OK guys, This one goes out to all those tech-ie types!
This is focused on the high-end JR radio systems, ie 8103, 9303, 9503, and the newer 11x, and 12x systems.
We have tried and failed to set up for using as a true full authority buddy-system to train complex, flap gear equiped aircraft.

So far the user manuals will guide you into a master/slave set-up, however you only end up with the four, (Thrust, Pitch, Roll, Yaw) controls, and no trim on any of these four.
What are we doing wrong guys? I want to work with some fella's and can't seem to make it happen.
What we need is the full authority transfer on a duplicate radio to allow for flap, gear, and full trimming capability.

We checked with Horizon tech departments, and told by two different guys that with the above mentioned radios, we could only get the four mentioned controls with no trimming.

To disapoint me further, one guy said that anyone owning a radio such as the 9303, or an 11x would be able to figure things out on his own. In my opinion, this is a pissy answer, and furthermore does nothing to address the needs of someone seeking quality buddy-box training for his turbine waiver, or perhaps get some time on a new jet with someone flying guard for him.

I know some of you guys out there have overcome the shortcomming on these sets, please share the knowledge with me as I can not make further progress with the user manuals on these radios.

Respectfully,
Frank Alvarez.


P.S. Lets dispose of the JR vs Futaba for this one guys! Just looking for some guidance from guys that have faced the same situation.

If you want full control buddy box training you will have to switch brands.

I regret that I have no JR experience to contribute.

But fwiw to anyone else reading the thread and wondering if Futaba is better, I got a similarly useless answer regarding the wireless trng setup of my 14mz....but at least I do now have the specced 7 channels with trim, (no thanks to their customer svc)

I've been working with a student pilot with a BVM BobCat and two X9303s. We copied the BobCat program from the master to the slave and I'm pretty sure that with that setup, we have all 9 channels on both radios. Have to say, though, that since my friend hasn't tried take-offs and landings yet, I'm not 100% sure that he can operate the flaps and gear from his radio. I will double-check that next time we go out for a flying session.

Hey Jeffpro,

Thanks for the feedback!
We have even entered every individual channel set-point to match the two 9303's. In the end when activating the buddy switch, he ends up with only the four basics again with no trimming. How exactly did you guys get it right?
Thanks again,
Frank.

For information with the Futaba 12FG plugged into another 12FG using a standard square too square buddy lead all 14 channels are available on the slave, but if I use the radio buddy link only seven channels are available on the slave Tx.

Mike

Hi Frank,

I have a Rookie II set up on two 9303s. Everything works. I transferred the original to the second TX and everything worked. One needs to be slave and the other master. When I get to the shop, I will look at the exact trainer programming I have set up and re-post.

Doug

Doug's Hobbies
Bakersfield, CA

Checked my trainer set up on the 9303s. Both have the trainer function set to "master". Power up one transmitter, plug in the trainer cord to both and give it a try. The Rookie is in storage, so I will try this again with the Flash today to double check.

Doug

No matter what you try or do you will only get the 4 basic channels with JR. As stated above you will need to change brands to Futaba to get more.

Sorry about that guys, this is the one part I personally do not like at all about hte JR radio program. It has been this way for the past 15 years and does not look like it will change any time soon.

Thanks for all the input guys. I am on the other end of the trainer cord, with Frank Alvarez working with me so I can confidently slow down for landing with my two jets. You should see the bounces when you try to land an R-54 to fast. At any rate, we have been trying to get the trainer sytem to allow the student to have all trim functions as well as gear and flaps. I have a JR 9303 as does Frank. We worked on trying to get things lined up at the Maine Jet Rally to no avail. Ended up passing the transmitter around. I would take off and fly till it was time to land and Frank would land. I had heard from a Horizon Hobby Tech that keeping both transmitters in the "Master" mode and powering only the instructor Tx would give us the trim functions. Having recently bought a 12x because of a special deal from HH, I tried to use it as the trainer Tx (Franks' 9303 is currently not available to me) and it sorta worked but still no gear or flaps. It sure is a shame that JR, the supposed Gold Standard in R/C equipment has this shortcoming. Any help would be greatly appreciated and I'm not interested in swapping brands or bashing the other systems. I just want to get some training time under my belt so I can be confident with my landings.

John, I was pleased to see this post for your cause, but I think 'rcdoug' mis-read Frank's question.

Send rcdoug an E-mail or PM to see/confirm that he truly has full capabilities on the slave as the master Tx.

Good luck [&:]

**EDIT** You fly them just fine, it's the helium within the wings that makes your balsa R-54 tough to land....

You mean all I have to do is vent the helium air sacks and that butterfly will come down? I wish it was that easy but I'm sure when I graduate from the Alvarez Flight Training School all will be fine. You know, when I soloed in training for my Private pilots license back in the 50's they cut my tie off. Do you suppose that will happen again?

nope.. no tie cutting.. but your bank account gets deflated pretty quickly!

OK Gents,

I doubled checked the set-up by putting the Flash on the trainer.

Transfer your model from the master to the trainee's transmitter (using two 9303s)

Make sure the trainees transmitter is in ppm mode (I used a 72 mg tx for the trainer, 2.4 for the master))

Set BOTH of the trainer systems to "MASTER" ( I also set the slave / master bars to MAST on both)

Turn on the master transmitter, plug in the dsc/trainer cord, plug the other end of the cord into the slave transmitter ( do not turn on)

All controls, switches, trims should work. If they don't, double check your transfer.

That's it!

Doug

Hi guys,


Hello Doug,
Thanks a bunch for the info. I'm on a trip at the moment, should be back in Albany Friday eve. Can't wait to try this with two 9303's, and the 8103's we have in our inventory.
Take care,
Frank.

Thanks loads Doug. As I stated before I did the Master to Master transfer but used my 12X as the trainer. I had limited success. Trims but no gear or flaps. Non of us are Electronics whizzes but do you suppose that "make sure the trainees transmitter is in the PPM mode" is a factor when the trainees Tx is a dedicated 2.4 with no option for PPM? I can't imagine that it is since it's powered off.

9303 to 9303 is the only success I have had. Once with 72 mhz to 72 mhz, once with 2.4 to 72 mhz. Would not work with 12X or 10X.

Doug

For information 2.4Ghz only transmits on PPM, its only if you have a module type Tx that you will get the option to change the Frequency to differnt transmission types for different modules.

Mike

Thanks Mike. I suspected that since there is no option for modulation on a dedicated 2.4 system and when I switch my 9303 from 72 to 2.4 with the module it must also go to PPM.

With a module system you should have the option to transmit in PPM and PCM a 2.4Ghz module will not transmit if the Tx is selected to PCM, I don't know if the JR's select automatically or not, certainly on the Futaba sets you have to change between the Frequencies you wish to transmit on in the settings menu.

Mike

Mike, you have to do the same with JR. The instruction panflet that comes with the module, alerts you to change to PPM. The change is not done electronically

I confirmed today that if you cable together two X9303s after copying a model from one to the other, you have ALL controls operable, including gear and flaps. I suspect that copying the program over is key, although I don't know for sure. But it works.

Wouldn't this work for people with JR radios.

Emcotec DPSI TWIN Mini
Teacher-student mode with manual switch-over between teacher and student using a simple switching channel of the transmitter possible
"Pilot backup" by using two different frequencies (2 transmitters, 2 receivers) possible
Receiver/autopilot switch-over for UAVs
Dual frequency system with 2.4GHz and 72MHz possible
All control functions kept in place when switching from one receiver to the other
Free programmable failsafe positions for the switch-over


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