Official Freewing 80mm MiG-21 Fishbed Thread

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  • jay bennett
    Member

    • Apr 2017
    • 33
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    #241
    packs are nano techs brand new for this model 45-90c, they get a little warm but nothing more, I have a esc from my stinger would it be worth swapping it for the one in the mig? I have a watt meter on order so this should help find the problem hopefully, the brake is not on. I have reset the esc with the throttle stick when the first two bleeps are heard but this has not changed anything.

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    • jay bennett
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      • Apr 2017
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      #242
      any links the the manual please

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      • bill34207
        Jet Junkie

        • Nov 2016
        • 455
        • Bradenton, Florida
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        #243
        Originally posted by jay bennett
        any links the the manual please


        My YouTube Videos https://www.youtube.com/channel/UCrz...4Q-xrOOtP2C-8w

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        • jay bennett
          Member

          • Apr 2017
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          #244
          thank you
          it seems that the esc comes with the timing in low setting will try changing to high

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          • jay bennett
            Member

            • Apr 2017
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            #245
            timing set to high but no change, will the freewing inrunner give me more power? if so how much it seems very close to the out runner specs.

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            • gooniac33
              The Original Gooniac

              • Jun 2016
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              #246
              Originally posted by jay bennett
              timing set to high but no change, will the freewing inrunner give me more power? if so how much it seems very close to the out runner specs.
              timing set to high will just draw more amps. You will not get any extra performance that you will notice. Low timing is best for outrunner or inrunner. I use the inrunner set up on mine and it works great on low timing. My buddies use low timing on their outrunners with great results too
              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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              • crxmanpat
                Certified Foam Abuser

                • Oct 2014
                • 2464
                • Crawfordville, FL
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                #247
                Jay,

                Did you calibrate your ESC initially? Radio on, throttle to max, plug in battery, wait for the two beeps, throttle off. This should set the throttle end points between the ESC and your radio. Maybe you're not seeing full throttle?
                Pat

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                • gooniac33
                  The Original Gooniac

                  • Jun 2016
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                  #248
                  Originally posted by crxmanpat
                  Jay,

                  Did you calibrate your ESC initially? Radio on, throttle to max, plug in battery, wait for the two beeps, throttle off. This should set the throttle end points between the ESC and your radio. Maybe you're not seeing full throttle?
                  That is a good point... didn't think of that..... yes that could do it as well
                  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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                  • gooniac33
                    The Original Gooniac

                    • Jun 2016
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                    #249
                    So I didn't fly my Mig this weekend but my buddies did while I flew other planes... I am bummed too because the coolest flight where my buddy was hovering his Mig and I was doing big barrel rolls around him....



                    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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                    • jay bennett
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                      • Apr 2017
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                      #250
                      will change to low timing and see if that helps, I have set the power with the three beeps do I need to have trim centred or all up or down?

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                      • bill34207
                        Jet Junkie

                        • Nov 2016
                        • 455
                        • Bradenton, Florida
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                        #251
                        Originally posted by jay bennett
                        will change to low timing and see if that helps, I have set the power with the three beeps do I need to have trim centred or all up or down?
                        Pat made a very good point that I forgot to mention. (just assumed that everyone knew it) Setting end point calibration is very important.
                        I typically do mine with throttle trim in the middle. Power on the TX, move throttle to full. Plug in the flight battery and when it beeps twice pull the throttle back to the bottom. Operation completed.
                        My YouTube Videos https://www.youtube.com/channel/UCrz...4Q-xrOOtP2C-8w

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                        • jay bennett
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                          • Apr 2017
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                          #252
                          well I have tested it on a new watt meter and it is pulling just over 100 amps on fresh packs and holds 94 amps, but it is not as fast as my stinger 90 and will not pull a loop without a run up so I guess I will have to get used to it or upgrade the power system when I get board of it, a bit disappointed as 80mm upgrades are hard to find. but you live and learn. waiting for the a10 now, many thanks for all the help

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                          • jay bennett
                            Member

                            • Apr 2017
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                            #253
                            anyone upgraded their mig 21 motor? is there a motor for the 80mm fan unit?

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                            • bill34207
                              Jet Junkie

                              • Nov 2016
                              • 455
                              • Bradenton, Florida
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                              #254
                              Originally posted by jay bennett
                              well I have tested it on a new watt meter and it is pulling just over 100 amps on fresh packs and holds 94 amps, but it is not as fast as my stinger 90 and will not pull a loop without a run up so I guess I will have to get used to it or upgrade the power system when I get board of it, a bit disappointed as 80mm upgrades are hard to find. but you live and learn. waiting for the a10 now, many thanks for all the help
                              Something is wrong somewhere. My Mig will out climb my old Stinger 90 from a low throttle level flight punch to full and pull elevator every time. They do offer a higher KV inrunner version but it's currently out of stock. https://www.motionrc.com/collections...20kv-in-runner
                              My YouTube Videos https://www.youtube.com/channel/UCrz...4Q-xrOOtP2C-8w

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                              • gooniac33
                                The Original Gooniac

                                • Jun 2016
                                • 1047
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                                #255
                                Originally posted by jay bennett
                                well I have tested it on a new watt meter and it is pulling just over 100 amps on fresh packs and holds 94 amps, but it is not as fast as my stinger 90 and will not pull a loop without a run up so I guess I will have to get used to it or upgrade the power system when I get board of it, a bit disappointed as 80mm upgrades are hard to find. but you live and learn. waiting for the a10 now, many thanks for all the help
                                Something just sounds off about this whole thing. This is an EDF that does not fly like a prop plane... but still this bird is very clean and quick! If you take off and constantly keep the nose up the plane will never pick up speed. You must let it get some speed built up. I was able to get a good deal on the 1820kv inrunner set up and use that now but it is only slightly better than the stock outrunner set up. My friends fly theirs on the stock outrunner set up and the plane is still a missile. I have a slightly higher top speed but the climb is about the same. Can you take a video of the plane flying?
                                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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                                • jay bennett
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                                  • Apr 2017
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                                  #256
                                  i will try and get a video, there is one on you tube already but the plane is hard to see as it was shot with a small camera, did you fuel tanks make any difference to the top speed or take off distance? I have flown turbines for a number of year so edf is not that new or different to me but I will get it solved, I was going to check the fan unit and motor this weekend in case there is something wrong I cannot see

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                                  • bill34207
                                    Jet Junkie

                                    • Nov 2016
                                    • 455
                                    • Bradenton, Florida
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                                    #257
                                    If you are flying with the tanks that may make up a lot of what you are experiencing. They add considerable drag.
                                    My YouTube Videos https://www.youtube.com/channel/UCrz...4Q-xrOOtP2C-8w

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                                    • gooniac33
                                      The Original Gooniac

                                      • Jun 2016
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                                      #258
                                      Originally posted by jay bennett
                                      i will try and get a video, there is one on you tube already but the plane is hard to see as it was shot with a small camera, did you fuel tanks make any difference to the top speed or take off distance? I have flown turbines for a number of year so edf is not that new or different to me but I will get it solved, I was going to check the fan unit and motor this weekend in case there is something wrong I cannot see
                                      ok that makes sense. the tanks will make it a lil slower. I fly without them. Also make sure that there is nothing getting in the way of the exhaust. If there is you will use all those amps up but not get the thrust you need...
                                      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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                                      • bruceW
                                        Hobby Squawk Student Pilot

                                        • Dec 2016
                                        • 11
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                                        #259
                                        There is an FMS 3270-KV2000 inrunner that is lighter than the Freewing 1800KV. But it has a plastic shell with 2 raised ribs around it,just grind them down with a Dremel or something handy.It is shorter also which makes it easier to fit.The mount on the FMS is just fore or aft a tad..no problem to mount at all.

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                                        • bruceW
                                          Hobby Squawk Student Pilot

                                          • Dec 2016
                                          • 11
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                                          #260
                                          Forgot to mention that the FMS front cone has to be reduced a bit on the OD to make fitment better..don't ask if it has more getty-up ...I like to tinker ...too chicken to fly an EDF

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