Hex beam photosOn 27.10.2020 by Aragami
This page contains some photographs and descriptions of the construction of my 6-band Hex Beam. Please note that each image on this page is linked to a larger, high-resolution, image.
Smaller images are displayed here to enable faster loading. Clicking on any image will result in a high-resolution image opening in a separate browser window. Leo Shoemaker, K4KIO, maintains an outstanding website that contains step-by-step construction details.
Leo's site and instructions were my constant companion throughout the construction. I will not even pretend to provide the level of detail that Leo provides, but did want to post some pictures of what I did and what I learned during my project. In my opinion, the most important and most critical part of the construction project is the construction of the "Base Plate". The Base Plate is the part of the Hex Beam that acts as a hub, or spoke, to hold the spreader arms and also attaches the entire antenna to the mast.
Various materials have been used to construct base plates and I suspect that the most enduring material would be aluminum. In my case, however, I selected to make mine out of wood and seal it well with several coats of good quality paint. The two circles were then glued back-to-back and allowed to dry for a few days before continuing. Once the base plate material is identified and cut to size, the next essential step is to determine the position of each of the six spreader arms.
The six arms need to be spaced exactly degrees apart. There are various ways of completing this task, but I found it very easy to create a perfect hexagon on my PC, print it out, and use it as a template.
Once the template was "pinned" to the center of the circular base plate, a few lines drawn with a sharpie pen created the six lines required. Once the lines are drawn to identify where the spreader arms will be attached, the next step is to drill a hole for the center support post.
One of the most popular construction materials for the center post is thick-wall PVC pipe available at most local hardware stores. I drilled the center post hole with a hole saw that was just slightly smaller than the center post and then slowly hand sanded the hole to provide for a very tight fit between the base plate and the center pole.
There are about as many ways to attach the spreader arms to the base plate hub as there are ways to make a base plate. The three basic concepts are: a Attach the spreader arms directly to the base plate; b Provide a hollow tube into which the spreader arms can slide; or c Provide a rod onto which the hollow spreader arms can slide. My experience in building two Hex Beams is that the actual bend shape is quite crucial. Since the different length elements are strung between the bent spreader arms, one common problem in Hex Beam stringing is that the higher frequency shorter length elements tend to end up being very close to each other and cause unwanted interaction and detuning.
Leo's idea was to provide the spreader arms with a slight upward angle at the very base and hope the the 12M and 15M elements would have some additional separation.
Photos of my new Hex Beam installation!
I attached the base plate to the center post using three 3-inch x 3-inch "L" brackets from the local Ace Hardware Store. A few more coats of glossy black paint and the antenna construction is ready to start.
From personal experience, I strongly recommend a very modular approach throughout the entire construction process - always leave yourself an option of changing any particular piece later on.
In this specific design, for example, I found that the wooden dowels as spreader support arms was a bad decision. Within two months of being in the air, the wooden dowels had absorbed moisture trapped in the fiberglass spreaders and rotted.
Luckily, it was a relatively easy repair that was completed without the need to even lower the antenna to the ground. The fiberglass easily slipped over the EMT conduit and all six spreader spokes were replaced during a single weekend project.
Once the baseplate is completed, the Hex Beam construction project is far more than half complete. It's now time to move the project outdoors - you will need an area at least 20 feet in diameter that is clear of all obstructions. Both of my Hex Beams have been constructed in my back yard. I start with a very strong post solidy planted in the ground that serves as the antenna mast during construction.
Once the base plate is mounted to the temporary mast, the fiberglass spreaders are attached to the base plate and precisely cut lengths of dacron rope are used to form the six spreaders into the "inverted umbrella" shape. The process of doing this is very well documented on Leo Shoemaker's website and I can not imagine stringing the elements without first using Leo's method to form the basic shape.Some FAQs An Hexagonal Beam in 3 hours.
Over the last few years, I have heard guys using Hexbeam antennas. I also got descriptions as to how they were put together, how they performed etc.
Hex Beam mounted to tower
Rough drawing of beam construction. As I collected information from various HEX users, the main attributes became apparent This antenna seemed to me to be a good contender for two different types of Ham.
Number one is the guy who has a small lot in a town or city He probably needs an effective multiband beam, that both he AND the neighbours can live with. Number two is the guy who has lots of space, has good HF beams already, 20 thru' 10M and perhaps needs something for 30, 40 and even 80M.
I decided one Saturday morning, to build a monoband 17M Hexagon just for evaluation purposes. If the exercise was a success, I would build a 30 and 40M interlaced version. I took one of the timber end "cheeks" from an empty coax cable drum, drew lines from the centre at 60 degree intervals, and drilled two holes each side of these lines.
Elements attached HEX airborne at about 5ft high!! Resonance all wrong Swift recalculations That's better Resonant in the band. We'll get that right soon. HEX at 15ft high Quad at 35ft high. HEX about 1 S point down on the quad That's not bad Looks as if this could be what I need on 40 and 30M.
If you guys n' gals are NOT homebrewers tut tut.! ALL assured me that they are very happy with the product, and that they are built to an extremely high standard.
I have worked him on it, and it works a treat. You can probably catch him on 17m. What a beautiful QTH! The above antenna was an experiment It confirmed for me the fact that this is an antenna that works extremely well, in spite of the fact that it is really small and tidy Many of these guys have homebrewed mono and multiband HEXs, and they now have uncovered pretty well all of the secrets.
Not all are homebrewers of course. Many of the subscribers are satisfied users of the commercial product from Mike Traffie at Traffie Technology. A pic to explain the Tip spacing formulae.Very Low metal signature High Performance.
Note please include your call sign, I verify valid orders by call. All Bobbers and Baby Bobbers come complete. Baby Bobber is an extremely light weight version of the Bobber Hex. The weight is around 6 pounds. This is the perfect antenna for a Tech Class Operators or anyone desiring to work 6 or 10 meter band and still have the benefits of a beam over a wire.
We reserve the right to whom we sell. Inquire if you would like to help us with this product. Beside the complete antenna's we offer a some custom art. Elements for Bobber Hex, Includes 1 center ring Select the element to add. These are cut to length and spades installed. Select the Band desired from the pull down.
If you would like help on a pure homebrew, Do it yourself call me. Info is always free. Live Chat Software. We are proud to offer the Hex in several configurations. Clubs are subject to discounts. Element Mounts Pre-installed on spreaders for easy of setup. OS connector installed to attach your Feed Line from your Radio. Price List for Bobber Hex Products. Price List. Select Band 20 Meter 17 Meter 15 Meter. Baby Bobber Dual Band 6,10 Meter.Finally and after many prayers and here the new Hexbeam with 40 meter band including 7 Bands!
Note: The 40 meter band is not directional like the other bands, it is a folded dipole. The worlds first commercial pure 7 band Hexbeam, not traps no loss no inflated sales pitch! Source: Link. All of the petitions were put on public notice earlier this yea Read more. The October issue of CQ is our annual Emergency Communications Special, with a special focus this time on the versatility that amateur radio can provi When the oper Organizer and anchor Peter Coss It took a probe that spanned two years and a stealth visit to the Cincinnati area, but a Federal Communications Commission enforcement official says h Posted date: September 15, in: Antenna No Comments.
Amateur radio operator accused of blocking broadcasts September 09, No comments. ARD 40kHz Recent Posts. Most Shared Posts. This video compares the. Solar physicist Leif Svalgaard of the W. King Vajiralongkorn receives ham radio callsign HS10A Icom IC 10 Features in 10 MinutesReturn to Top 20 Meter Hex at With the same radius as the second circle, start at the edge of the 4x8 sheet and mark the hexagon corners around the larger circle.
Gain on any Hex drops off slightly as you go up in frequency in the band. In our photo the 6x6 post was notched to leave a thick component that could be through-bolted or lag bolted to the girder. All Unarco bolts are specified as Grade 5 with serrated hex flange nuts for tight clamping to ply the post face and the connector together.
Hex Beam Mast Galvanic Compatibility. It is a directional antenna that provides great performance and does not require a full scale, expensive tower. After the attempts of the vertical antenna I decided to build the beam antenna. MyMemory is the world's largest Translation Memory. Hex Beam Project.MW0JZE - G3TXQ Hexbeam - PA3WB
The final step was to put the completed Hex Beam about 10 feet above ground and fine tune each band. Like said make the string into lengths of you would the wires and tip spacers needed to make a 6m Moxon. Browse our unlimited library of stock "balance beam" images and start downloading today with a subscription plan. Many boat builders offer canal and narrowboat builds, fitting out and refit services.
Hello, hex beam userswhat is the rotor of choice. We handle a variety of self drilling screws for your projects. Toll Free: Phone: Details to follow once I determine it works to my satisfaction. Complete new texture and paint. We installed the footers and installed the pergola this week. Part of Armstrong Holdings, Inc. Long pattern X-beam design provides for greatly increased torque and reduced hand fatigue.
Over the last few years, I have heard guys using Hexbeam antennas.When you subscribe, you receive only messages for the product you have subscribed to. You can check your current subscriptions and remove yourself from subscriptions at any time by visiting the Reviews Home page and clicking on the 'here' box under Subscriptions. If you have comments, questions, or problems with this procedure please write to the Forums Manager. This project involves a management team of volunteers who each take a topic of interest and manage it with passion.
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Hex Beam Photos
Forgot Password. Reviews Home. I only have about 15 ft maximum turning radius available at my QTH, due to some structures, so a hex beam is about the largest antenna that I could install. After reviewing several hex beam manufacturers, I decided to go with the K4KIO hex beam, mainly due to the recommendation and results of one of my friends.
I'm very happy that I did. The KIO hex beam has been the single best improvement to my station in several years. The quality and construction of the materials and the antenna structure are very good. I followed the recommendations in the manual, and applied a couple of coats of grey rustoleum spray primer paint to the spreaders.
I assembled the antenna, with the help of a friend, on my back lawn, using a portable tripod mounted mast to support the antenna. This came in handy. The antenna went together easily in one afternoon, with no problems.
Raising the antenna onto the roof was a bit unwieldy, but I had a crew of a few guys, which helped. We simply folded up the tripod, and walked the tripod, with the antenna still mounted to it and extended to about 6 ft, over to the roofline, where the other helpers raised it onto the roof.
I use a Yaesu GA medium duty rotator on the top of mast. Coming out of the rotator, I use a short 2 ft, 2" aluminum pipe that mates into the hex beam's universal mast clamp. This setup works fine. But a word of caution, if you do something similar, just be aware that the hex beam weighs 26 lbs, and has a 5. You will need a couple or 3 helpers to extend the mast, while keeping the guys taught. The 9H50 push-up mast is actually over its limit supporting the weight of this beam, and the GA rotator is near the limit of its wind load capabilities.
But, both seem to handling the load very well, so far! As far as performance, I am very impressed! The gain is much better than my old 2-el yagi at the same height, given that yagi was essentially a rotatable dipole! The antenna is rated at 2 kW PEP, and handles the power with ease. What I really like about this antenna is it simplicity, and full size elements, without having to worry about traps.
I installed the antenna at the bottom of the sunspot cycle, but even so, I've been able to hear and work stations that were difficult with my older antenna. I've been increasing my DXCC totals, and that was the goal! I can't wait to see the results when conditions start improving in the next solar cycle. I've had this antenna in service now for about 15 months, with no problems. I may decide to take it down at the year mark, just to check it out and service it, if needed.
I'm interested in how well the paint and fiberglass spreaders have held up to the CA sun.The hexagonal beam or known by many as the hex beam has become a wildly popular antenna. It is a directional antenna that provides great performance and does not require a full scale, expensive tower. It allows the average amateur to compete with the big boys for DX and without spending your retirement to do so. It can be stealthy against a background of trees or mounted low behind your roof line.
The hex can now be bought from a number of commercial sources both here in the U. But it can also be built by you without fancy tools and a lot of skill.
We have tried with this web site to encourage you to build your own hexagonal beam. As you browse through the pages, it might seem like a lot of work. But it is a barrel of fun to build and when you get it finished, the sense of satisfaction is immense. It IS going to work! And most probably it is going to exceed your expectations. The beam can be built with parts readily available and we have provided the specific parts and even sources for the parts. If some of the components look intimidating, such as the base plate or center post, we can sell you these components.
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