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Old May 31, 2011, 01:29 PM
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Joined Nov 2010
753 Posts
Thanks Markus..

I took another look at my 3 (clover) antenna..

they where not at 45deg.. like in this video..

Cloverleaf antenna for FPV by IBCrazy (1 min 5 sec)


I bent them closer to 45.. and it's improved about 10 times.. now when I move it around.. it does not cut out as much ..
1failure to the 10 before..

cant wait to get this in the air.... will start the build tonight with some modification on that cub..

Anyone have a video link ..like the one above for the 4 (skew planer) ?
that made it so simple to understand the angles ..

Thanks.. again ..
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Old May 31, 2011, 02:37 PM
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I think it is the same, just has four instead of three.....90 degrees apart vs. 120 if I understand correctly....
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Old May 31, 2011, 03:50 PM
la fabrique circulaire
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geneva
Joined Jan 2008
550 Posts
are you talking about this fresh one?

The Skew-Planar Wheel (SPW) circular polarized omni antenna by IBCrazy (1 min 11 sec)





A+
JAy
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Old May 31, 2011, 07:31 PM
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San Luis Obispo, CA
Joined Dec 2003
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Pair of completed skew planar antennas:



Right hand polarization. Side-fed with a short length of cable, for wing mounting.



Heavier gauge wire, for the receiver antenna.

Thanks for the awesome guide, Alex!

Jaybee!
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Old May 31, 2011, 09:34 PM
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Joined Nov 2010
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Thanks..

That makes it easy to understand.. !

I did my first set.. really quick.. HUGE improvement..

will draw up some templates to get the angles as close to perfect..

Thanks,



Quote:
Originally Posted by terry74 View Post
are you talking about this fresh one?

http://www.youtube.com/watch?v=P-3hwU5ejbE




A+
JAy
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Old Jun 04, 2011, 03:25 PM
Kiwi in Germany
whakahere's Avatar
Germany
Joined Jun 2010
2,284 Posts
Does anyone have a picture of their SPW jig? I am looking at making a few for my planes and I would love to see how people put their jigs together to speed up the process. I just finish making a cloverleaf jig that works nicely but I haven't thought up one for the spw.
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Old Jun 04, 2011, 03:43 PM
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It is same as CL, but 45 degree triangles at 90 crossover...
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Old Jun 04, 2011, 03:47 PM
Kiwi in Germany
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Germany
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Quote:
Originally Posted by vipix View Post
It is same as CL, but 45 degree triangles at 90 crossover...
yea I am guessing as much but I am building 5.8ghz and 2.4ghz antennas. So I have to keep that cross over point very small.
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Old Jun 06, 2011, 07:25 AM
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Quote:
Originally Posted by whakahere View Post
yea I am guessing as much but I am building 5.8ghz and 2.4ghz antennas. So I have to keep that cross over point very small.
Side feed or base feed? For side feed, I use magnets on a small metal plate. Drop the wires on them and it holds geometry.

For base-fed I use a split bullet inside a cylinder. I will post pictures if I can remember where I put my camera... Basically I have a cylinder with 4 magnets on the edge. The bullet has a small loe in the middle and is split in two. The cable comes through the center of the bullet, the cylinder hold the halves together. Dorp the lobes in and the magnets hold them in place for soldering. Add heat and solder and it does it perfectly every time. When soldered, push the bullet from the cylinder and it splits open to unlock the antenna.

-Alex
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Old Jun 06, 2011, 10:12 AM
la fabrique circulaire
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geneva
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5.8g spw

0.5mm piano cord made

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Old Jun 06, 2011, 01:52 PM
Kiwi in Germany
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Germany
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Quote:
Originally Posted by IBCrazy View Post
Side feed or base feed? For side feed, I use magnets on a small metal plate. Drop the wires on them and it holds geometry.

For base-fed I use a split bullet inside a cylinder. I will post pictures if I can remember where I put my camera... Basically I have a cylinder with 4 magnets on the edge. The bullet has a small loe in the middle and is split in two. The cable comes through the center of the bullet, the cylinder hold the halves together. Dorp the lobes in and the magnets hold them in place for soldering. Add heat and solder and it does it perfectly every time. When soldered, push the bullet from the cylinder and it splits open to unlock the antenna.

-Alex
that sounds like a great plan. Love to see a picture still as I am more visual that ... reading learner

but magnets sound like a great idea!!
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Old Jun 06, 2011, 01:53 PM
Kiwi in Germany
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Quote:
Originally Posted by terry74 View Post
0.5mm piano cord made

My hat off to you. they look bloody good!
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Old Jun 06, 2011, 11:53 PM
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Canada, AB, Lac La Biche
Joined Aug 2010
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this post was originally about my bent-then-straightened blu-beam cpw antenna, moved over to VAS customer support thread..
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Last edited by Glenstr; Jun 07, 2011 at 12:38 AM. Reason: moved post to different thread
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Old Jun 21, 2011, 03:20 AM
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Many thanks
Can't wait to try out my SP and CL combination
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Old Jun 22, 2011, 09:40 PM
Engineer for Christ
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Amherst, VA
Joined Jun 2006
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Taking a break

Many of you have noticed I haven't been around as much. It's because I have been burned here on RCG. I will continue to be active on FPVLAB where it appears there is a much more mature crowd.

You can find me and post questions here as I monitor this regularly: http://fpvlab.com/forums/forumdispla...Aerial-Systems

That is also where I plan to launch my new antenna designs.

Take care all of you,

-Alex
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