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  • 14/10/2017

    I use this upgrade on a Devil 420 with ALZRC 3x 380mm Blades, it works great, tail and motor pulley is the original of Devil 420, stands well in the air. super upgrade

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  • 26/07/2021

    exelent upgrade for devil 420

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  • 16/04/2017

    I put this on my Goblin 380, replacing the twin blade rotor head. I presume they provided the motor pulley, and tail rotor pulley to alter the stock ratio. The stock motor pulley was 22 teeth. The one provide in this kit is 20 teeth, which reduces the stock head speed by about 9%, presumably because this head provides a lot more lift at lower head speeds. I didn't mount the tail rotor pulley, as the FBL controller will automatically adapt to keep the aircraft from losing yaw authority. I could not find my blade angle meter, so I am waiting for a replacement. Will update this review as I set the head for flight, and run through the FBL settings (Icon) for the new setup. Then, a test flight :)

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  • 03/10/2019

    De TBR kop is net binnen gekomen,kwaliteit zeer goed erg blij mee. De levering was echt zeer snel,ik ga er snel mee aan de gang ben zeer benieuwd.

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  • 15/03/2019

    muy bien hecho, buena calidad!

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  • 19/07/2018

    but dont ship that via DHL horrible taxtes make that al least not so cheap

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  • 06/07/2017

    It took me less than 2 hours to properly installed. Looks awesome, can't wait to test it tomorrow.

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  • 05/03/2017


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  • 08/11/2020

    Offers more cyclic reactivity than the bipal.

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  • 17/07/2020


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