Roban - World Class Scale Helicopters

Official Nexa 1870mm DHC-6 Twin Otter Canadian Yellow (Balsa ARF) Discussion Thread

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  • Denniswpb
    Hobby Squawk Pilot

    • Dec 2017
    • 131
    • Rock Hill, SC
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    #221
    Originally posted by e123hpes
    Hello. Anyone have any suggestions for the reciever(preferrably spektrum)?
    You can't go wrong with an AR630, AR631, or an AR637T Anyone of these work very well. I have the AR637T in mine

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    • Denniswpb
      Hobby Squawk Pilot

      • Dec 2017
      • 131
      • Rock Hill, SC
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      #222
      Originally posted by Kazanski
      Hi! Anyone know who have the yellow floats in stock?
      No, but if you find them, let me know!

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      • Rmawer
        Member

        • Feb 2019
        • 31
        • So. Calif.
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        #223
        Originally posted by Kazanski
        Hi! Anyone know who have the yellow floats in stock?
        Nope. I’m still waiting and checking periodically.

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        • Rmawer
          Member

          • Feb 2019
          • 31
          • So. Calif.
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          #224
          Originally posted by Denniswpb

          No, but if you find them, let me know!

          Just got an Email that the floats are in stock at Motion

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          • Rmawer
            Member

            • Feb 2019
            • 31
            • So. Calif.
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            #225
            Originally posted by Kazanski
            Hi! Anyone know who have the yellow floats in stock?
            Just got an Email that the floats are in stock at Motion

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            • Chris_WaterGuy
              Member

              • Jan 2021
              • 25
              • Nottingham, UK
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              #226
              Has anyone fitted the floats yet? I have a set from Motion but have yet to fit them.

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              • Denniswpb
                Hobby Squawk Pilot

                • Dec 2017
                • 131
                • Rock Hill, SC
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                #227
                Not yet, but I plan on putting them on in the next few days. I'd like to fly it at Joe Nall

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                • Chris_WaterGuy
                  Member

                  • Jan 2021
                  • 25
                  • Nottingham, UK
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                  #228
                  Originally posted by Denniswpb
                  Not yet, but I plan on putting them on in the next few days. I'd like to fly it at Joe Nall
                  Great. Did you receive fitting instructions in the kit? I received mine last year but only just got around to fitting them and unsure whether I have lost the manual and possibly other parts which are shown on the Motion page but not contained in the box. Thanks

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                  • Denniswpb
                    Hobby Squawk Pilot

                    • Dec 2017
                    • 131
                    • Rock Hill, SC
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                    #229
                    I just opened the box and scanned the instructions that came with it. See attachment. Hope this helps!
                    Attached Files

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                    • Chris_WaterGuy
                      Member

                      • Jan 2021
                      • 25
                      • Nottingham, UK
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                      #230
                      Originally posted by Denniswpb
                      I just opened the box and scanned the instructions that came with it. See attachment. Hope this helps!
                      Ah yes it does. Thank you very much. I must have mislaid mine!

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                      • Denniswpb
                        Hobby Squawk Pilot

                        • Dec 2017
                        • 131
                        • Rock Hill, SC
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                        #231
                        Click image for larger version  Name:	20240515_132614.jpg Views:	0 Size:	43.5 KB ID:	403371 Click image for larger version  Name:	20240515_132640.jpg Views:	0 Size:	71.7 KB ID:	403372 Click image for larger version  Name:	20240515_143436.jpg Views:	0 Size:	57.2 KB ID:	403373 Click image for larger version  Name:	20240515_143530.jpg Views:	0 Size:	73.9 KB ID:	403374 Click image for larger version  Name:	20240515_132614.jpg Views:	0 Size:	43.5 KB ID:	403359 Click image for larger version  Name:	20240515_132640.jpg Views:	0 Size:	71.7 KB ID:	403360 Click image for larger version  Name:	20240515_143436.jpg Views:	0 Size:	57.2 KB ID:	403362 Click image for larger version  Name:	20240515_143530.jpg Views:	0 Size:	73.9 KB ID:	403363 Click image for larger version  Name:	20240515_143516.jpg Views:	0 Size:	61.7 KB ID:	403364 I just started assembling the floats for the Twin Otter, so I can fly it on the lake tomorrow and Friday at Joe Nall. I was a bit surprised when looking at the 4 aluminum supports, and then page 3 of the instructions. These ARE NOT plug and play! For some odd reason, Nexta makes you flatten the ends of the round aluminum float supports that connect the floats together (about 2 CM) and then drill the holes for the self-tapping screws that connect them to the top of the floats.. Okay, that's not too bad, just squeezing them flat in a vice and drilling small holes., no biggie.
                        The 2 aluminum struts that connect to the fuselage are a bit more challenging These two supports are flattened on one end, but not the other end, so you will have to flatten the one end, but then you need to bend the ends to the correct angle to connect to the fuselage and then the end that connects to the float. I guess my issue is why Nexta puts the burden on the end-user to correctly flatten the ends of the tubes, drill the holes, and then bend the ends to the correct angle. One wrong measurement or bend, then it won't be symmetrical. I called MotionRC this morning to ensure I was reading this correctly, and they said that's just how Nexta does it.

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                        • Denniswpb
                          Hobby Squawk Pilot

                          • Dec 2017
                          • 131
                          • Rock Hill, SC
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                          #232
                          Click image for larger version

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ID:	403369
                          Attached Files

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                          • Denniswpb
                            Hobby Squawk Pilot

                            • Dec 2017
                            • 131
                            • Rock Hill, SC
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                            #233
                            Has anyone programmed Differential Thrust on the Twin Otter using a Spektrum transmitter and receiver? You absolutely need differential thrust when on floats. I tried taxiing on the water without it and had no control. Please let me know and provide instructions how you did it.

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                            • Denniswpb
                              Hobby Squawk Pilot

                              • Dec 2017
                              • 131
                              • Rock Hill, SC
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                              #234
                              I found out how to program the differential thrust, and it works perfectly! Unfortunately, a few months ago I was doing a nice big loop and while inverted at the 11:00 position, the magnets on the left motor broke lose and it went into an unrecoverable spin. I had to wait a few months before the ARF kits came back in stock and I just put it together This time, I put Eflite Power 25 motors and 60A Avian ESC's in it. I got 3 flights into it so far and all seems good! I fly it on two 3700mAh 4S batteries in parallel.

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                              • MavA
                                Member
                                • Nov 2024
                                • 3
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                                #235
                                Can someone tell what these are for?

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                                • Denniswpb
                                  Hobby Squawk Pilot

                                  • Dec 2017
                                  • 131
                                  • Rock Hill, SC
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                                  #236
                                  Originally posted by MavA
                                  Can someone tell what these are for?
                                  They are covers for where the pushrods exit the rear of the fuselage. You have to carefully cut them out and use CA to glue them on.

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                                  • Denniswpb
                                    Hobby Squawk Pilot

                                    • Dec 2017
                                    • 131
                                    • Rock Hill, SC
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                                    #237
                                    Does anyone have the Tamyia paint code for the yellow Twin Otter or something even other than Tamyia?

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                                    • ICM
                                      Member

                                      • Oct 2017
                                      • 225
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                                      #238
                                      Just picked up the Twin Otter from a fellow club member. However, he flies Futaba and I use Spektrum. I installed an AR620 receiver and need to set it up on my DX9 transmitter. Unfortunately, my arthritic fingers make it very difficult to measure control throws in mm per the suggested rates in the manual. Does any one have the manual's suggested rates in Spektrum %'s for aileron, elevator, rudder and flaps? Thanks in advance for any help.

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                                      • Denniswpb
                                        Hobby Squawk Pilot

                                        • Dec 2017
                                        • 131
                                        • Rock Hill, SC
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                                        #239
                                        Click image for larger version

Name:	Yellow Otter Paint.jpg
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ID:	416619 Here is a color match paint from Home Depot. When it dries, it's pretty close

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                                        • BobbyJackT
                                          DHC-6 Twin Otter Enthusiast
                                          • Apr 2025
                                          • 1
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                                          #240
                                          What size thread are the servo pushrods the kit comes with? I am going to upgrade to ball link linkages. Additionally, did yall use the nylon servo horns or were you able to find metal ones that fit?

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