Callie Graphics

Official Freewing Twin 70mm AL37 Airliner Thread

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  • lusek_pl
    Member

    • Sep 2020
    • 49
    • Polska
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    #2381
    Originally posted by f4u ausie

    More like 3 inches i added wood at back,, flys well and is on fact cg.. i asked questions also b4 first flight u can c extra wood at back Click image for larger version

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    Thank you very much. It's more or less the same as I expected, I'm asking because it swings from side to side when takeoff, I thought it was too heavy for the tail...

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    • f4u ausie
      Senior Member

      • Dec 2019
      • 1228
      • Melbourne
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      #2382
      U need as much rudder gyro as u can watch the vids they nearly all do that

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      • Nino
        Member

        • Jul 2017
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        #2383
        Flaps servos all failed. After landing noticed flaps failed to retract or extend. Noticed flap short of some sort had to placed all 4 flaps servos.

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        • pit47l00p@mozmail.com
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          • Jul 2024
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          #2384
          How much lift can the airliner generate? What is theweight of plane except with batteries? I was planning on buying 22000mAh battery which weighs 2.5kg. Can it lift it along with a gyro?

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          • pit47l00p@mozmail.com
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            • Jul 2024
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            #2385
            How much lift can the airliner generate? What is the weight of plane except with batteries? I was planning on buying 22000mAh battery which weighs 2.5kg. Can it lift it along with a gyro?

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            • Evan D
              I'll fly anything

              • Jan 2016
              • 5385
              • Charlotte
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              #2386
              Yes and the gyro is trivial.

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              • lusek_pl
                Member

                • Sep 2020
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                #2387
                Originally posted by pit47l00p@mozmail.com
                How much lift can the airliner generate? What is the weight of plane except with batteries? I was planning on buying 22000mAh battery which weighs 2.5kg. Can it lift it along with a gyro?
                In my opinion, it won't work... This plane doesn't fly like a real one. He is fast and needs speed all the time, especially in corners. High weight with such a small supporting surface of the wings will cause problems.

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                • pit47l00p@mozmail.com
                  Member
                  • Jul 2024
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                  #2388
                  Originally posted by lusek_pl
                  In my opinion, it won't work... This plane doesn't fly like a real one. He is fast and needs speed all the time, especially in corners. High weight with such a small supporting surface of the wings will cause problems.
                  What about a 2kg battery with 18000mAh

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                  • f4u ausie
                    Senior Member

                    • Dec 2019
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                    #2389
                    Originally posted by lusek_pl
                    In my opinion, it won't work... This plane doesn't fly like a real one. He is fast and needs speed all the time, especially in corners. High weight with such a small supporting surface of the wings will cause problems.
                    I agree lusec ive been thinking about 2 4000 mah,, for an 8000 capacity,, (currently running 6000) and have been nervous about a 250 gram weight increase..... have not come close to tip stall,, but am on the power in turns..... so 2 or 2.5 kg seems heavy..

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                    • pit47l00p@mozmail.com
                      Member
                      • Jul 2024
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                      #2390
                      For how long can it fly 100% throttle all the way long with 6S 6000mAh Lipo and 8000mAh lipo?

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                      • f4u ausie
                        Senior Member

                        • Dec 2019
                        • 1228
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                        #2391
                        Did say thinking about... ( Will do it) but based on 3 minuts for 6000 mah.. i beleive 4 minuts for an 8000 mah.. 33 percent increase. Any business would luv that flying my f4 for 3 then 4 minuts was huge increase why 100 pcennt throttle? 80 or 90 keeps esc etc way cooler

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                        • Scots_rubz
                          Aeromodeller
                          • Sep 2023
                          • 38
                          • Uk
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                          #2392
                          Afternoon all,

                          the airframe i have i bought used. I have notice the join on the fuselage is starting to open ever so slightly at the top and don't want to re-paint and then have the tail section disconnect

                          what is the best way to repair this? Epoxy rods in to cut out slots on the external join then filler to hide?

                          Thanks all,

                          SR.

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                          • f4u ausie
                            Senior Member

                            • Dec 2019
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                            #2393
                            Many ways im sure... mine was painted first ,, not enuf research first.. but i used a soldering iron to put (Melt) small groove, around 6 inches long on the to join and epoy in place... noo filler req jjust bit more red paint u can c it in batt placemen t pic 2381

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                            • Scots_rubz
                              Aeromodeller
                              • Sep 2023
                              • 38
                              • Uk
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                              #2394
                              Originally posted by f4u ausie
                              Many ways im sure... mine was painted first ,, not enuf research first.. but i used a soldering iron to put (Melt) small groove, around 6 inches long on the to join and epoy in place... noo filler req jjust bit more red paint u can c it in batt placemen t pic 2381
                              thanks. Least i know someone else has had to sort this issue.

                              trying to strengthen the join internally might be another option if i can reach in far enough.

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                              • f4u ausie
                                Senior Member

                                • Dec 2019
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                                • Melbourne
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                                #2395
                                Originally posted by Scots_rubz

                                thanks. Least i know someone else has had to sort this issue.

                                trying to strengthen the join internally might be another option if i can reach in far enough.
                                Ye i tried that cause was already painted, but found it hard to get in and under there

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                                • Bailinout
                                  Member
                                  • Feb 2022
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                                  #2396
                                  Greetings all, have a question. Has anyone totally glasses a AL 37 and if so did it effect flight weight to the point where the aircraft becomes something really super cool to hang from the ceiling? Reason being I'm doing a Southwest livery (all painted) and just sanding off the little mold markings I've gouged the foam with just the corner of the sand paper and also as others have stated the paint pulls off in some places. I'm thinking about using 3/4 oz fiberglass cloth and polyurethane. Any advice would be greatly appreciated.

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                                  • Bailinout
                                    Member
                                    • Feb 2022
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                                    #2397
                                    Correction, polycrylic, not polyurethane. Sorry.

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                                    • cwatkins
                                      Member
                                      • Sep 2024
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                                      #2398
                                      All who have added reversing ESCs... anyone have any issues with it, long term? Impeller unscrewing or anything? Thinking about installing a pair of Hobbywing Skywalker 80a v2 and just thought I'd ask :)

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                                      • cwatkins
                                        Member
                                        • Sep 2024
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                                        #2399
                                        Also, anyone who has installed graphics where you have to wrap a piece from the belly to the tail, were you able to do that without cutting, or having wrinkles? Any tips you want to share? I'm psyching myself out thinking about laying this on at the angle it needs to go on, having to deal with three different curves, trying to have stripes match with the vertical fin stripes, etc... Thinking big decals like the Southwest tail bits, for instance.

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                                        • f4u ausie
                                          Senior Member

                                          • Dec 2019
                                          • 1228
                                          • Melbourne
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                                          #2400
                                          Mine was hand painted. Unfortunately it's somewhere in foam heaven after 30 odd flights. Lost signal.. don't ya just hate that

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