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1-7 of 7 messages
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Fool the Neighborhood Gestapo with a Slinky Dipole
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by KB0XA on November 5, 2006
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For all of you who think Slinky Antennas are hard to find,check out Slinkyantennas on e-bay!
Some people have made remarks on the web re: the conductivity of the steel wire Slinkies are made from and the fact that they rust over time out in the weather.
Well,they're not right about that anymore either!These guys have Slinky Dipoles and SWL antennas made with Black Oxide coated Slinkies;
Solid Brass Slinkies; Green,Blue and Red Powder Coated Slinkies; and even 14 Karat Gold Plated Solid Brass Slinkies!
These are extremely inexpensive, AND THE AUCTIONS STATE THAT THEY ARE ALL MADE BY RETIRED SENIOR CITIZEN HAMS! Thes eare not not just junky kits like those sold by antennasRus either.
I bought one of those for $29.95 plus $7.50 for the instructions and $7.50 for shipping and all I got was two loose toy Slinkies, some weed-eater twine, a short piece of coax and three little pieces of plastic all twisted up inside a Tyvek postal envelope. They advertised Ready To Go Slinky Dipole! That's a lotta' BULL! Slinkyantennas.com has a photo of what this kit is like on their website.
I gave them my kit and bought one of their Brass ones after getting ripped off by the people who scammed me into buying it from them.
Check out their e-bay store at http://stores.ebay.com/slinkyantennas
73's and don't forget to
Listen to Paul Harvey for THE REST OF THE STORY
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RE: Fool the Neighborhood Gestapo with a Slinky Di
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by WW5AA on November 7, 2006
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Well....You get a Coax choke which is wrapped so tight that the center conducter will migrate at any more than QRP. End insulators at the high voltage point made out of thin wall PVC along with the center support, and two slinky's! What a deal. Hope they don't run out.
73, de Lindy
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RE: Fool the Neighborhood Gestapo with a Slinky Di
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by XE1UFO on November 17, 2006
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There is more information on Slinky-based antennas in a post I started here:
http://www.eham.net/forums/Towertalk/3423
The ones on E-Bay are typically far more expensive than what you can build yourself from what you buy at Wal-Mart, especially when you factor in the shipping cost.
All you need to do with Slinkies to prevent rusting is give them a couple of coats of spray paint, and they won't rust. Once treated, the cheep Slinky (only $1.69 at Wal-Mart) does just fine for years out in the open.
Short on space for hanging your full-size dipole or inverted V? Use Slinkies!
You can use also Slinkies to add bands to an existing dipole. I clip on a Slinky (stretched about 8 feet each) on each side of my portable 40-meter dipole and load it up just fine on the lower end of 80 meters. This combo is supported by a 20-foot telescoping fishing pole.
Two Slinkies on each side of an 80-meter dipole or three on each side of a 40-meter dipole will get you on 160 meters. Feed it with TV twin-lead or 450-ohm ladder-line, and you have a short-space multi-band antenna. Is it as good (efficient) as a full-size doublet? Of course it isn't, but then you can work bands that otherwise would be out of your reach.
I have a single Slinky with an alligator clip on one end that I use as an impromptu add-on antenna for my tiny Sony shortwave receiver.
Just my two pesos’ worth.
Steve, XE1UFO a.k.a. KA5SUT
San Juan del Río, Querétaro, Mexico
*Author of the world's only Worked All UFO's Diploma
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RE: Fool the Neighborhood Gestapo with a Slinky Di
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by KL7IPV on January 26, 2007
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I have a Slinky antenna stretched across my attic ( 66 feet ) that I made using Slinkies I bought at a toy store. I use them with a Hi-G antenna center and regular end insulators. Works good but needs a tuner for all the bands I use it on. Cost? About $30 and some time putting it all together.
Frank
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