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Official Freewing Twin 70mm AL37 Airliner Thread

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  • Originally posted by GliderGuy View Post

    Hi Mike,
    The glue supplied with the kit is OK. Or use Foam-Tac. Two important things:
    1) Score the joining faces with a razor knife tip.
    2) Insert a couple of short carbon rods or tubes into holes that you drill into the fuse halves….about 3 in long each.

    If you call top dead center 0 degrees as reference, put a short rod at each 45 degree clockwise and counter clockwise point as measured to the 0 ref point. Careful to drill parallel to the fuselage sides….don’t poke the drill out the side.

    Insert this carbon and you won’t have any separation problems. These tubes or rods supply additional support to the rods/tubes already in the kit.

    -GG
    Awesome thank you, once I join the fuse I can then take measurement and start cutting my custom vinyl for the livery scheme.

    Thanks once again.

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    • Originally posted by Skeley68 View Post

      Awesome thank you, once I join the fuse I can then take measurement and start cutting my custom vinyl for the livery scheme.

      Thanks once again.
      A few more tips….
      1) Install a gyro to avoid the yaw wiggle. A gyro REALLY makes this a nice flying bird. 50 to 60 percent gain for starters.
      2) Never fly with just one winglet on. The induced roll is A LOT!!!!
      3) She flies fine w/o the winglets.
      4) 1/2 flap for take-off and full flap with a touch of power for the landings.
      5) Upon reaching full throttle, the nose will rise up and she lifts off. Super simple take-off.
      6) Don’t get too slow on final. She’s not a floater unless you leave a touch of power on.
      7) Install RF chokes. Put chokes or RF chokes in the forum search window….read and LEARN! Amazon has them.
      8) For good measure, I put a small choke on the elevator and rudder wires way back in the tail by those servos.
      9) Some have added bearing sleeves into the wheel hubs to avoid hearing the baby-coach wheel sounds.
      10) Fly at half power or the batteries and connectors get HOT!
      11) And last….I added carbon tubes into the wiring channel of each wing. Glue them to the top skin inside the channel. It helps to keep the top skin from cracking.

      -GG

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      • Originally posted by jetpltrich View Post
        Maybe a deacl that wraps into the well could be done. COuld color something in there but it would look ugly if I do it, I see alot of part in that well that we repair. Skydrol is a nasty fluid.

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        • Maybe a deacl that wraps into the well could be done. COuld color something in there but it would look ugly if I do it, I see alot of part in that well that we repair. Skydrol is a nasty fluid.
          As an F/O I ruined many a shirt on the preflight getting into that wheel well, it’s a pretty dirty place. I took that video during one of the rare times I’ve done a preflight in the past 15 years. To this day I marvel at all the junk in there.

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          • Post no longer needed. Thanks to mods.

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            • Does the AL 37 Airliner require revers Motors or just revers 12 blade props?
              And if so what side has the revers motor or prop? Thank you for any info you can share with me.​

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              • Originally posted by wstimax View Post
                Does the AL 37 Airliner require revers Motors or just revers 12 blade props?
                And if so what side has the revers motor or prop? Thank you for any info you can share with me.​
                Both. Having just reverse fan won't do anything except blow air out the front (think about it). The motor must also go in reverse. However, you don't need a special "reverse" motor to do it. You just swap two of the 3 motor wires to make it turn the other way.
                Although it doesn't matter which goes on which side, I believe they come with fans turning such that the top of the fan goes toward the fuselage.

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                • Thank you. I was given a a37 That a retired Rc hobby guy had and used for parts after rebuilding it All seems well Including pressure coming out the rear but for some reason no matter how hard i pull it to the right it pulls itself to the left and if i just throttle up with no steering it will go in circles. And as you can understand until i correct this it will never take off for Maden Flight. Any ideals would be appreciated.

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                  • Originally posted by wstimax View Post
                    Thank you. I was given a a37 That a retired Rc hobby guy had and used for parts after rebuilding it All seems well Including pressure coming out the rear but for some reason no matter how hard i pull it to the right it pulls itself to the left and if i just throttle up with no steering it will go in circles. And as you can understand until i correct this it will never take off for Maden Flight. Any ideals would be appreciated.
                    It seems to me that one of your motors is running in the wrong direction. Both sides should have thrust coming out the back. If one is pushing air out the front, you have to switch 2 of the 3 motor wires on that side. You can see these 3 wires where you connect the wing to the fuselage. Once you get it correct, label them so you know how they go next time you put the plane together.
                    However, if you have air coming out the back end of each engine, and it still goes in circles when you throttle up, now you need to determine if one side is stronger than the other. If this is the case, you must do a throttle calibration so both sides run exactly the same. After you do the throttle calibration and still does it, then I would suggest that one EDF has been damaged and is not producing as much thrust as it should. If this is the case, then you need to replace it with the appropriate EDF. In case both sides has been damaged, best to replace both.

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                    • Thanks so much for all your help.

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