Tesoro Compadre Coil Type and Windings.

[ToddB64]

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Greetings !

#1..Does the Compadre (5.75" coil model) have a concentric/coplanar coil ?

#2..Does the search coil include a TX, RX and a Bucking coil ?

#3..Can anyone provide a photo showing inside this coil and how the windings are arranged ?

Thanks,

ToddB64​

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[pinenut]

It’s a concentric and can use Tesoro’s other 5 pin coils. Some folks have added a connector so coils can be easily swapped, but I wouldn’t bother doing that. Just get a Mojave..

I’ve never opened one up, so no idea what the innards look like. ^_^

 

[Terry Soloman]

Hi Todd! Pick up your telephone, and call (928) 771-2646 - ask for Vince Gifford.

 

[Stoof2010]

They epoxy most of their coils, so seeing inside would involve breaking the coil.

But +1 for Terry's suggestion. Best bet is straight from the horse's mouth

 

[ToddB64]

Hi !

Sorry I'm late reporting this; I called Tesoro on 5-19-2018 and was switched to Vince Gifford for answers to my questions and his answers are colored blue below.

Question #1...Does the Compadre (5.75" coil model) have a concentric/coplanar coil ? His answer was "Yes". (See definitions below.)

DEFINITIONS:
Concentric...having a common axis...Coaxial.
Coplanar...Lying in the same plane.

Question #2...Does the search coil include a TX, RX and a "Bucking" coil ? His answer was "Yes".

I've included attachments below to give visual and textual aids to help make the above definitions and understanding a "Bucking" coil easier. Vince prefers to call it a "balancing" or "tuning" coil.

Also, I want to thank Carl Moreland and George Overton of Geotech Forums for the attached paragraphs and the Fig. 5-20 photo which are shown in their co-authored book Inside the Metal Detector and also available to the general public as a pdf document on the Internet at :http://www.geotech1.com/pages/metdet/info/coils.pdf

The top-left "Concentric Coplaner" photo I picked up somewhere else off the Internet, but don't remember where at the moment.

Hope this was interesting to someone.

ToddB64

 

[erte]

are all tesoro concentric coils like this or only on the compadre 5.75'' coil?... what about compadre with 8'' coil?

 

[erte]

i have the stock 8*9 coil on vaquero and if i get a 5.75'' or 8'' round concentric for it it is part of the delta coil family, but does question #1 and #2 apply for all the round concentric type coils delta and epsilon or only for compadre as it has no defined coil family? if this is the case than i would rather pay about 50 bucks more to get the compadre with a 5.75'' or 8'' coil since it has 12khz and also better disc instead of just getting a extra smaller round concentric coil for the vaquero

 

[Stoof2010]

Compadre is part of the epsilon 5 pin family.