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Sticky Tx Antenna

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Old 02-18-2005, 08:52 AM
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JVB
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Default Sticky Tx Antenna

Is there any lubricant that shouldn't be used on a sticky Tx antenna? I was thinking of using silicon or similar.

Thanks.
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Old 02-18-2005, 10:30 AM
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BillPTC
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Default RE: Sticky Tx Antenna

NONE.
Use a good non abrasive cleaner like windex, etc.
Anything else will attract dirt.
Keep wiping it down with clean rag helps
My two cents worth
Bill
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Old 02-18-2005, 11:37 AM
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Default RE: Sticky Tx Antenna

Is there any lubricant that shouldn't be used on a sticky Tx antenna? I was thinking of using silicon or similar.
There have been horror stories of silicon sprays acting as an insulator - WD40 in particular.

I can't verify, however if after cleaning, it still sticks, I'd use a little grapite powder on a clean paper towel and wipe.

John
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Old 02-18-2005, 12:37 PM
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airega1
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Default RE: Sticky Tx Antenna

BELIEVE ME, IT WOULD BE A LOT CHEAPER JUST TO REPLACE IT!
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Old 02-18-2005, 01:03 PM
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Default RE: Sticky Tx Antenna

A sticky antenna is a dirty antenna. Only use alcohol and nothing else not even windex. clean it carfully with alcohol and a clean paper towel and you will be amazed how much better it slides and you will not have to worry about a loss of electrical continuity between sections. A regular cleaning is advisable because of all the handling it gets by fuel soaked hands.

John
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Old 02-18-2005, 10:02 PM
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Nogyro
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Default RE: Sticky Tx Antenna

I did all of the above and it would still "stick" again. Me and several of my buddies all got Rubber Ducky antenna's. Best money I've ever spent. Sure don't miss pulling that antenna out one bit! http://smileyantenna.com/index.php?cPath=33 Everyone got the same, if not better range test with them.
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Old 02-18-2005, 10:27 PM
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JohnBuckner
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Default RE: Sticky Tx Antenna

Actually I agree with you Nogyro as I am also a fairly recent convert to the Smiley and have experianced no detectable losses, if not a gain. Got one antenna and adapters on two Tx's. Thinking about another antenna and two more adapters though. Its a real pleasure not having that antenna wave around in front of your face. Got the real Purdy blue one and wanna try a red one too. the red one for flying the pylon racers and the blue one for flying the old timers.



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Old 02-19-2005, 07:01 AM
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Default RE: Sticky Tx Antenna

When we got ours, my buddy thought we should all get the black ones. Heck no! Brighten things up. We each got a different color. I got the yellow one. After flying for 13 years, it sure is nice not having to remember to pull that antenna out. Also a lot safer when tweaking needles. I've seen more than one antenna caught in the prop through the years. [:@]
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Old 02-19-2005, 08:11 AM
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Default RE: Sticky Tx Antenna

So those Smiley antennas work well?? Nobody I know uses one and I have never seen one in use. May have to start a trend around here.
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Old 02-19-2005, 09:51 AM
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Default RE: Sticky Tx Antenna

My only regrete is I waited so many years to try it. It is also very high quality workmanship and the adapters look great and fit perfectly. The Antenna can be removed or replaced faster than a conventional can be extended or retracted.
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Old 02-19-2005, 04:33 PM
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fiery
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Default RE: Sticky Tx Antenna

Smiley "duckie" antenna's ....

Can you use them for 35 or 36 Mhz?

The web site seems to indicate they are for 50, 72 or 75 Mhz use only.

Can anyone shed some light on this? I would love one, but in Australia it's 36 or 40 Mhz.
No point in getting one if it is not suited to our available frequencies.

fiery
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Old 02-19-2005, 04:52 PM
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Default RE: Sticky Tx Antenna

Fiery, I made lots of enquiries into this for Australia and had no luck finding any readily available for JR radios. Multiplex make them for use with their Tx's though.
I did find out that someone in Oz had one made by the guy that owns Canterbury Sailplanes in NZ. So it can be done. I was going to ask the company that tested my Tx a few months ago but he was busy and couldnt talk to me when I dropped my Tx in and when I picked it up he was out on a service call.
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Old 02-19-2005, 07:24 PM
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Default RE: Sticky Tx Antenna

Guys
I'm really surprised no one has used graphite. It is conductive so you won't have the problem with the sections becoming insulated from each other. I used to play with radios as a kid, designed my own QRP transmitters and I can tell you I'll never use a rubber ducky. I want all the signal I can get. Just my personal feelings. Not a slam to anyone.

John
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Old 02-19-2005, 11:48 PM
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Default RE: Sticky Tx Antenna

They don't reduce your signal strength - they just transmit a quarter or half wave - no big deal. By the time you notice a difference(and you won't) you will not be able to see your plane anyway.
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Old 02-20-2005, 06:39 AM
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Default RE: Sticky Tx Antenna

They don't reduce your signal strength -
Yes they do. A 1/16 base loaded antenna is not as efficient as a 1/4 wave whip.

.. they just transmit a quarter or half wave -
Ok lets have some definitions. 1/2 wave of 72 Mhz is about 80". Give or take an inch. 1/4 wave is what the telescoping antennas we usually use are.

... no big deal. By the time you notice a difference(and you won't) you will not be able to see your plane anyway.
Agreed, unless you're someone like me who likes to hide his antennas in the fusealage. Now I've reduced the signal strength again.

Just personal preference, I'll stick with the 1/4 wave whip.

John
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Old 02-21-2005, 11:54 AM
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Default RE: Sticky Tx Antenna

I would recommend that you spend the $10 or so and replace the antennae
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Old 02-21-2005, 12:12 PM
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Default RE: Sticky Tx Antenna

I also agree with JNorton. I did some testing with a rubber duck antenna and was able to measure 1.8 db drop in signal strength at 10 meters over the full size antenna. There is no way a rubber duck antenna can radiate like a full size whip antenna. I would NEVER use one!

Put simple with out getting all techno-geeky... A short loaded antenna is a compromise. If they worked as good as a whip a lot more people would be using them.

Pete
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Old 02-21-2005, 12:59 PM
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Default RE: Sticky Tx Antenna

JNorton and Modeltronics are absolutely correct. A loaded antenna is a compromise.

Any ham radio operator who has compared a rubber ducky to a full size antenna knows this well.

However, lots of RCers use loaded antennas with no problem. This attests to the robustness of our RC signal levels.
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Old 02-21-2005, 02:11 PM
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Default RE: Sticky Tx Antenna

JPMacG took the words right out of my mouth. The standard antenna will always outperform the shortened base loaded whip.
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Old 02-22-2005, 10:48 AM
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modeltronics
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Default RE: Sticky Tx Antenna

Just a thought....If you change the transmitter antenna to a rubber duckie....I would think it would void the FCC certification on the transmitter because it was never tested and certified with the rubber duckie.....then this would then void all AMA insurance.

Same as changing transmitter crystals.

Just a thought,

Pete
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