he chimed in in the coil sticky later in it near the last pages or so.
Me? When I go to a small trash coil I want the smallest I can find. While the Detech 5" is over half an inch smaller than the S-5, the S-5 is still one tiny little coil. I'm a big fan (obviously) of elipitcal coils (SEFs) in a large coil to increase depth while increasing separation, but in terms of a tiny trash coil I just want round for max length/width separation possible. Depth is secondary in importance in a trash coil to me. I'd be happy with 5" of depth in a tiny trash coil, so anything more is just icing on the cake to me.
What I would like to see in an odd shaped coil would be like a 4x2 or a 5x2. Then you'd still get the attempted depth and coverage of a 5" coil or so, but with a 2" wide width to really compress that DD line's width. I think a coil like that would be a huge seller to Detech if they'd come up with one.
Many FBS guys like the 8x6 and it's got real good depth while excellent separation. They don't make it for the BBS machines though, but even if they did I'd still opt for the smallest round coil I can get my hands on, so I'm fine with the S-5. And I see many FBS guys either go to the FBS version of the S-5 (X-5), or they go to the 6" Excelerator when they are working super heavy trash. Seems the 6" Excelerator is becomming a favorite for real good depth while outstanding separation. I think they did make a 6" version for the BBS machines a while back that Kellyco used to sell. They might still make it but Kellyco doesn't carry it anymore maybe.
Far as the Detech 8" concentric Kellyco sells there is hardly any user input on it, but I did throw up a few links to thread reviews on it. Not hearing much about that coil might tell you something, but then again I think it's only a year or two old maybe.
Smaller than that you are looking at the Detech 5" (which is slightly smaller than that) or the Sun Ray S-5, which is 5.5" in actual size. I like the Sun Ray and am in awe of the depth of such a little coil in my soil. Got a silver dime at about 7" or so that banged so hard I bet it could have easily been 9" or so and I still would have had no problem hitting it. And this is at a site where all my non-Minelab machines using 8 to 10" coils or so could hardly muster 7.5" on a silver dime, and only two of my non-Minelabs could muster that much depth on a silver dime at that site that I've worked for years.
The S-5's dime was between two shallow tab signals, so I have no doubt any other larger coil would have missed them probably, because the tabs were only off to both sides of the dime a bit. Perfect storm situation IMO why that dime hadn't been dug by others before. Right coil size, right depth. Too far left and one tab is in the field. Too far right and same deal. My 12x10 I bet could have got that dime at the right angle thanks to it's super sharp DD line for left/right separation, but there was a tree trunk only a few inches from it so no larger coil could probably center right over that dime to nail it with the middle of the coil.
There is also the Coinsearch coil which I think Ralph at Sun Ray said it's windings are smaller than a true 8" since it's not epoxy filled and so the windings are padded at the edge of the coil to avoid shock from bumps. Far as I know the only true 8" coil is the Sun Ray S-8 maybe? You might want to shoot Ralph a PM in his Sun Ray forum on Findmall and ask if it's 8" if that's important to you, or he might have talked about that where he chimed in in the coil sticky later in it near the last pages or so.
Me? When I go to a small trash coil I want the smallest I can find. While the Detech 5" is over half an inch smaller than the S-5, the S-5 is still one tiny little coil. I'm a big fan (obviously) of elipitcal coils (SEFs) in a large coil to increase depth while increasing separation, but in terms of a tiny trash coil I just want round for max length/width separation possible. Depth is secondary in importance in a trash coil to me. I'd be happy with 5" of depth in a tiny trash coil, so anything more is just icing on the cake to me.
What I would like to see in an odd shaped coil would be like a 4x2 or a 5x2. Then you'd still get the attempted depth and coverage of a 5" coil or so, but with a 2" wide width to really compress that DD line's width. I think a coil like that would be a huge seller to Detech if they'd come up with one.
Many FBS guys like the 8x6 and it's got real good depth while excellent separation. They don't make it for the BBS machines though, but even if they did I'd still opt for the smallest round coil I can get my hands on, so I'm fine with the S-5. And I see many FBS guys either go to the FBS version of the S-5 (X-5), or they go to the 6" Excelerator when they are working super heavy trash. Seems the 6" Excelerator is becomming a favorite for real good depth while outstanding separation. I think they did make a 6" version for the BBS machines a while back that Kellyco used to sell. They might still make it but Kellyco doesn't carry it anymore maybe.
JimmyCT
Well-known member
I never used the Excelerator concentric but I can tell you some of the experiences I had with the 8" tornado...
http://www.findmall.com/read.php?21,1550100,1550100#msg-1550100
http://www.findmall.com/read.php?21,1558462,1558462#msg-1558462
http://www.findmall.com/read.php?21,1566137,1566137#msg-1566137
http://www.findmall.com/read.php?21,1558214,1561222#msg-1561222
Hope this helps. Hang in there and hopefully more will chime in with their experiences as well. Best of luck in your decision.
I will add that the 8" tornado gets near the depth of its larger counterpart (10" tornado) but seperates much better in heavy iron / garbage. - Jim
http://www.findmall.com/read.php?21,1550100,1550100#msg-1550100
http://www.findmall.com/read.php?21,1558462,1558462#msg-1558462
http://www.findmall.com/read.php?21,1566137,1566137#msg-1566137
http://www.findmall.com/read.php?21,1558214,1561222#msg-1561222
Hope this helps. Hang in there and hopefully more will chime in with their experiences as well. Best of luck in your decision.
I will add that the 8" tornado gets near the depth of its larger counterpart (10" tornado) but seperates much better in heavy iron / garbage. - Jim
I have use the Excelerator 8 inch concentric coil and was not impressed at all, sent it back for a different one and it too was not impressive. Not used the 8 inch Tornado coil, but loved my 8 inch coinsearch coil and the Sun Ray S-8 coil, in fact all the Sun Rays are very impressive. I hear a lot about the 8 inch Tornado coil and it all been good and even had one I got used from Neil, but never used it and I had a sale for it so it got sold. The 8 inch Sun Ray is the coil we seem to get better separation than anything else so I never needed a smaller coil and I have seen and the depth was awesome for those that know their Sovereigns.
Rick
Rick
Great depth hits hard and gives the Sovereign a faster sweep speed.The little Tornado was a dime killer in the seeded hunts this year I entered.My favorite coil. HH Ron