Daytona GBD , need any info you have

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11-25-2015, 10:12 PM
Post: #1
Daytona GBD , need any info you have
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It's an early Wilson-Neuman detector I just picked up. Has a constant on threshold I have to try and fix.
I am looking for any information about this detector, manuals, schematics etc.

These are pretty cool detectors, light weight as well.

It's apart at this point


   
   
   
   

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11-25-2015, 10:27 PM
Post: #2
RE: Daytona GBD , need any info you have
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Man Sven, never seen anything like it. Looks like it was part of an Apollo mission. Happy Be interesting to see what you do with it.

Ed/ODF

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11-25-2015, 10:58 PM
Post: #3
RE: Daytona GBD , need any info you have
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Where did you pick that up from, Sven? Would they have any info over on the Geotech boards? I never even seen one of those before!

Joe

NjNyDigger, proud to be a member of Treasure Classifieds Forum since 2013.

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11-26-2015, 12:04 AM
Post: #4
RE: Daytona GBD , need any info you have
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Came off ebay. No one wanted it, so seller raised the price to double. No takers so I offered me his orig price.

The Daytona Rangar is the model normally found. Most of the Daytonas found are in need of fixing.

The GBD models were the about last ones in this style before Wilson and Neuman split to form their own companies.

There's not much info regarding the Daytonas. Lots of forum posts about those that had one, that is just general info.

Joe on the Compass forum has collected them over the years, think he has one Rangar that works and a GBD that has the same problem as mine.

Mine is a GBD 1 as the GBD II has the slide switches replaced with a knob control.


   

Nokta Impact, Deteknix Quest Pro,Teknetics Mark 1
Self built Mirage PI's --- they work great!!
Free Vintage Metal Detector Catalog Downloads, Tips, Mods
http://www.treasurelinx.com/home1.html
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11-26-2015, 12:15 AM
Post: #5
RE: Daytona GBD , need any info you have
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It looks lightweight and space age kinda. but hey let us know what happens with it.

Bigtony, member of Treasure Classifieds Forum since Jan 2015.
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12-03-2015, 09:14 PM
Post: #6
RE: Daytona GBD , need any info you have
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I did come up with the schematics for the Daytona Ranger which will be very helpful in fixing the GBD. Comparing the schematic to the circuit boards, both Ranger and GBD are almost identical. And I do have the patent information with complete working information about the coil on the GBD.

Taking some time to get a handle on the circuits before digging in for the kill.
Whats nice is every single part value in marked on the circuit board where the part gets soldered in place.

So at this point it looks promising to get it working again, as long as the coil is not the problem.

Nokta Impact, Deteknix Quest Pro,Teknetics Mark 1
Self built Mirage PI's --- they work great!!
Free Vintage Metal Detector Catalog Downloads, Tips, Mods
http://www.treasurelinx.com/home1.html
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12-12-2015, 08:35 PM
Post: #7
RE: Daytona GBD , need any info you have
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Got it working. Air test to about 5-6" on coins.
Spent some time bench testing and adjusting the pots.
Works like it should.

Next test was in the ground.
Terrible, about 1" under the dirt for coin sized targets.

Originally some one mentioned there could be a problem with the coil.
Today heard something rolling around inside the coil when I shook it.
Can't replace or fix it. May open it up to take a look.

I looked over the control box carefully and my PI circuit board will fit inside and I can use all existing control spots for the PI controls. That was my intentions originally if I could not get it working.

These day you don't want to invest much into an older machine from the 70-80's.
Always seems to be some issue with them, appear to work, really they don't.
Many do work but, not like they once did. So if you buy an older used machine, don't pay too much. Some cult status machines like certain brands-models like the Compass models are worth getting fixed, most are not. Unless you can fix it yourself. Found over the past few years, most of the older machines I have bought were good for parts, if you could use them. Many were already opened up to see if they were fixable by those who no nothing, easy to spot the signs.

Nokta Impact, Deteknix Quest Pro,Teknetics Mark 1
Self built Mirage PI's --- they work great!!
Free Vintage Metal Detector Catalog Downloads, Tips, Mods
http://www.treasurelinx.com/home1.html
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