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Nicaragua 1890 10c SG#30 Print
Stamps - Nicaragua
Written by 14FR937   
Sunday, 23 November 2008 00:00
Last Updated on Monday, 10 August 2009 06:24
 
Nicaragua 1890 5c SC#22 SG#29 Print
Stamps - Nicaragua
Written by 14FR937   
Saturday, 15 November 2008 00:00
Last Updated on Monday, 10 August 2009 06:24
 
Video of the Cubex Cubical Quad Assembling Print
Stories - General
Written by 14FR937   
Thursday, 04 September 2008 20:04

 

Hi,

The new video showing the Cubex Cubical Quad 6 elements assembling has arrived, push the Videos button on the left menu

Have fun !

Last Updated on Thursday, 04 September 2008 20:06
 
Assembling the Cubex Cubical Quad 6L Episode II Print
Stories - Antennas
Written by 14FR937   
Monday, 01 September 2008 15:09

 

Hi Guys,

We are back for the second part of this article that will show you the end of the Cubical Quad 6 elements assembling.

We ended the previous article with all the Quad spreader arms attached on the boom, we now have to attach the copper wires onto the spreader arms and tighten all the parts together.

Attaching the copper wire on the Driven Element

We strictly followed the Cubex documentation and began to attach the first copper wire on the Driven Element, holes were already drilled at the spreader arms extremities (the black parts) and we just had to insert the wires into them, the loop formed by the wire will be attached to the Terminator Block (the small white square depicted on the picture below) only when all the arms will be fitted with their wires (shown here already attached because the insert picture has been taken at the end of the process).

Driven Element 

 

Don't forget to shake the spreader arms before tightening/soldering

In a way to ensure that the copper wires get the right tension it is not sufficient to apply the tension manually on the two extremities of the copper wire and then solder.

Don't forget that BEFORE tightening and soldering the wire coupler and the copper wire, you MUST operate a relatively strong shake with your hand on the spreader arms, the copper wire will find its right place on the spreader arms and loose some of his tension, you will then have to re-tension a little bit the wire. 

Only after this can you tighten the wire coupler and then solder it with the copper wire. 

Have a look at the Video available in the Video section.

Attaching the copper wires on the Directors and the Reflector

The following picture shows one of the 5 wires that had to be attached to the Directors and the Reflector, the task is relatively easy but two persons are necessary because you have to apply the right tension on the wire and at the same time tighten the wire coupler (the small metal part shown on the picture), which blocks the loop.

 

 

Soldering the coupler and the copper wires

When the wires have been tightened with the coupler, we had to solder them.

We also soldered the wires on the terminator block of the Driven Element

At the end of the process all the copper wires have been attached and soldered, here is the final result

  

Raising the Quad

It took us 8 hours to complete all the tasks described in Episode I and II (two persons), at the end of the process we had to raise the Quad because a rainy storm was coming. Here is the Quad on top of the tower, the Quad is swinging due to a light wind coming with the storm.

A hard work and a great day for the two Brothers in hams !

 

Last Updated on Wednesday, 17 September 2008 11:26
 
Assembling the Cubex Cubical Quad 6L Episode I Print
Stories - Antennas
Written by 14FR937   
Sunday, 31 August 2008 18:42

 

Hi All,

Here it is, the Cubex Cubical Quad 6 elements has arrived in two boxes and we are ready to assemble it, we think it will take us one to two days to put it up on top of the tower.

Check the boxes content

Two boxes has arrived at home, the longest one contains the boom in 3 parts and the 12 spreader arms (fiber glass) that will be assembled onto the boom. This spreader arms are themselves made of 5 parts and we will have to assemble them using screws. The second box contains all the screws and parts that helps tighten the different elements together.

All parts are colour marked when necessary what will ease the assembly task.

Installing the rotator

The rotator that will be used is a Yaesu G1000C, this one has been bought on Ebay but seems as new. We checked it before installation and it works perfectly. The rotator will be screwed in the tower cage, and the tube of 1 centimeter thick that will support the Quad will be tightened in the rotator jaws.

 

Mounting the boom on the tower

We encountered a problem when trying to attach the boom on the arrow tube, the tube is 60 millimeter of diameter but the fixations that where shipped with the Quad are 50 millimeter, so we had to make new holes on the plate that ensures the fixation of the boom onto the arrow tube.

 

 

Attaching the spreader arms onto the boom

We will first attach the 6 spreader arms which are on the same horizontal plane onto the boom, it will be much easier for us because the boom is still up the ground at 2.5 meter. During all this process the boom had to be rotated and if we had attached the spreader arms on the horizontal plane and vertical plane at the same time, we certainly encountered problems rotating the boom.

So for each spreader arm we take the center part with its next two elements already screwed on it and we swip all this part into the appropriate boom hole.

As you can see on the following picture the boom is marked with colours and you can find the same colours on each corresponding spreader arm. The red arrow shows you a small metallic part that emerges from each center spreader arm, nothing is mentioned about it on the Cubex documentation that helped us assembling the Quad, but we really had problems with it. In fact as it emerges so much from the spreader arm, we were enable to swip the spreader arm center part into the boom, so we had to filed the boom hole on each side to allow the spreader arm to swip naturally into the boom.

Then we had to screw the center part onto the boom as shown below

Here is the result after a few spreader arms have been installed

Need a 6 elements Yagi ?

Form the crosses

 

All spreader arms are assembled, it looks like a Quad no ?

We do not encountered any real difficulties during this first assembly task, mainly due to the fact that all parts are marked with colours when necessary and holes are already drilled, thanks to Cubex.

The next part of this article will show you the installation of the copper wires onto the spreader arms and the Quad raised on top of the tower.

Last Updated on Tuesday, 17 March 2009 12:19
 
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