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Old Jan 24, 2013, 01:12 AM
|Taranis|>|All other Tx's|
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United States, WA, Richland
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Quote:
Originally Posted by Rotozuk View Post
Probably not going to be selling there, rather going to be there to show off the new gear and explain RSSI and other good things to folks.

Never been to this show, but it looks like a lot of sales do go on there. It is a logistics nightmare for me to get products there, and manage selling and presenting at the same time. I think properly explaining the benefits of FrSky to folks might be time better spent..?

We might have a FrSky beginner package we could sell. Module and receiver for a nice price... Thoughts?

-Wayne
It's been a while since I've been, but i think you'll be disappointed if you don't allow yourself time to be a participant for awhile. A stack coupons and stickers .. sure. but hauling product both ways... might scar you for life.
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Old Jan 24, 2013, 02:59 AM
Tassie Electric, Heli, Glider
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Hobart, Australia
Joined Oct 2002
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I know the frsky new Tx's will take a JR rf module but dont want to ruin my new TX by having to put in a OrangeRx DSM module with that silly aerial that will stick out the back. Be nice if frsky will have the same antenna connector in the module bay as the 9XR enabling use of the frsky antenna using the new turnigy antenna-less rf module. Thats my wish of the day!
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Old Jan 24, 2013, 03:21 AM
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I have to disagree...
It is clear to me that Turnigy/Hextronic/HK does not have RF engineers in their team, able to design proper solution for antenna mounting.
Both Turnigy 9X umbilical cable and and MMCX plug in back of module are bad designs and I hope to not see followers and the birth of a new monster standard amongst third party module builders, only for the reason of supposed big sales to come being "9XR antenna compatible".

Why do you think Hitec didn't adopted such solution for Aurora ?
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Old Jan 24, 2013, 04:41 AM
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Originally Posted by renatoa View Post
I have to disagree...
It is clear to me that Turnigy/Hextronic/HK does not have RF engineers in their team, able to design proper solution for antenna mounting.
Both Turnigy 9X umbilical cable and and MMCX plug in back of module are bad designs and I hope to not see followers and the birth of a new monster standard amongst third party module builders, only for the reason of supposed big sales to come being "9XR antenna compatible".

Why do you think Hitec didn't adopted such solution for Aurora ?
Renatoa I don't disagree with you but that statement is very short on specifics.

To just say that it is a poor design without details is "just blowing hot air". Can you provide any facts about the design as to where it falls over please?
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Old Jan 24, 2013, 04:52 AM
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I don't know of any small pluggable microwave connectors that are rated for more than a handful of insertion cycles. And of course, unless they are top quality, assembled/soldered to the highest standards and have the appropriate signal path through to the other end, they can introduce significant signal loss and so degrade range and performance.

That's why I agree with Renatoa, pluggable 2.4GHz connectors are a bad design for frequent use (especially in the low end of the hobby Tx price and quality range) and introduce yet another variable into the reliability and performance of the Tx.
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Old Jan 24, 2013, 05:06 AM
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Originally Posted by Atomic Skull View Post
The first thing I thought is that it looks like some sort of evil robot on Doctor Who.
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Old Jan 24, 2013, 05:18 AM
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Also, these connectors are designed to connect a cable to a box, not two rigid boxes together. They are of snap-in type, that means once snapped, there will be no flexibility between the two connectors, and any effort due to a module play in the compartment will go into the soldering, unlike the module pins, which are flexible, and allow a play in module connector. So, I see soldering at any plug side to wear soon even if no frequent module replacement, just by module small movements.

Beyond this, the handle antenna itself I find not optimal, especially for beginners, as was advertised. With the horizontal placement, and newbies reading everywhere that receiver antennas must be placed vertical on planes, will see lots of bad setups, having range under 500m. Place a receiver antenna vertical, the other along the fuselage, and you will have the "perfect" 3D null signal placement when plane depart or approach straight to you, having 26dB loss, i.e 8x less range than maximum
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Old Jan 24, 2013, 05:32 AM
Tassie Electric, Heli, Glider
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Hobart, Australia
Joined Oct 2002
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OK but the OrangeRx antenna is a bad and impractical design and if you cant use the new Turnigy DSM module then the X9D and the others will be of limited upgrade value to Spektrum users (who form a large part of the market). I will have to stick with my 9XR which is working OK and flying my BNF models and will be much much better when the Orange module gets replaced.
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Old Jan 24, 2013, 05:34 AM
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Quote:
Originally Posted by kgfly View Post
I don't know of any small pluggable microwave connectors that are rated for more than a handful of insertion cycles. And of course, unless they are top quality, assembled/soldered to the highest standards and have the appropriate signal path through to the other end, they can introduce significant signal loss and so degrade range and performance.

That's why I agree with Renatoa, pluggable 2.4GHz connectors are a bad design for frequent use (especially in the low end of the hobby Tx price and quality range) and introduce yet another variable into the reliability and performance of the Tx.
From page 85
Quote:
Originally Posted by wingz View Post
The SSMB data sheet I found rates the connector for more than 500 connections.
...???
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Old Jan 24, 2013, 05:41 AM
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Quote:
Originally Posted by renatoa View Post
Also, these connectors are designed to connect a cable to a box, not two rigid boxes together. They are of snap-in type, that means once snapped, there will be no flexibility between the two connectors, and any effort due to a module play in the compartment will go into the soldering, unlike the module pins, which are flexible, and allow a play in module connector. So, I see soldering at any plug side to wear soon even if no frequent module replacement, just by module small movements.
Supposedly the module is meant to be a tight fit so there should not be movement even a small amount once it is inserted. Of course this relies on the design being within tight tolerances and I have no idea whether this is the case.

Quote:
Originally Posted by renatoa View Post

Beyond this, the handle antenna itself I find not optimal, especially for beginners, as was advertised. With the horizontal placement, and newbies reading everywhere that receiver antennas must be placed vertical on planes, will see lots of bad setups, having range under 500m. Place a receiver antenna vertical, the other along the fuselage, and you will have the "perfect" 3D null signal placement when plane depart or approach straight to you, having 26dB loss, i.e 8x less range than maximum
The angle argument is kinda pointless because there will always be an orientation that gives you the signal loss. The only one of any merit in my view is that the antenna cannot be pointed directly at the plane.
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Old Jan 24, 2013, 06:40 AM
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Not true, with Tx antenna vertical, and at least a Rx antenna vertical, is the best signal you can have. Why would change this orientation ? Doing 3D and having no stable antenna position of the plane ? But you don't fly 3D at 2km, at the edge of the coverage, you do 3D right in front of your nose, where is plenty of signal !
The only people needing full range are FPV-ers and copter guys, both flying level 99% of time.

Even this is not a merit, but another source of confusion for beginners !
Everywhere they read to NOT aim the plane with the radio, right ?
With this antenna in the handle you HAVE to ! Best signal is right in front of you !
You have to avoid having plane in your right or left side where are the two big "black holes".

Not the last argument, in a joke note... how long will take to see first guys handling a radio in a "gangnam style" grip ? covering the antenna with the hand
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Old Jan 24, 2013, 06:52 AM
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I assume that last bit was a joke. It'd be pretty hard to move the sticks whilst hanging onto the handle eh.
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Old Jan 24, 2013, 07:08 AM
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Sure, I wrote is a joke, but I seen so many activities performed as parodies of gangnam riding, that I expect everything
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Old Jan 24, 2013, 02:22 PM
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Australia, VIC, Melbourne
Joined Aug 2011
648 Posts
I have my 9X antenna in the horizontal position and it works well. I'm more likely to fly overhead rather than to my side. And I've flown out to 1.2km with no problems.

I think the horizontal is the best position.

All this talk about connectors is supposition until a module is released. If it works its a great idea.
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Old Jan 24, 2013, 03:27 PM
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Germany, BW, Freiburg
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Yes, my tx antenna has always been in horizontal position an i didn't have problems with it. My previous TX was a High-End Hype ST6DF so It couldn't get a good range anyways but for me it was just enough and I hadn't any issue!
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Last edited by Sansha999; Jan 24, 2013 at 03:27 PM. Reason: spelling
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