Roban - World Class Scale Helicopters

Official FlightLine 1600mm B-25J Mitchell PNP Thread

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  • Enzo_K
    Member

    • Nov 2020
    • 64
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    #521
    duplicate post deleted.

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    • Enzo_K
      Member

      • Nov 2020
      • 64
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      #522
      Originally posted by Gilatrout

      The one and only time I had any gatoring out of the box was due to exposure to heat during transportation. Not a whole lot Motion can do to control where the container is located or how it is stored. This container also spent a lot of time sitting in the yard probably under full sun waiting for customs to do its thing. So not surprising there was some minor gatoring.
      You can check my post https://www.hobbysquawk.com/forum/rc...301#post388301 It explains why this "gatoring" is not caused by sitting on the ground at the US customs. It also explains how I narrow it down to sea transfer which MRC hires.

      Since MRC hired the carrier. Maybe they should choose a better freight company.

      While you got your B25 looking fairly decent, we did not. If you've checked my post 466. I think you would agree those are not minor gatoring.​

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      • Fast N Light
        Member

        • Apr 2021
        • 111
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        #523
        Originally posted by zorkahn
        I've ordered the B-25 nomenclature from Callie Graphics. Has anyone found a good guide for placement for the nomenclature?
        Any luck tracking down a placement guide? In the same boat as you..

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        • Fast N Light
          Member

          • Apr 2021
          • 111
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          #524
          Originally posted by Elbee

          FL, Give me until tomorrow morning, I have it in a PDF. I will post it here. Best, LB
          Thanks LB

          Callie sent me a .PDF shortly after I requested it from her. She's the best!

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          • Arkariansoong
            Member
            • Nov 2022
            • 2
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            #525
            Can someone post the ESC programming and calibration sheet? My was destroyed by the glue bottle being punctured by one of the screws,
            Thanks!

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            • zorkahn
              Warbird Pilot

              • Dec 2016
              • 47
              • Urbana, Illinois
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              #526
              Originally posted by Fast N Light

              Any luck tracking down a placement guide? In the same boat as you..

              Attached is the PDF for the placement guide. It can be hard to read the small print, so start with the larger decals and work your way to the smaller ones be the process of elimination. B-25 Nomenclature.pdf

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              • Waynec53
                Member
                • Aug 2023
                • 2
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                #527
                Finally was able to put my B-25 together. Applied the decals, 4 coats of minwax poly, setup with ar8360 receiver and using an NX10. Everything adjusted and checked out, decided to do some taxi tests outside the garage. All was good tracked straight, then on taxi back in the right motor started making noise, stopped turning and started beeping. Unplugged battery and carried in to workbench. Plugged back in, motor turned normally initially, THEN the magic smoke started pouring outa the nacelle. Immediately disconnected battery.
                Results after disassembly was the ESC completely fried, the wires to the motor disconnected from board, suspect the heat melted the solder. Motor looks ok and turns by hand, but is blackened not sure if something wrong internally or the heat or smoke from the esc did it.
                work ticket sent to motionRC, now I wait,,,,,,,,,,,,,,,,,
                Attached Files

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                • ajmillersr@aol.com
                  Member AJ
                  • Sep 2023
                  • 4
                  • The Villages FL
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                  #528
                  Had same thing with mine while set up tx. This is third one that I have heard of. MRC took care of problem but have to wonder if all 3 ESC's where the same (50A wo/UBEC). All 3 were right motor/ESC. Good luck getting resolved.

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                  • Fast N Light
                    Member

                    • Apr 2021
                    • 111
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                    #529
                    Originally posted by ajmillersr@aol.com
                    Had same thing with mine while set up tx. This is third one that I have heard of. MRC took care of problem but have to wonder if all 3 ESC's where the same (50A wo/UBEC). All 3 were right motor/ESC. Good luck getting resolved.
                    All three incidents occurred during initial ground testing? Prior to any flight time?

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                    • ajmillersr@aol.com
                      Member AJ
                      • Sep 2023
                      • 4
                      • The Villages FL
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                      #530
                      Mine did. never had throttle more than 30% Not sure on the other one. Pic's look same as yours

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                      • Jdcrow
                        Member

                        • Mar 2019
                        • 193
                        • Bentonville AR
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                        #531
                        Fast N Light Pulled the factory front tire off the stock wheel (same process as Ive done with the Freewing Mains), and mounted her on the narrow G-18 3DP front wheel. Got some nice flights in off grass with all three wheels now on the plane. Looks great, performs great, and holding up great. Printed with Bambu labs ASA filament.

                        A lot less expensive option than the Robart Tire. For about $10 get a set of replacement wheels from Motion RC and some dissection, glue and you are looking scale.
                        Attached Files

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                        • Fast N Light
                          Member

                          • Apr 2021
                          • 111
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                          #532
                          Originally posted by Jdcrow
                          Fast N Light Pulled the factory front tire off the stock wheel (same process as Ive done with the Freewing Mains), and mounted her on the narrow G-18 3DP front wheel. Got some nice flights in off grass with all three wheels now on the plane. Looks great, performs great, and holding up great. Printed with Bambu labs ASA filament.

                          A lot less expensive option than the Robart Tire. For about $10 get a set of replacement wheels from Motion RC and some dissection, glue and you are looking scale.
                          She looks great! Happy those are working well

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                          • LucB
                            Member

                            • Jan 2019
                            • 23
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                            #533
                            Originally posted by ajmillersr@aol.com
                            Mine did. never had throttle more than 30% Not sure on the other one. Pic's look same as yours
                            See my post #369. It happened to me, on bench setup, after 7 short flights. MRC (EU) did not recognize it was a faulty ESC because "they were not there to witness what happened" and I could not prove it was not my fault, so no warranty (despite the EU regulation explicitely mention the seller has to prove the faulty usage within the first 6 months). However, they provided me with a gift card. I could replace the motor, the ESC and plastic cover. But not the damaged nacelle (and I didn' t want to buy 2 nacelles when only one was impacted). The plane is ready to fly again but now I have one motor doing a strange noise at startup... like previously the right one before I got fire... Throttle stick is calibrated and both ESC too. I have to recheck one by one to identify which motor is noisy. In any case, next time I go flying, I will have an extinguisher ready too.
                            And I found why I could not setup the ESC... My receiver channel on which the "faulty" ESC was connected, died, I assume due the ESC incident as it was working perfectly before.

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                            • ajmillersr@aol.com
                              Member AJ
                              • Sep 2023
                              • 4
                              • The Villages FL
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                              #534
                              Originally posted by LucB

                              See my post #369. It happened to me, on bench setup, after 7 short flights. MRC (EU) did not recognize it was a faulty ESC because "they were not there to witness what happened" and I could not prove it was not my fault, so no warranty (despite the EU regulation explicitely mention the seller has to prove the faulty usage within the first 6 months). However, they provided me with a gift card. I could replace the motor, the ESC and plastic cover. But not the damaged nacelle (and I didn' t want to buy 2 nacelles when only one was impacted). The plane is ready to fly again but now I have one motor doing a strange noise at startup... like previously the right one before I got fire... Throttle stick is calibrated and both ESC too. I have to recheck one by one to identify which motor is noisy. In any case, next time I go flying, I will have an extinguisher ready too.
                              And I found why I could not setup the ESC... My receiver channel on which the "faulty" ESC was connected, died, I assume due the ESC incident as it was working perfectly before.
                              I had same problem with receiver channel. Both motors/ESC were replaced. Did taxi tests at full power other day and will do power test to see if ESC can handle power. Do not trust ESC's so will most likely change both to be on safe side.

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                              • Hiflyer

                                • Feb 2016
                                • 27
                                • Smyrna, TN
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                                #535
                                Finally got a chance to take some inflight shots of my Apache Princess B-25. Graphics are from Callie.

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                                • Elbee
                                  Be humble...be approachable...and be credible.

                                  • Feb 2018
                                  • 4823
                                  • Wichita, Kansas
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                                  #536
                                  Originally posted by Hiflyer
                                  Finally got a chance to take some inflight shots of my Apache Princess B-25. Graphics are from Callie.
                                  HF, love that livery, love that airframe, and sooper-dooper photos. All very nicely done, Sir. Best, LB
                                  "I am having an extraordinary ordinary life."
                                  ~Lucky B*st*rd~

                                  "Find satisfaction in the process rather than an outcome."
                                  ~Anonymous~

                                  AMA#116446

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                                  • Yellowred
                                    Member

                                    • Apr 2019
                                    • 39
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                                    #537
                                    Hi guys, I do fancy a B25, any of you fly off grass and how much does it slow down for landing as our club strip only around 50mtrs, Thanks

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                                    • rlcamden
                                      Member

                                      • May 2017
                                      • 112
                                      • Lansing, KS
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                                      #538
                                      Handles it well. Only issue is the props tend to cut grass if it is not a well-manicured field. No flaps it jumps up pretty quick. Take off flaps is even quicker. With full flaps during landing, it lands slow with little roll out.

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                                      • Yellowred
                                        Member

                                        • Apr 2019
                                        • 39
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                                        #539
                                        Many Thanks

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                                        • Harman
                                          Member
                                          • Dec 2023
                                          • 1
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                                          #540
                                          This is by far the best B-25 ever to come out but why has this post dried up.

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