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Roban B212 Civilian heli 600 size

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  • #61
    Click image for larger version

Name:	51CE7276-7FDD-4AAD-A507-E83AD43CBBC1.png
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Size:	593.2 KB
ID:	327825 A dusk flight in the fall
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    • #62
      ......

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      • #63
        Looks good! If the tail drive shaft is still free floating, w/o a upper bushing you're only one tiny slip away from breaking the tail drive shaft again. I'm machining my own bushing. Got the bearing bronze in today. SCREW MOTIONRC!!!!

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        • #64
          Originally posted by Gmack908 View Post
          Here’s a video of my B212 in flight. https://youtu.be/MsOSAVZFc5U
          Sweet, sounds great, nice scale flying too. Now get that green 800 size Huey to build and join the big boys......

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          • #65
            Originally posted by DCORSAIR View Post

            Sweet, sounds great, nice scale flying too. Now get that green 800 size Huey to build...
            Thanks man! Will let you know when I receive it! 🍻

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            • #66
              What makes the metal tail gears better than the much to heavy pvc gears delivered in the kit ? , the pvc gears are made for heavy duty 3D flying and must be strong enough to last on a lower rpm scale helicopter ,and it makes the tail so heavy.
              I also like to know if anyone have used 700 blades on this model and if it wil flying as nice as I hope, I wil try asymmetrical Spinblades on it .
              also I wil move the tail to the mechanics frame to reduce weight of the tail and wil use ball bearing levers on it, see pictures

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              • #67
                The pictures of my 212 building
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                • #68
                  Originally posted by Helikapoter View Post
                  What makes the metal tail gears better than the much to heavy pvc gears delivered in the kit ? , the pvc gears are made for heavy duty 3D flying and must be strong enough to last on a lower rpm scale helicopter ,and it makes the tail so heavy.
                  I also like to know if anyone have used 700 blades on this model and if it wil flying as nice as I hope, I wil try asymmetrical Spinblades on it .
                  also I wil move the tail to the mechanics frame to reduce weight of the tail and wil use ball bearing levers on it, see pictures
                  I used the stock plastic gears on my tail. As you said, they are designed for 3D flying, so they are more than adequate for our purposes. I like your idea of bring the tail servo forward. I would closely monitor the tail gear arrangement in your 2nd picture, where you used a stock metal gear meshing with an Align plastic gear for the torque tube drive. I'm worried that the metal gear will wear through the plastic gear at an accelerated rate. It might be ok, but check on it when you are test flying the mechanics and please report your findings. If it does work well, it might help extend the life of the Roban metal gears and eliminate the need for lubrication at these points.

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