I'm trying to decide which coil to get for my 705. I currently have the stock 9" concentric 7.5 kHz and the coiltek 6" digger coil. I can't decide if I should get the minelab 10.5" DD or the coiltek 15" all terrain. I would go with the 10.5" but the "water resistant" aspect of it worries me. I live and hunt in Washington state. I'm worried that this coil will not hold up to the amount of rain we get. Or am I just being paranoid? Will the water resistant minelab coil be ok in the rain?
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Which coil?
- Thread starter nja82
- Start date
Water resistant coils are fine in rain, being hosed off, or taking the occasional wave splash, but shouldn't be submerged. It's the pressure that is the problem.
You can also seal them by a number of means. Several folks have used silicone around where the grommet goes into the coil, where the wire goes into the grommet, and to seal the coil cover onto the top of the coil.
You can also seal them by a number of means. Several folks have used silicone around where the grommet goes into the coil, where the wire goes into the grommet, and to seal the coil cover onto the top of the coil.
I'm a big fan of the 7.5kHz 10.5" DD.
In reality, there are no redundant coils, so each brings something to the game and have the potential to renew your old sites. It all depends on your personal hunting conditions and desired targets.
In reality, there are no redundant coils, so each brings something to the game and have the potential to renew your old sites. It all depends on your personal hunting conditions and desired targets.
Dirty Nails
New member
I wonder why the manufacturer doesn't waterproof them. I don't know but perhaps it would be too costly. How would a person go about waterproofing a coil and would it then void the warranty?Old Longhair said:
Rickey
One advantage to doing it the way that I described with silicone, is that it is easily rubbed off if necessary.
You can use spray on sealants as well, but they tend to be more permanent, and may void warranty, but swamping your coil isn't covered by warranty either.
You can use spray on sealants as well, but they tend to be more permanent, and may void warranty, but swamping your coil isn't covered by warranty either.
As OLH mentioned, the difference between a waterproof coil and a water resistant coil is based on the "pressure" required to allow water to infiltrate the inner workings of the coil. Frankly, due to the short length of the X-TERRA coil cables, I can't imagine getting a water resistant coil "deep enough" in the water to create sufficient pressure for the water to get inside the coil without also taking the chance of getting the electronics in the housing wet. And that would not be a good thing! With that said, many of us simply run a bead of silicon sealant around where the coil cover meets up with the coil, and place another dab around where the coil cable enters the coil. If I want to remove the coil cover or clean up the cable, I can simply rub off the silicon. HH Randy