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Author Topic: My first 2.4GHz radio set  (Read 1295 times)

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Offline tadleysoarer

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My first 2.4GHz radio set
« on: February 03, 2017, 17:25:33 PM »
Hi fellow Slope Soarers,

I think my 35Mhz Cockpit SX is on the way out so I am looking for some advice on which 2.4Ghz set to get for my models. Sadly Multiplex is probably to of my budget.

I fly only gliders and only on the slope, I fly with Aileron Elevator on right stick and rudder brakes on left stick.

Half my models are sport models so Rudder Elevator and 2 ailerons so could do with a cheaper Rx with less channels.

The other half are scale gliders with Rudder Elevator and 2 ailerons and two brakes. One model the ASW 20 has flaps as well. I would want crow on the throttle and also have the airbrakes coming on at the same time.

The only telemetry I would be interested in is RX battery level, however I rarely fly long enough for it to be an issue and charge the night before flying.

I could survive with 7 channels but might go 8 or 9 for some redundancy and expansion in future. May do air tow one day.

I like the phase switch on the Cockpit SX which I use a lot so something similar would be good.

Looking at the likes Hitec Aurora 9, Futaba T8J or the Spektrum DX8, they are sort of in my budget.

Which do you think would be most suitable for me to consider?

Looking forward to some friendly advice, thanks

Tad
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Offline pooh

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Re: My first 2.4GHz radio set
« Reply #1 on: February 03, 2017, 19:03:09 PM »
I'm not a slope flier, actually I haven't flown anything for 6 years ! but why not just get another 35MHz TX ?  (I use Sanwa 8000)

just think of the cost of all those receivers and crystals. You don't need the fancy 2.4HGz add-ons (as you have explained) so why buy them?

and 35MHz is used so little that the supposed bugbear of interference is no longer an issue - I only once had an interference problem and that was down to a bad receiver with poor channel selection, during a very high-density flying environment.

but then I'm a reactionary old git...
Confucious he say "more than one aircraft in the same airspace leads to structural failure"

Offline stukno

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Re: My first 2.4GHz radio set
« Reply #2 on: February 03, 2017, 22:49:16 PM »
I converted my MPX Royal Evo to 2.4 using the FR Sky hack module and the little lcd screen. I've kept my fave TX and software, Can use the telemetry. (RX battery voltage needs no extra devices beyond a telemetry RX) and RX prices are near unbeatable.

Been using it three years now without so much as a tiny glitch

stu k


Offline Old Geezer

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Re: My first 2.4GHz radio set
« Reply #3 on: February 04, 2017, 00:40:30 AM »
Sure the Cockpit SX on 2.4 is a bit pricey, but keep an eye on the 2nd hand market, sub-100 pre-owned 2.4 SXs turn up now and again. Receivers aren't cheap, but you can swap them around between airframes like we did in the days of 27 & 35mhz
I bought my 2.4 Cockpit when they first came on to the market - the only way I will be separated from mine is when they prize it out of my cold, dead hands! ( To coin a phrase. )
Can someone remind me what I came in here for.

Offline Bad Raven

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Re: My first 2.4GHz radio set
« Reply #4 on: February 04, 2017, 07:35:08 AM »
If your existing Tx is on the way out then adding a hack module from FrSky is a waste of time, if it wasn't its likely the way to go when you have the Tx features so well burned in and it does what you want.

If it is toast then buy a Taranis and laugh at all those who have to have a "name" and pay through the nose to get an inferior product.

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Offline itsnoteasy

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Re: My first 2.4GHz radio set
« Reply #5 on: February 04, 2017, 11:13:46 AM »

If you only think that your TX is on its way out , Why not GET a professional opinion & have it  quality control checked / serviced to confirm  .. Before forking out s  then convert if
you really think you need to!!

Offline Phil_G

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Re: My first 2.4GHz radio set
« Reply #6 on: February 04, 2017, 12:36:36 PM »
I'm also intrigued, in what way is the set is "on the way out" ?   $%&
Cheers
Phil


Offline tadleysoarer

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Re: My first 2.4GHz radio set
« Reply #7 on: February 04, 2017, 18:08:51 PM »
Thanks for the feedback.

I am more than happy to stay with 35MHz as all my gliders have 35Mhz gear. After all I am still flying 35MHz several years after 2.4 came in! I did look at converting the SX to 2.4 but decided against as it would be costly and 35MHz is fine.

The faults with my TX are on/off switch sometimes does not switch on.

Also while setting up a new model changing name and settings a while later the same day the old settings appeared in the memory which I had replaced. Most strange and were it to happen while flying would be challenging!  Can't think why that would happen implies there may be some shadow memory that got recopied somehow. I suspect it may have been caused by switching on and off rapidly to turn it on but cannot be sure.

I contacted Mike Ridley who quoted me to take a look, but there is no guarantee of fixing it and the memory issue puzzles him. So I am reluctant to send it for service get switch fixed and find NFF on the memory issue I am not confident it might not re-appear.

If I could get another new 35MHz comparable to Cockpit SX or a new 35MHz Cockpit SX I would be happy. But looking on the internet I cannot see any reasonably priced new ones.

Tad



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Offline FrankS

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Re: My first 2.4GHz radio set
« Reply #8 on: February 04, 2017, 19:17:55 PM »
You could maybe try a wanted ad for a 2nd hand 35mhz Cockpit Sx, mine is still going strong and it must be over 8 years old now, still in use on a couple of 35mhz planes and with a DIY 2.4 module, but doesn't get used much these days. And with th rubber duck aerial I don't have to remember to extend the aerial when on 35 mhz.......................


Offline Bad Raven

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Re: My first 2.4GHz radio set
« Reply #9 on: February 05, 2017, 21:02:58 PM »
I have a little used 35MHz Cockpit SX I can part with. PM with "no sight of yet" tentative offer if interested, I'm Bromley, Kent.
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Offline wdeighton

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Re: My first 2.4GHz radio set
« Reply #10 on: February 05, 2017, 21:22:38 PM »
I would propose

     futaba 14SG
    or   hitec aurora 9x

I fly with a Jeti system and love it, but that is a different level.

Spectrum is another option, but I dont go there, But if you do go DSM2. Don't get sucked into an old dsm or dsmx as they are being superseded due to interpretation of legislation.

Offline FrankS

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Re: My first 2.4GHz radio set
« Reply #11 on: February 05, 2017, 21:43:30 PM »
I'm surprised nobody has mentioned this https://www.t9hobbysport.com/taranis-q-x7-2.4ghz-transmitter will provide you with all the flexibility if you are willing to learn the programming.

Offline slopeflyer

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Re: My first 2.4GHz radio set
« Reply #12 on: February 05, 2017, 22:40:27 PM »
I'm surprised nobody has mentioned this https://www.t9hobbysport.com/taranis-q-x7-2.4ghz-transmitter will provide you with all the flexibility if you are willing to learn the programming.
FARR too complicated.
You can get a futaba 8FG for cheap money second hand. Ive had one for 5 years, never missed a beat, 1000s of hrs flying, dropping on the deck, simple to program and totally reliable RF link.

Offline wdeighton

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Re: My first 2.4GHz radio set
« Reply #13 on: February 05, 2017, 22:57:49 PM »
I'm surprised nobody has mentioned this https://www.t9hobbysport.com/taranis-q-x7-2.4ghz-transmitter will provide you with all the flexibility if you are willing to learn the programming.

that's one way to prune your fleet.

In honesty, if it is well built you will be ok. But that is a big if
I know people that swear by them and against them.

Offline FrankS

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Re: My first 2.4GHz radio set
« Reply #14 on: February 06, 2017, 08:16:29 AM »
FARR too complicated.
You can get a futaba 8FG for cheap money second hand. Ive had one for 5 years, never missed a beat, 1000s of hrs flying, dropping on the deck, simple to program and totally reliable RF link.


If looking at 2nd hand 2.4, there's a MPX Royal Pro 9 with 3 receivers on Ebay at the moment,  http://www.ebay.co.uk/itm/Multiplex-RoyalPro-9-Transmitter-/112288707780?hash=item1a24edb4c4:g:VDUAAOSw4DJYkbNG


Offline itsme

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Re: My first 2.4GHz radio set
« Reply #15 on: February 06, 2017, 09:17:33 AM »
Been using, first a FF9 with a Hitec module, and for the past three or four years, a Hitec Aurora. Does exactly what it says on the tin, never had the slightest glitch. I'm sold on them. Simple to use software (instruction book says "do not read this book unless you are bored, just refer to it if you get stuck" which is exactly what most of us do anyway.

Offline itsnoteasy

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Re: My first 2.4GHz radio set
« Reply #16 on: February 06, 2017, 10:41:39 AM »
Been using, first a FF9 with a Hitec module, and for the past three or four years, a Hitec Aurora. Does exactly what it says on the tin, never had the slightest glitch. I'm sold on them. Simple to use software (instruction book says "do not read this book unless you are bored, just refer to it if you get stuck" which is exactly what most of us do anyway.
   
 
 As Above,
 I too have been using my  FF9  for  years but  with the Spextrum  conversion  2.4 module, & that too has  been nothing but perfect dms2 & dmsx rxs used..

Offline itsme

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Re: My first 2.4GHz radio set
« Reply #17 on: February 06, 2017, 10:50:55 AM »
   
 
 As Above,
 I too have been using my  FF9  for  years but  with the Spextrum  conversion  2.4 module, & that too has  been nothing but perfect dms2 & dmsx rxs used..
the 9 was a super reliable set, mine is still a great piece of kit and now has to be 10 years or more in age. If it was not for the price of Futaba receivers I would still be a Futaba person.

Offline FlyinBrian

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Re: My first 2.4GHz radio set
« Reply #18 on: February 06, 2017, 11:45:39 AM »
I would propose

     futaba 14SG
    or   hitec aurora 9x

I fly with a Jeti system and love it, but that is a different level.

Spectrum is another option, but I dont go there, But if you do go DSM2. Don't get sucked into an old dsm or dsmx as they are being superseded due to interpretation of legislation.
I think you are a little confused! - Its DSM2 thats superseded not DSMX
Basic Research is what I do - when I don't know what I'm doing!.

Offline slopeflyer

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Re: My first 2.4GHz radio set
« Reply #19 on: February 06, 2017, 15:22:04 PM »
Been using, first a FF9 with a Hitec module, and for the past three or four years, a Hitec Aurora. Does exactly what it says on the tin, never had the slightest glitch. I'm sold on them. Simple to use software (instruction book says "do not read this book unless you are bored, just refer to it if you get stuck" which is exactly what most of us do anyway.
Can you still get a hitec module for the FF9? Ta,

Offline itsme

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Re: My first 2.4GHz radio set
« Reply #20 on: February 06, 2017, 16:32:47 PM »
Can you still get a hitec module for the FF9? Ta,
Wheels pin models advertise them.

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Offline tadleysoarer

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Re: My first 2.4GHz radio set
« Reply #21 on: February 06, 2017, 18:09:38 PM »
Well I think I will take the plunge and go 2.4GHz.

Thinking of Hitec Aurora 9, seen loads of stuff on forums saying how good and Hitec do go support.

Tad
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Offline itsme

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Re: My first 2.4GHz radio set
« Reply #22 on: February 06, 2017, 20:43:12 PM »
Well I think I will take the plunge and go 2.4GHz.

Thinking of Hitec Aurora 9, seen loads of stuff on forums saying how good and Hitec do go support.

Tad
I have never been sorry I did. No silly satellites and reasonable prices. A mod I did was to change the battery for a bigger capacity- its best to put a futaba style connector in line so its an easy change. The stock battery does not seem to last very long (to me...) Look on Stan Yeos website- http://www.phoenixmp.com/ for the correct battery and instructions, its a worthwhile mod.

Offline tadleysoarer

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Re: My first 2.4GHz radio set
« Reply #23 on: February 06, 2017, 23:15:07 PM »
Thanks I am in discussion with Stan on the kit and will ask about the battery.

Is the HPP 22 PC interface a must have or just nice to have, can one program a model setting on a PC then download it or is the PC just sorting model memories?

Also apart from to extra channels and twin aerial is there any benefit fro going for the Optima 9 over the Optima 7?

Tad
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Offline itsme

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Re: My first 2.4GHz radio set
« Reply #24 on: February 07, 2017, 08:22:54 AM »
Thanks I am in discussion with Stan on the kit and will ask about the battery.

Is the HPP 22 PC interface a must have or just nice to have, can one program a model setting on a PC then download it or is the PC just sorting model memories?

Also apart from to extra channels and twin aerial is there any benefit fro going for the Optima 9 over the Optima 7?

Tad
If you need the channels then yes.  I have never bothered with a pc interface.

Offline the.Timinator

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Re: My first 2.4GHz radio set
« Reply #25 on: February 07, 2017, 09:38:35 AM »
+1

Exactly what he said.

I recently went to Aurora 9X after being a JR man for the best part of 30 years.

Tried a Taranis, but can't get on with it.

Aurora has a nice feel to it, smooth sticks and well balanced, and programming it is refreshingly simple.

So far, I've found the Optima 7 does it for me, although I haven't tried it in a big glider yet, several clubmates have done so with no issues.
Ah HAH! Thats how you do it!

Offline FrankS

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Re: My first 2.4GHz radio set
« Reply #26 on: February 07, 2017, 13:11:00 PM »
Friend has an Aurora 9 and really likes, from a glider perspective it does not do vario tones, I know another person who ditched theirs for this reason. But if vario function is of no interest, it does everything else you'd need for your gliders.

Offline skirmish

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Re: My first 2.4GHz radio set
« Reply #27 on: February 07, 2017, 13:48:42 PM »
I'm surprised nobody has mentioned this https://www.t9hobbysport.com/taranis-q-x7-2.4ghz-transmitter will provide you with all the flexibility if you are willing to learn the programming.
I had my hands on one of these over the weekend and for the price it is a very impressive bit of kit.

Offline slopeflyer

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Re: My first 2.4GHz radio set
« Reply #28 on: February 07, 2017, 19:53:03 PM »
I had a quick look at the specs between the A9 and A9X. They look very similar, the only difference i could see of relevance to gliders was the addition of curves on the mixes. Price 200 versus 295. So probably not worth the 9X unless you are going to use curves.

Offline tadleysoarer

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Re: My first 2.4GHz radio set
« Reply #29 on: February 07, 2017, 21:35:36 PM »
I looked and came to same conclusion, the 9X has 4096 bit resolution and the 9 1024, not sure I would notice.

Sadly Stan is out of stock of the 9 TX currently.

Tad
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Offline tadleysoarer

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Re: My first 2.4GHz radio set
« Reply #30 on: February 13, 2017, 12:45:26 PM »
Well my Aurora 9X arrived and it looks nice, slightly heavier than my Cockpit SX by about 100 grams.

Battery is 2,000mA so should be fine, same as Stan does as a spare. Also it has standard 3 pin connector so I can take it out and fast charge and cycle as well.

Well TX on charge and going to read the manual so  I can start programming for my slope models.

Tad
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Offline itsme

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Re: My first 2.4GHz radio set
« Reply #31 on: February 13, 2017, 13:59:50 PM »
That's good. Looks like they have sorted the little niggles. Mine is one of the early ones. Might do an upgrade....

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Offline tadleysoarer

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Re: My first 2.4GHz radio set
« Reply #32 on: February 13, 2017, 18:31:40 PM »
Just set up my Habicht and it is quite straightforward. The 7 point mix is nice but takes a while to setup, would be nice to set end points and then have it linear!

Found one of my servo leads was not long enough to reach the socket so re-assigned the outputs. Ch1-5 are one end of RX near the wing in my model and CH6 and 7 are the other end. So moved Rudder from 4 to 6 and spoilers to 4 & 5. A nice feature.
Now going to add dual rate, CAR and variable aileron differential on switches. Nice to have 4 3 point switches on the TX.
Also nice to see the RX voltage on the TX!

Tad
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