Official Freewing MiG-29 Fulcrum Twin 80mm Thread

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  • Airguardian
    Post Stall Svengali

    • Aug 2020
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    #6001
    Pushing the limits yet a bit harder


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    • drscoles
      Member
      • Feb 2023
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      #6002
      Can someone explain how to set up the reverse channel? I bought an ix10 just to have enough channels for the reverse... I'm a futaba guy, don't speak Spektrum very well, but learning.

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      • DCORSAIR
        My R/C addiction started in 1984

        • Jan 2017
        • 1918
        • Selma, Ca.
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        #6003
        Originally posted by drscoles
        Can someone explain how to set up the reverse channel? I bought an ix10 just to have enough channels for the reverse... I'm a futaba guy, don't speak Spektrum very well, but learning.
        Oh no, you went to the dark side, you should have gotten the Futaba 16IZ instead...........

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        • Evan D
          I'll fly anything

          • Jan 2016
          • 5387
          • Charlotte
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          #6004
          Really, he should have. Especially since there s no such thing as a Spektrum iX10!

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          • DCORSAIR
            My R/C addiction started in 1984

            • Jan 2017
            • 1918
            • Selma, Ca.
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            #6005
            Originally posted by drscoles
            Can someone explain how to set up the reverse channel? I bought an ix10 just to have enough channels for the reverse... I'm a futaba guy, don't speak Spektrum very well, but learning.
            Were just giving you a bad time buddy, I think you meant NX10, my buddy just got one and I have to say its a very nice radio, don't care for those long sticks it had though, I did go over some of the programs with him because I do his test flights on most of his jets, tried to get familiar with it but after being with Futaba 39 yrs I just didn't get it either so don't feel bad, but you can learn it.

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            • drscoles
              Member
              • Feb 2023
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              #6006
              Originally posted by DCORSAIR

              Oh no, you went to the dark side, you should have gotten the Futaba 16IZ instead...........
              I have two 32MZ's.... Don't wanna take a $3000 radio to the field for a quick foamy flight.....

              Forgive me for getting hung up on Spektrum nomenclature... NX...IX.... Makes complete sense.... LOL. I just want to be able to assign dual rates to every channel like in Futaba!!

              So, anyone care to opine on the virtues of setting up the reverse channel on the magical Spectrum platform??? 🤣 Click image for larger version  Name:	1B1DFA1A-F843-43FF-B21B-AB1C5328186F_1_201_a.jpg Views:	0 Size:	171.5 KB ID:	384755

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              • kallend
                -----

                • Nov 2016
                • 1863
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                #6007
                Originally posted by drscoles
                Can someone explain how to set up the reverse channel? I bought an ix10 just to have enough channels for the reverse... I'm a futaba guy, don't speak Spektrum very well, but learning.
                Assuming you know how to use the roller and get into "System Setup".. . . .

                Go into "Channel Assign"

                Scroll to the channel you wish to use for reverse (Ch 10 or "Aux 5", maybe) and use the roller to select the switch you want to use. Anyhow, I'll use this as an example.

                (Depending on which receiver you use, the ports may be numbered or named)

                Click on "NEXT" and make sure that port AUX5 is linked to channel Aux 5 (notice the difference in upper and lower case letters). Ports are the physical slots on the receiver that you plug things into, channels are just somewhat abstract positions in the transmitted data stream. You now have a switch associated with the channel and output port on the receiver. (If this seems weird, it is actually very powerful because it allows you to re-map the output ports in complex models like canard deltas with TV, for example).

                Now use the back button to get back to the main screen.

                Your selected switch will now send an output to port "AUX5" (or 10) on the receiver. You can see what it's sending on the monitor screen. By default for a 2 position switch you will see values of -100 and +100, which are fine for controlling the reverse function on the ESC. Plug the ESC's reverse lead into this port.

                If for some reason these are not the values you see because someone has previously changed them, you can go into "Digital Switch Setup" and once again use the roller to select the switch, and for its positions you can then use the roller to change the values for each switch position. As always, check that the values are correct using the monitor screen.

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                • drscoles
                  Member
                  • Feb 2023
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                  #6008
                  Perfect thanks! I ended up using program mixes for the TV, but might try to assign channels like you describe instead. Thanks!

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                  • kallend
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                    • Nov 2016
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                    #6009
                    Originally posted by drscoles
                    Perfect thanks! I ended up using program mixes for the TV, but might try to assign channels like you describe instead. Thanks!
                    In general you can accomplish things in more than one way, and different people have different preferences. One word of warning, when using programmed mixes to set the values sent on a channel, you probably should set Channel Assign for that channel to "inhibit" or you can get some unexpected results that can be hard to debug, since two inputs are trying to control the same thing**. (Of course, sometimes this is intentional because you want to modify, say, the elevator in response to throttle value, but usually it's just confusing).

                    ** This is because Spektrum in its wisdom decided that there would be default switch or knob or slider assignments to some channels, which you may not have wanted or even thought about, but they are there anyway. That's why when setting up a new model it's always a good idea to take a look at Channel Assign to see what's already there by default.

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                    • drscoles
                      Member
                      • Feb 2023
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                      #6010
                      I hate mixes! It was the only way I could figure it out... much rather assign a channel and work with ATV's from there. In Futaba, I would assign a condition to a switch so that its on or off, then adjust the function with ATV or AFR. example. Nose steering... when you retract gear, zero out nose steering ATV with the retract switch so the nose gear won't move when you are flying... Can I assign a switch to the VT, assign rudder and elevator... then have it disabled or activated with same switch? dual rates would accomplish this, but I can only adjust dual rates for elev,rudd, ail... which is super annoying.


                      thanks for your help!

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                      • kallend
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                        • Nov 2016
                        • 1863
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                        #6011
                        Originally posted by drscoles
                        I hate mixes! It was the only way I could figure it out... much rather assign a channel and work with ATV's from there. In Futaba, I would assign a condition to a switch so that its on or off, then adjust the function with ATV or AFR. example. Nose steering... when you retract gear, zero out nose steering ATV with the retract switch so the nose gear won't move when you are flying... Can I assign a switch to the VT, assign rudder and elevator... then have it disabled or activated with same switch? dual rates would accomplish this, but I can only adjust dual rates for elev,rudd, ail... which is super annoying.


                        thanks for your help!
                        You can't turn a channel assignment on and off with a switch, but you can turn a mix on and off. That's how I turn nosewheel steering off when the gear is retracted - the mix is rudder -> nosewheel, and the controlling switch is the gear switch. And yes, one switch can be used for several things.

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                        • Airguardian
                          Post Stall Svengali

                          • Aug 2020
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                          #6012

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                          • GliderGuy
                            Senior Member

                            • Oct 2018
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                            #6013
                            Originally posted by Airguardian
                            No doubt….You’ve mastered the dreaded high alpha lock. Cool opening sequence high alpha flying.

                            All bow to the master!

                            -GG

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                            • Airguardian
                              Post Stall Svengali

                              • Aug 2020
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                              #6014
                              Thanks GG!

                              In my mind, I may be the Master of post-stall, but I still think I am a universe away from reaching your achievement of a thousand flights with an EDF!


                              Edging slowly closer... but not sure any of my birds will ever achieve the feat, we'll see! :D

                              On a side note... I'm really long overdue for a gyro install and EDF upgrade... the jet will benefit massively from both!

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                              • GliderGuy
                                Senior Member

                                • Oct 2018
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                                #6015
                                You will…each sortie adds up.

                                Interesting data being gathered, for sure.

                                5 planes over time….all MRC stuff:

                                With all planes considered, 4,000+ sorties for the below.

                                BEC failures = zero
                                ESC failures = zero
                                Receiver failures = one
                                Gyro failures = zero
                                Crashes due to radio control loss since starting to use RF chokes = zero​

                                And…a relatively few Freewing servo replacements considering. See below.

                                Pretty good record of quality.

                                -GG

                                PS Additional data points…. All use the “same” FW servos….flight control servos only <below>:
                                PJ-50 = Replaced one aileron servo
                                AL-37 = Replaced 0 servos
                                P-38 = Replaced 2 aileron servos and upgraded the elevator servo
                                F-4 = Replaced 1 rudder servo and one aileron servo and upgraded the elevator servo
                                B-2 = replaced 2 failed
                                MiG-29 = upgraded elevator servos and one aileron servo got the jitters

                                Some were replaced because they developed jitters. Landing gear servos have proven to be robust with only random failures. Nothing major out of line for this type servo.

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                                • Airguardian
                                  Post Stall Svengali

                                  • Aug 2020
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                                  #6016
                                  Not bad indeed.

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                                  • Airguardian
                                    Post Stall Svengali

                                    • Aug 2020
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                                    #6017

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                                    • egldriver
                                      Member
                                      • Sep 2023
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                                      #6018
                                      My mig 29 right engine doesn't start till over quarter throttle. Changed motor. Bec quit after 5 flights. Use separate rx battery now. Did calibration. Beeps after battery connection seem weaker than left engine

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                                      • Airguardian
                                        Post Stall Svengali

                                        • Aug 2020
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                                        #6019
                                        Finally bit the bullet and installed a couple of Promodeler servos on the stabs... long overdue!



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                                        • GliderGuy
                                          Senior Member

                                          • Oct 2018
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                                          #6020
                                          [QUOTE=Airguardian;n386580]Finally bit the bullet and installed a couple of Promodeler servos on the stabs... long overdue!



                                          Yep…They saved that last landing.


                                          Nice flying!!!

                                          -GG

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