" A 7,5 Cm B 0,4 mm
C 23 Cm
D 18, 5 / 20Cm G 0,6 mm
F 3, 57 Cm E 3 Cm M 1,5 Cm L 2 mm
I 3 Cm
J 3,57 Cm
H 8 Cm
K 5 cm
L 1 cm
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A = The original can of potatoes has a diameter of 75 mm, therefore that is 7,5 Cm. For a tube of plastic, it is necessary to look for a tube of PVC that us of the same diameter. They don't serve, more small, neither bigger. B = The can of Potatoes Pringles is made of cardboard, covered in its interior of a small movie of aluminum paper. Their thickness is of about 2,5 mm. If we manufacture this antenna in PVC the things they can change a little because the tubes of PVC of 7,5 cm. they have a thickness of 0,4 millimeters. This thickness is to consider it for when mounts us the connector N-female in the tube, since the solenoid (I Segment of copper) it should be from the base from the tube to the center, 3,57 Centimeters. C = The can of potatoes Original Pringles, measures 33 Centimeters long, and to make it in PVC it is necessary to cut a tube of the same measure. However, it is necessary to remember that the tube also needed of two plane plugs of PVC, and that one of them is the one that will hold the bar where they go installed the washers. It is necessary to consider that once we insert the plug, this he/she has a small gain in millimeters (it Stands out some millimeters but of the 33 Centimeters that it measures the long of the tube), for what the bar that held the washers, should also win a little but, due to the thickness of the plug of the tube. The bar measures 14 Centimeters, but it is necessary to add him as minimum 1 centimeter more so that it stands out and, to be able to hold it efficiently with nuts from it was. D = The bar of subjection of the washers –en the can of Pringles - he/she has a longitude of 15 centimeters, but in our case it is necessary to calculate a little but as a consequence of the bend and of the thickness of the plug where he/she should go held, and this bar has 18-9 Cm. Besides this detail, it is necessary to also calculate that this bar should not play with the Solenoid (Piece of copper cable of the I connect N-female). The tip of the bar should be to half centimeter of distance of this piece of copper cable, although it can be something expensive to get it, it is necessary to add or to subtract some millimeters for the bar end that stands out for the plug. This means that if the bar not this very gauged in relation to the thickness of the plug, he/she could play the Solenoid. E = The washers that you/they should go installed in the bar should be separate some of others at 3, 1 centimeters of distance. The distance among washers should be exact, for that which it will be necessary to use a caliber or foot of King, gauging them one for one for all maintains the same distances among if. King's Foot gives bigger precision in the measures, since the metric homogeneity of the total longitude of wave is gotten in relation to the intervals of its frequency. F = The solenoid, or piece of copper cable that it should be mounted and to weld on the connector N-female, he/she must have a longitude of 3,57 centimeters (Three centimeters, with seven exact millimeters). The reason of this longitude, is very simple. If the bar of the washers goes installed in the exact center of the plug; the tip
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of this bar should be guided exactly toward the final end of the tip of the solenoid in vertical position, but without playing it. This means that the longitude (vertical) of the Solenoid it should be exactly at the distance of the radius of the circumference of the tube. So that we understand it better. He/she takes the circumference of the tube, and it measures the diameter of the circle, and divide it for two. If the diameter makes 75 millimeters; half of 75 millimeters it is 3,57 millimeters with an approach, of but less a millimeter. It is necessary to remember that this solenoid should go inserted in the connector Nfemale, for what can have a small one lost or gain of one or two millimeters that it should be gauged with extreme accuracy until achieving the 3,57 exact millimeters, neither one but neither one less. A millimeter more or one less, it represents a loss or gain of sign power in Dbs, so care. G = The distance among the tip of the bar that has installed the washers, and the tip of the copper cable mounted on the connector N-female should be of half centimeter, that is to say, six millimeters. If the distance is bigger it didn't work because he/she could play it, but if it is smaller, the sign won't have a lot of power because the enough one won't take place “Induction” of the Solenoid. So that we understand it, this half millimeter, is in fact the proportional part (14,5 Cm) of the longitude of the bar with washers in horizontal position. This half centimeter, it can be enlarged until a centimeter, but it depends on the material of the plug to hold the bar. For a PVC it is better to leave 17 or 18 Centimeters of bar. Modifying this longitude brings near the tip more or less from the bar to the solenoid. The distance should be constant, but to be able to adjust it, the longitude of this bar of washers, it should be measured with some margin in relationship or the thicknesses of the materials. H = The distance of the connector to the end of the tube is of 8 Centimeters. The distance to the one that to carry out the installation of the connector N-strand, it should be measured in relation to the end of the tube without the plug. To carry out a hole with extreme accuracy, we measure from the end of the tube with a meter until achieving 8 Centimeters. But to find the exact center of this hole, and that the connector is to 8 exact Centimeters, we take 9 centimeters. We mark with a pencil the centimeter seven with a very visible line, then we mark the centimeter 8 with another line, and for I also finish the centimeter 9 with another line. It is not difficult to imagine that the centimeter 8, it is exactly the center (Point) of the hole, and that the centimeter 7 and 9 is with a certain approach the margins where the hole should be positioned. Nevertheless, this last detail (Size of the hole) in fact you should measure the thickness of the connector and to transfer it to the surface of the tube so that it fits correctly, since the 7, and the 9 are alone some references to locate the connector, not the size of the hole.
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I = The diameter of the washers, to of being of 3 centimeters. One of the biggest problems to those that face the homemade manufacturers of antennas frequently WIFI, is to find the exact size of these washers, and concretely that central hole of that washer, coincide with the thickness of the threaded bar so that movements, displacements, or unset up don't take place for un-centered. The problem is easily resolved if we use threaded bar of 6 mm millimeters of thickness, and the washers that you/they come properly mounted of series in those “Angels.” These devices have two versions and with diverse sizes, one is with a hook terminator, and another with terminator with nut and washer. In fact in that interests us he/she has the washer of the exact measures: it is of 3 centimeters of diameters, the center is of the size of the threaded bar, and the thickness of the washer it is of a millimeter. That which is absolutely ideal. J = The diameter of the tube like it was said it is of 75 millimeters, that is to say, of 7 centimeters, with 5 millimeters. But to insert the bar threaded in the same center of the tube; in this serious case in the center of the plug of the tube (Blasting WaveCap). To obtain the exact center of the plug we can divide the longitude of the diameter of the tube for the half, and the result will be the point of the radius that indicates the same center of the plug. Also if you are observer, you will realize that the radius of the circle of the tube, is in fact the longitude of the copper Solenoid mounted in the connector N-female. Now an interesting reasoning comes. If you multiply the exact longitude of the Solenoid for the longitude of the threaded bar and you divide it for two, truth that value hurtles: 3,57 X 14,5/2=25.8825 K = it is the difference that exists among the principle of the bend of the plug. It is exactly to the depth that the tube enters. L = it is the difference between a plane plug and one curved. M = The longitude between the tip of the nut of blind head and the first washer is of 1,5 Cm. Theory questions Could you use the law of Faraday to improve the design of an antenna?. In a tube of plastic as applying the laws of Faraday without the design loses its utility? What does it happen, if we use some filters to compensate the lost of the connectors? It is necessary to avoid that in the antenna bugs enter, parasites electromagnetic unlikely if one wants to make more effective. If I change the solenoid material for one of copper-platinum alloy, did the antenna experience some gain?
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Notes of the engineering There is a problem. The antenna should be isolated completely of any metallic object that is conductive of interferences. I have already proven to change the isolation of silver paper for the tape of aluminum of Refrigerating, and I have noticed an improvement of the results. I thought that it would be enough with painting the interior part of the antenna, thinking that as much as but polished the internal surface outside, but I would come closer to create an effect electromagnetic mirror, but the painting didn't give result. I have proven to magnetize the collector to compensate the conductivity of the material, since if a material this magnetized, it is electronically in more stable theory. He/she has given me an improvement, although I cannot know as much as time that collector will remain in magnetic state. Today I have proven in shielding one of the plugs with tape of Refrigerating, and the tests have been a failure. I have given myself bill that the waves should cross the antenna since for the plugs that are not protected with metallic tape, that tube he/she makes of electronic bull and observe the waves very well. I have shitted it with the connector. I have used a connector rf instead of one wifi, and it has cost me double to make the cable, because it is not compatible with the standards. I have proven to file the surface of the solenoid and to round her to make that the waves experience less distortion of field environment to the solenoid and it has worked me well. I have been put right the longitude of the washers. It seems that the calculations that you/they say some texts are not correct, because I have adjusted it to their measures, and the antenna didn't seem to work with power. I will prove to modify the longitude of the collector, and the distance among washers. Today I have discovered that the distance of the collector should be of to the hands between 18 and 20 cm and the separation among washers of 3,1 cm, and the antenna has worked well. I am coming closer to the final design. I suspect that the antenna could accumulate stationary, and I have measured the it gnaws with the field meter, and the result single stocking era you would park. It seems that all this well in that aspect. When mounting the collector I have made an error. I believed that the bar coil, spiral should cut it before mounting it, but I have discovered late that it is better to mount
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everything and later to cut the rest of the bar that it has more than enough when already this inserted in the plug. Another failure. I made bad the hole of the plug and the bar not this well centered one. I must buy another plug. Today I have not made anything. Among the calculations and the days that I take locked in the shop, I am made powder. Not you if this finished working. Don't maybe work because it is absurd that a can of fried potatoes can be a wifi. Anyone that doesn't understand, will say that this is a craziness. I already have the completed antenna. I will prove it in the terrace to see that he/she gives and like he/she responds. I have gotten it! I have left to comment everything. More work.
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