MICROANTENNA... how, why, and where - RCCanada - Canada Radio Controlled Hobby Forum
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Old 02-17-2005, 09:15 PM   #1
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MICROANTENNA... how, why, and where

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ok guys..here is a new one for you..(Unless you visit savage-central)
Has anyone heard of the MICROANTENNA...
well..was in the LHS a long time ago complaining about how often i break antenna tubes...(course it has nothing to do with my driving style)...and the guy (Dave Henry) mentioned a new thing that they use in some of the tanks he makes...and it is designed for the high vibration environment of the rc world..so i gave it a look..read up on it from the web site... http://www.microantenna.com/m75specs.html and decided to give it a whirl..
EDITsomething is wrong with the web site..this works as well.. http://www.ecubedrc.com/
My first attempt (at Daves suggestion) was to put the thing horizontal on the top of the radio tray...problem is..much lower range and the required antenna wire is longer than the prescribed 1 inch..so that didn't work..

Second attempt..usally my best effort...came with some success..just used a broken antenna tube, put some fuel tubing around it the legnth of the micro antenna, slid it over the fuel tube and put the whole thing in the original antenna holder..and whala...nice..and got some range back (still to be tested live)...and it is a solid fit. You do need to enlarge the hole in the upper radio lid so the antenna fits thru it easity...

here is a couple of pics...
the little blue chunk of tube is the solder job..and the green is the cut antenna wire..it can only be 1 inch...

this is how it looks with the radio lid in place..very nice..hope it works...

Well..initial testing was very positive..I drove in an area that I normally drive and had normal range (a parking lot) with only one small glitch and that was when i got close to a car..the failsafe kicked in but came right back instantly..

It seems fine to this point, i am very satisfied.. The web site says there worst test was a loss of 15%..I think I can live with that...To me it's a keeper..but I will keep you guys updated..and besides..I ain't breaking no more tubes...no more fighting the antenna to put on the body..the radio tray no longer has a very long antenna that I have to work around. i like it...

I will gracieously accept any loss of range for the size of this puppy...

Others will want full range..but I can accept a slight loss..

Admitedly, the range is reduced, but I have been bashing is some gargantuane parking lots and yes I get outdistanced, but I get so far away that it doesn't really matter.

I would guess I was around 700--800 feet away..which really is plenty.

Now the guy's I was with..almost doubled my distance..but I really wan't concerned.

It isn't perfect..it is glitchy in a urban setting..but it is fine really for most bashing and racing needs.

It reacts to large metal objects...(cars and trucks)..

I would not consider it for a buggy style application, as there is too much alloy and carbon fibre around to interfere with it. I heard that Richard Saxton used them for a short time long ago.. and quickly swiched back to a noraml antenna. Again a buggy is very different than may savage so I can't say that it will or won't work in your particular vehicle.

The times that it is most susceptible to glitching are around other parked vehicles, but i have more than learned to compensate, and can't actually remember when it happened last... It happened most when i was on my street, but keep in mind, it's a thin street with cars parked all over.. and only room for one to pass at a time, so lots of metal to screw it up.. but it really wasn't an issue...

I must admint, that I forget about it completly untill i have the body off and into the radio box...Many of you have seen it on my savage and asked, so I thought i would share it again here with offroadrc.ca

If you are curious about them, they cost $18-$20 cad and will again be back in stock at Pinnicle Hobby. I will shortly be putting them on my rc18 and my m18. Both have a perfect brace across the top that these will lay down on. And since there isn't much alloy to interfere with reception.. they should be great... and besides, niether vehicle can get too far away becasue they are so freekin small... lol...
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