I figure by now that Moodz has built several coils. As he has stated it only takes a hour, with a day to cure the epoxy. So lets get them out in the bush and see how they perform!!!! I would love to be proven wrong and shown they are better than any coil available for a Minelab PI detector. How long will this take to happen? 10 years?
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Originally posted by PATCHES JUNIOR View PostI figure by now that Moodz has built several coils. As he has stated it only takes a hour, with a day to cure the epoxy. So lets get them out in the bush and see how they perform!!!! I would love to be proven wrong and shown they are better than any coil available for a Minelab PI detector. How long will this take to happen? 10 years?
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Originally posted by Aziz View PostComeon PJ, do the Spiderman! Start weaving your own coil. It shouldn't take 10 years.
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You are getting as bad as Doug in answering a question with a question. Do you know how long before a field test with Moodz's new coil is going to take? That is a simple question. I wish Moodz would answer it, but I know he will never do it. Especially if the results are what everyone says it will be.
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Originally posted by PATCHES JUNIOR View PostI figure by now that Moodz has built several coils. As he has stated it only takes a hour, with a day to cure the epoxy. So lets get them out in the bush and see how they perform!!!! I would love to be proven wrong and shown they are better than any coil available for a Minelab PI detector. How long will this take to happen? 10 years?
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Originally posted by moodz View Post....I never said it would be better than a minelab coil ... I am only winding some test coils as I don't have access to a range of commercial coils and I will be testing this weekend.
Well good on ya Moodz. Try to tell Doug and Ariz that would you please. Everyone is getting tired of their ramblings here when they have no idea what they are talking about!
How many coils have you made so far? Have you tested them out in the bush yet?
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Originally posted by PATCHES JUNIOR View PostWell good on ya Moodz. Try to tell Doug and Ariz that would you please. Everyone is getting tired of their ramblings here when they have no idea what they are talking about! How many coils have you made so far? Have you tested them out in the bush yet?
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I have claimed, that Moodz coil will outperform a ML coil when properly shielded. Because Moodz coil is a nice basket/spider weave coil.
I can prove my claims!!!
But it will cost you donald duck bucks. I have to fund the lots of barrels of tar & chicken feather!
Now prove me wrong chickens!
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It seems, that the forum-trolls are very quiet now, afraid of making any claims and afraid of being tarred & feathered..
I'll post the coil analysis results on the other forum, when I have finished the long lasting calculations. Members there will get full & free access to the Excel table with the results.
(I'm teasing the forum-trolls - they should think of their claims once again... *LOL*)
Cheers,
^
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For the record a couple more coil Quality figures
Detech 15x8 mono Q= 4.6
Nugget finder 17x11 mono Advantage Q= 5.4
This nugget finder like the 14x9 Advantage is a great coil, but this one is very quiet on difficult ground and has got many multi-gram bits at depth, hopefully a multi-ounce bit one day.
Another factor that probably contributes to these coils being so good that I didn't mention earlier would have to be the wire used. Although stated to be Litz, it is not in the truest sense as it doesn't have the bundle twist so synonymous with Litz, most probably because it doesn't have that many individual conductors. I'm not going to list the details here as to numbers and gauge because that would not be helpful to their business, but like Minelab it is the minimum required to reduce inter-winding coupling. That's where your AC resistance comes in Moodz, the less counter-eddys around the individual loops the less counter-electromotive force to restrict your current flow, which should produce a greater field strength for given current.
Not only does Litz help this, I imagine a basket weave should reduce restrictive EMFs even more. I'm only guessing though.
Kev.
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I have idea for measure mono coil deep detect for compare spiral and bundle winds, or any type of winds.
Think of target on axis distance A from Tx winds, and identical physical Rx winds on opposite side of target from Tx winds, also A distance from target. This be same as PI mono, but 2 coils.
If A > few times winds diameter, field approx. uniform at A also at off axis.
Now put sinewave on Tx and measure voltage at Rx (no target, just direct Tx to Rx). If wL>>R for fix Tx volt, Rx volt = coil deep gain. If Rx and Tx winds are exactly same, then this be independent of L. Because suppose we 1/2Rx and ½ Tx turns for bundle winds. Now L approx. ¼, so 4X current in Tx and 2X field, but Rx have ½ gain, so get same Rx voltage.
I do this test on coils, and get a bit more signal from bundle wire than bit spread out spiral winds. This because average diameter of spiral winds be less and this be more effect than more height of bundle winds. If spiral winds very tight for big diam coil, then difference between bundle and spiral very small.
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News From The "Coil Meister"..
Where are the infamous forum-trolls? All in the rabbit hole?
We will see a new generation of high performance PI coils...
Comeon forum-trolls!, motivate us more.. we need you.
Without your contribution, it won't perhaps be possible.
^sif
the "coil meister" *LOL*
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