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Treasure Hunting & Metal Detecting Forum Message Boards - Detector Hunter Whites Minelab Tesoro XP > Metal Detecting > Beginners (Moderators: xavier, Ridge Runner) >

Coil size

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Rickster Topic starter

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Radio Shack

	Coil size « on: March 23, 2009, 12:31:12 pm »

Is there any relationship to the depth an MD can detect vs the coil size?

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Christian

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	Re: Coil size « Reply #1 on: March 23, 2009, 12:32:50 pm »

Hello Rick,

yes there is! Smaller coins of better sensitivity to small items, larger coils have greater depth on bigger items.

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Christian

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Rickster Topic starter

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Radio Shack

	Re: Coil size « Reply #2 on: March 23, 2009, 12:37:05 pm »

Wow, you were right on top of that one! I didn't expect such a quick answer (being a newbie here)! So, have you found that larger coiled MD's consume more power?

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	Re: Coil size « Reply #3 on: March 23, 2009, 03:01:45 pm »

Hello RIck,

a larger coil possibly consums more power but nothing to worry about. It is not remarkable.

In most cases the factory set / standard coil is the best choice. Only with so called PI machines it makes sense to hav a larger selection of different sized coins for deep cache hunting.

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Christian

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	Re: Coil size « Reply #4 on: March 24, 2009, 09:44:03 am »

Thanks for sharing that Christian. I thought larger coils consumed alot more power also.

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	Re: Coil size « Reply #5 on: March 24, 2009, 01:11:34 pm »

In trashy,brushy, or heavily mineralized a small coil may be the only option at the expense of depth.
A larger coil has more depth but makes pinpointing more difficult.With a stock 9"coil Iv,e found both pennies(US) and pull tabs at 8-10 inches so usually depends on how deep I want to dig.Okay, so maybe thats why its been a mediocre year sofar.
HH,Mont

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Radio Shack

	Re: Coil size « Reply #6 on: March 24, 2009, 02:38:27 pm »

Thanks HH

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Teknetics , Fisher , Discovery3300 and TIANXUN 19 kHz VLF Metal Detector

	Re: Coil size « Reply #7 on: March 25, 2009, 12:36:29 am »

	Quote:	Posted by Rickster
Is there any relationship to the depth an MD can detect vs the coil size? Rickster

Hello again Rickster . Yes , on VLF Metal Detectors larger coil size does matter , for finding the Bigger Targets Deeper !! Not the smaller Targets deeper !!! Do not forget the types of coils !!! How the coils are wound and are configured [the shape] . You have DD [widescan] configuration and concentric [more precise when pin-pointing] , coplaner , elliptical , spider coils . I will discuss all of them in more detail at Thunting.com's... "Tech-Talk" area soon !!!

Aloha....... Shocked