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read my comments https://www.geotech1.com/forums/show...l-for-baracuda
you must do A TRANSFER STEP after every one layer.
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Originally posted by kt315 View Postread my comments https://www.geotech1.com/forums/show...l-for-baracuda
you must do A TRANSFER STEP after every one layer.
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Originally posted by dbanner View PostBrilliant work. The shield for these coils maybe better by painting the walls of the coil housing.
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Originally posted by mushaba View PostSorry,my bad,i did not transfer 1 slot every 5 turns...grrrrrrrrrrrrrrrrr...I hope it worth it
do a layer above by a rope diameter 3-5mm with a step 5-10mm . after that do 2-3 layers of skotch standart tape.
internal area with the winding has to be isolated (airy) and epoxy does not have to fill in it.
do shielding, graphite aerosole, layer inside your housing. melt a naked thin wire (i use silver covererd wire)
in surface of your graphite layer. you have to connect ground wire of the cable to it on end of job before finish epoxy filling.
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Hi Mushaba,
Nice job on the coil and forms. Your Idea about the flat coil and using your mill to make a form is very interisting. I was wanting a desktop mill for some carbon fibre work but havent sprung for it yet.
I would think a wire width spacing would be good for your form and maybe two sided where the wire wraps around the inner or outer diameter and the wires line up in between the opposing wire layer.
Ive played with a few flat coils but they werent too good due to wire type next one will be DD. A form like your thinking would be perfect.
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Flat spiral and flat basket I posted awhile back. Coil capacitance less than 1foot of lead wire. Don't seem to need spacing between wire wraps to reduce coil capacitance. Maybe another reason to space wraps?Attached Files
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Originally posted by godigit1 View PostHi Mushaba,
Nice job on the coil and forms. Your Idea about the flat coil and using your mill to make a form is very interisting. I was wanting a desktop mill for some carbon fibre work but havent sprung for it yet.
I would think a wire width spacing would be good for your form and maybe two sided where the wire wraps around the inner or outer diameter and the wires line up in between the opposing wire layer.
Ive played with a few flat coils but they werent too good due to wire type next one will be DD. A form like your thinking would be perfect.
Today a friend send me a copy of Inside The Metal Detector,man all the knowledge in there!!!I will try to read it before I decide about a spiral,it's good to experiment but is better to construct something with correct design if you know the physics behind that...As I understand the time that the coil "diggests" the spikes from the mosfets is how fast the coil is...The flat spiral should reduce capacitance due to wire spacing but what is the formula to decide what spacing should use?If you have anything I'm mind I will happily construct and test it.I am missing a good working coil to have as base to test my current MPP project and Mirage and Delta Pulse to come...But I must have a base and a correct coil is the thing I need right now.
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Originally posted by green View PostFlat spiral and flat basket I posted awhile back. Coil capacitance less than 1foot of lead wire. Don't seem to need spacing between wire wraps to reduce coil capacitance. Maybe another reason to space wraps?
So spacing between the wraps won't reduce capacitance?Did the coil you show work well?
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