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Old Jul 11, 2015, 10:00 PM
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My FrSky rx - the white, no telemetry, sorry-i-don't-have-the-number one, has two longish black antennae growing out of it. There is no possibility to put one crosswise in my Yak 12; the antenna is longer than the fuselage us wide. I am operating under the impression that these two antennae should be perpendicular to one another.

Is this correct? Should they? Should I poke a hole in the plane's floor and stick one of them out?

Or any other suggestions?

Thank you.
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Last edited by SlowJeff; Jul 11, 2015 at 10:00 PM. Reason: My autocorrect is driving me crazy.
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Old Jul 11, 2015, 10:04 PM
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I believe you will find that the whole length isn't antenna. If I remember about 1 1/4 inches is 1/4 wave for 2.4 so don't worry about the first part out of the Rx. Make sure the last 2 inches or so are oriented the way you want and a bit away from 'junk'.

186000*5280*12/24000000000*.25
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Old Jul 11, 2015, 10:08 PM
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Quote:
Originally Posted by 4*60 View Post
I believe you will find that the whole length isn't antenna. If I remember about 1 1/4 inches is 1/4 wave for 2.4 so don't worry about the first part out of the Rx. Make sure the last 2 inches or so are oriented the way you want and a bit away from 'junk'.
Aha! Of course! And to make it more obvious, had I only been actually thinking, the end inch and a quarter is uninsulated wire.

So I can easily orient them, and keep them away from junk, which is an issue. I put an NX3 Evo in this plane, and I'm sure its little digital brain is thinking some thousands or millions of digital thoughts every second.

Thanks!
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Last edited by SlowJeff; Jul 11, 2015 at 10:10 PM. Reason: Earth to autocorrect - uninsulated is too a word.
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Old Jul 12, 2015, 02:21 AM
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Why people are using these ancient units in a scientific context is beyond me. They are impractical to work with. Tradition has no place in science. Come on, it's the 21st century. Stop using those units! At least in a scientific context...

Gallons, inches, feet, miles belong in a museum together with Roman ciphers.
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Old Jul 12, 2015, 04:57 AM
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AW!.....................It ain't worth it.
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Old Jul 12, 2015, 05:51 AM
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hi everyone

is there a page that explains the difference between the new european protocol and WW protocol ?

tried to search but can find anything except how to update the firmware

thanks
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Old Jul 12, 2015, 06:02 AM
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Originally Posted by SBright33 View Post
Long thin edge really? How many RSSI units if I turn them 90 degrees? Just did a range test got 300ft to 40 RSSI then rapidly drops to 0. Tested with RX only nothing else on the plane. Also tried carrying the RX instead, leaving the TX behind in a slightly different position. Only got 150ft to failsafe. This implies the problem is NOT in the telemetry direction.

300ft x 30 = 9000ft what gives?
I'm only getting 1200ft to 40 RSSI.
Tx and RX antenna need to be in the same plain to get maximum distance, ie paralell to each other.
For line of sight I much prefer to use the wiska antenna , less total range but better diversity.
Your range tests sound reasonable to me and getting an odd rssi warning at 1200ft would not be anything to worry about, I too get them on occasion butnever had any loss of control and rssi levels immediately come back up to above 50 or so, I suggest logging your flights and seeing what the rssi looks like.
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Old Jul 12, 2015, 06:04 AM
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Originally Posted by Nora View Post
hi everyone

is there a page that explains the difference between the new european protocol and WW protocol ?

tried to search but can find anything except how to update the firmware

thanks
Listen before talk is one of the main things the EU has, most would agree its best to stick with the normal version if you don't need to change.
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Old Jul 12, 2015, 06:16 AM
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Quote:
Originally Posted by frater View Post
Why people are using these ancient units in a scientific context is beyond me. They are impractical to work with. Tradition has no place in science. Come on, it's the 21st century. Stop using those units! At least in a scientific context...

Gallons, inches, feet, miles belong in a museum together with Roman ciphers.
Yeah... let's go there...
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Old Jul 12, 2015, 06:17 AM
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Originally Posted by nigelsheffield View Post
Listen before talk is one of the main things the EU has, most would agree its best to stick with the normal version if you don't need to change.
your telling me to shut up ?




















thanks for the info ..il stick with the normal version then
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Old Jul 12, 2015, 06:29 AM
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your telling me to shut up ?




















thanks for the info ..il stick with the normal version then
I normally get told to think before I speak lol.
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Old Jul 12, 2015, 12:24 PM
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Nigel, you're right, an occasional RSSI warning at 1200ft is no big deal. DEPENDING WHAT YOU SET THE ALARM AT. I set it to 40. During range test it rapidly drops from 40 to 0 as you walk away. An alarm at 48 mean you can go twice as far. An alarm at 40 is dangerous?
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Old Jul 12, 2015, 02:30 PM
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I have had my Taranis XD9 Plus for 3 months and it has been working great, the about 14 days ago I thought the battery was dying. It wouldn't hold a charge for very long. Then over the last week the screen slowly gets gray and fades off about 15 - 20 seconds after I turn it on. If I turn it off and then back on the screen stays blank although the radio gives me a verbal switch or throttle warning. I tried a different battery with the same result. Any ideas?
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Old Jul 13, 2015, 05:04 AM
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Originally Posted by woglom View Post
I have had my Taranis XD9 Plus for 3 months and it has been working great, the about 14 days ago I thought the battery was dying. It wouldn't hold a charge for very long. Then over the last week the screen slowly gets gray and fades off about 15 - 20 seconds after I turn it on. If I turn it off and then back on the screen stays blank although the radio gives me a verbal switch or throttle warning. I tried a different battery with the same result. Any ideas?
I got exactly the same problem on a brand new T+. The root cause was a defective motherboard. Changing it (under warranty) definitely solved the issue.
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Old Jul 13, 2015, 05:32 AM
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I got exactly the same problem on a brand new T+. The root cause was a defective motherboard. Changing it (under warranty) definitely solved the issue.
Ok, thanks for the reply. I'm waiting to hear back from RMRC which is where I bought it. What bad timing! I'm at the tail end of a six week recovery from neck surgery......I'm fine but not released to go back to work for another 10 days or so. Just think of all the flying I could have done without spousal complaints!
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