NRJ F3K Strong Textreme Neon Orange/White/Carbon

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$ 689.99 $ 769.99
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NRJ F3K Strong Textreme Neon Orange/White/Carbon

Wing- 109 grams, Fuse-39 grams


The NRJ is a new competition model, built by OA Composites, (Anton Ovcharenko and his team), from Ukraine, designed by Christophe Bourdon from France. The multi-national team has put it's over 10 years experience into the design and development of the NRJ. 

Reaching the excellence in a DLG concept is for our actual times very difficult if one wants to be original and durable on this sensible market. Our goal was to put in the project all the best choices for aerodynamics, for handling, flight abilities using the actual best technology and building skills. There is more to discover yet, but for now, here is a bird that we are proud to present :

The NRJ F3K 

Its characteristics are :
19 dm², Aspect ratio of 11.9 , 150mm root chord and an average chord of 130mm, which allows a good cruise speed and a a good L/D. The main difficulty about this type of design is to keep the wing performance at slow speed and High AOA. The wing has been developed specifically to address this issue. 

The airfoil series is going from 6% to 5.2%, keeping a reasonable camber and a good elliptical lift management along the wingspan ( without tip twisting ) . Chris made the choice to keep good acceleration characteristics and the average momentum of wing reasonably low and smooth to give to the model an easy speed-changing and a global ease, very appreciated in uncertain flight situations.

The good dyhedral allows small inputs on the radio sticks to keep the circle while thermalling , with the minimum drag.
The special tip shapes are wanted to mark a different style during flight and to make the model more recognizable.
Launch abilities are up in the modern ranking, our small 4 in nose thin fuselage will help in low drag and speed flight modes.

The RTF weight would start from 190 gr for light version , giving the possibilities of great minimum sink rate flights, 210 gr for the standard version, (Textreme 60gr!!) and to something like 230 gr for the strongest layup.
After the first months of tests, first impressions are impressive, easy tuning, great handling and L/D, great in slow speed situations, wide speed range and abilities to fly in first m/s wind without ballast keeping its 'energy'.

The NRJ features a unique 3D printed "4 in the pod" servo mount that is included with each kit. KST X08 servos are required to mount in servo tray. 

Available layups are:
Light-cw20 or cw30 spread tow
Standard-cw40 spread tow
Strong-cw60 or textreme 60

All models are solid cnc foam core wings and tails featuring - CASCELL® IH



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