Roban - World Class Scale Helicopters

Official Freewing 70mm F-16C Falcon V2 Thread

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  • Jhnybgd
    Member

    • Dec 2017
    • 262
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    #761
    A friend at my club had this F16,it would not rotate from grass no matter what we did.....
    other 70mm would.
    I believe the cheater grates are creating a suction keeping plane stuck to the ground on grass.

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    • Twowingtj
      If It Flys, I'll Try It

      • Dec 2016
      • 1907
      • Southerntier, NY
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      #762
      Ron, just keep in mind that with the flaperons, you want to create more lift than drag on take-off. I have my take-off flaps at -25% with -14% elev. I usually hold back elevator on take-off roll to try to keep the nose light. I don't use landing flaps. The plane slows down nice when you keep the nose up on approach and you still have full aileron authority. My grass is fairly short, but somewhat bumpy. Just have to find out what works best for your conditions.

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      • Ron1950
        Retired ATC

        • Oct 2015
        • 887
        • brandon ms
        • Send PM

        #763
        thanks two that what I have programed in also

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        • dahawk
          Augermeister

          • Jun 2013
          • 1006
          • Keller,Texas
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          #764
          Dont use too much, maybe 15 -20 deg. Otherwise you run the risk of blanking out the elevator. I learned the hardway! Lol
          Currently flying: Twin 80mm A-10, 80mm F5, 80mm A6, 70mm Yak-130, 70mm F-16v2,90mm Stinger 90, 70mmRC Lander F9F, Flightline F7F TigerCat, Phoenix 46 size Tucano, Flyzone L-39
          Out of Service: 80mm Mig-21,64mm F-35, 64mm F/A-18
          I Want: 80mm A-4, twin 80mm F4J Phantom

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          • Stilgar99
            Member

            • Aug 2018
            • 14
            • Send PM

            #765
            Folks.
            I am putting my F16 together and it has a couple parts with no mention in the instructions.
            - two 1 inch long black wooden dowels
            - a plastic bag with clear plastic parts that look like small pegs and tiny plastic screws

            Any idea what these are for? They are not mentioned in the instructions or the build videos...

            Thanks in advance.

            Stilgar99

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            • Dirty Dee
              Member

              • Dec 2016
              • 768
              • Northern Illinois
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              #766
              The dowels go in the leading edge of the wings. Plastic bag is spare parts if you want to install plastic hinges for control surfaces.

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              • Hardway
                Hobby Squawk Moderator

                • Mar 2017
                • 3148
                • Willow Park, Texas
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                #767
                Originally posted by Dirty Dee
                The dowels go in the leading edge of the wings. Plastic bag is spare parts if you want to install plastic hinges for control surfaces.
                What D said!!! Enjoy. It is a nice flying bird. Just have enough elevator. I maxed out my throws and used 65% expo so I didn't experience PIO, but I have dialed the expo back to 50% and like it better. I am a touch nose heavy on mine...The more rearward you go, the more sensitive the elevator. You now that!!!! :Cool:

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                • Hardway
                  Hobby Squawk Moderator

                  • Mar 2017
                  • 3148
                  • Willow Park, Texas
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                  #768
                  Welcome to Hobby Squawk!!!! Sorry, should have said that first!!! Glad you are here!!

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                  • Stilgar99
                    Member

                    • Aug 2018
                    • 14
                    • Send PM

                    #769
                    Originally posted by Dirty Dee
                    The dowels go in the leading edge of the wings. Plastic bag is spare parts if you want to install plastic hinges for control surfaces.
                    Thanks for the quick responses!

                    Also, does the community recommend flaperons?

                    Stilgar99

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                    • Dirty Dee
                      Member

                      • Dec 2016
                      • 768
                      • Northern Illinois
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                      #770
                      I prefer flaperons.

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                      • gooniac33
                        The Original Gooniac

                        • Jun 2016
                        • 1047
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                        #771
                        Haven't posted here in a while... new videos will be shared later. New afterburner design installed and it really looks good now!
                        Check me out on youtube at https://www.youtube.com/user/gooniac33
                        I am an RC addict and innovator that loves to share my knowledge with those that need help. Ask me anything via PM if you need help! Check out my Website here https://www.gooniac33.me/

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                        • C17loadmaster
                          Retired USAF Aircrew

                          • May 2018
                          • 371
                          • Auburn, CA
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                          #772
                          Originally posted by gooniac33
                          Haven't posted here in a while... new videos will be shared later. New afterburner design installed and it really looks good now!
                          I finished mine last night too

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                          • C17loadmaster
                            Retired USAF Aircrew

                            • May 2018
                            • 371
                            • Auburn, CA
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                            #773
                            Originally posted by Stilgar99

                            Thanks for the quick responses!

                            Also, does the community recommend flaperons?

                            Stilgar99
                            I have flaperons too, works great. Also, I have the elevators on their own channel and when I select full flaps they activate as elevons for more control at approach speed.

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                            • purduephigam
                              Jet degenerate

                              • May 2017
                              • 352
                              • Plainfield, Illinois
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                              #774
                              Originally posted by C17loadmaster

                              I finished mine last night too
                              I am actually planning to get mine set up with the afterburner tonight too!

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                              • C17loadmaster
                                Retired USAF Aircrew

                                • May 2018
                                • 371
                                • Auburn, CA
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                                #775
                                Originally posted by purduephigam

                                I am actually planning to get mine set up with the afterburner tonight too!
                                Are you placing the ring in the tail cone like the 90mm version? Or did you purchase a Centerburner? RCGeeks Centerburners are a lot cooler for sure but the price is a little heavy. I have them installed in two of my favorites, the F-14 and one of my 90mm F-15s. I used the Cyclone Power on this plane as well as a few other of my everyday fliers. You don't even need to add a BEC or UBEC, just straight into the main power leads or plug into the lipos charging harness. To install on this airplane I slid a small flathead screwdriver between the tail cone and the fuselage to separate the glue and cut away foam the aft most foam until there was no thrust interference from the afterburner ring. There is plenty of room to do so and be able to re-glue the tail cone in place. The only consequence is you have to be more conscious of the tail cone being as it is weaker than before. It looks good though. I can add pics if you want, but its probably the easiest install of them all so I'm sure you already have it done.

                                Jim

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                                • purduephigam
                                  Jet degenerate

                                  • May 2017
                                  • 352
                                  • Plainfield, Illinois
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                                  #776
                                  I purchased the Centerburner from Chris. Unfortunately didn't get to it last night, but will hopefully get it installed this weekend. I put this in my F4 and have one set aside for my F15. Definitely really cool, even cooler with the aluminum tape!

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                                  • C17loadmaster
                                    Retired USAF Aircrew

                                    • May 2018
                                    • 371
                                    • Auburn, CA
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                                    #777
                                    Originally posted by purduephigam
                                    I purchased the Centerburner from Chris. Unfortunately didn't get to it last night, but will hopefully get it installed this weekend. I put this in my F4 and have one set aside for my F15. Definitely really cool, even cooler with the aluminum tape!
                                    Yeah totally haha. I thought I was a genius when I thought of using aluminum ducting tape with afterburners that and started a thread and had a video showing it off. Turned out I was a little late to the show... Other people thought of it too. I had been using it for years as hangar rash patches on aluminum colored foam P-51s

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                                    • purduephigam
                                      Jet degenerate

                                      • May 2017
                                      • 352
                                      • Plainfield, Illinois
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                                      #778
                                      It's like when I came up with the idea of the Double Stuffed Oreos. Apparently everyone else thought of it too LOL

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                                      • purduephigam
                                        Jet degenerate

                                        • May 2017
                                        • 352
                                        • Plainfield, Illinois
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                                        #779
                                        Stupid question, but regarding getting the plan set up for flaperons, do I just bypass the blue box completely and set up flaperons via the receiver? Furthermore, I'm confused how I would connect a gyro with all this; Y connector? Thanks in advance.

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                                        • Dirty Dee
                                          Member

                                          • Dec 2016
                                          • 768
                                          • Northern Illinois
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                                          #780
                                          Originally posted by purduephigam
                                          Stupid question, but regarding getting the plan set up for flaperons, do I just bypass the blue box completely and set up flaperons via the receiver? Furthermore, I'm confused how I would connect a gyro with all this; Y connector? Thanks in advance.
                                          For flaperon, each aileron servo needs to be put on a separate channel, so yes bypass the blue box. for piece of mind, maybe get a dedicated y-harness and bypass the elevators as well, since the servo power through the blue box is just being derived from the retract lead.

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