40" Sukhoi Su-47 Berkut Golden Eagle EPS Twin EDF RC Jet (Russian: Су-47 Беркут - Golden Eagle)

(NATO reporting name Firkin), also designated S-32 and S-37

A distinguishing feature of the aircraft was its forward-swept wing that gave the aircraft excellent agility and maneuverability. While serial production of the type never materialized, the sole aircraft produced served as a technology demonstrator prototype for a number of advanced techhnologies later used in the 4.5 generation fighter SU-35BM and current 5th generation fighter prototype Sukhoi PAK FA. The Sukhoi Su-47 Berkut Golden Eagle was originally known as the S-37, Sukhoi redesignated its advanced test aircraft as the Su-47 in 2002. Officially nicknamed Berkut (Golden Eagle), the Su-47 was originally built as Russia's principal testbed for composite materials and sophisticated fly-by-wire control systems.

The Su-47 has extremely high agility at subsonic speeds, enabling the aircraft to alter its angle of attack and its flight path very quickly while retaining maneuverability in supersonic flight. The Su-47 has a maximum speed of Mach 1.6 at high altitudes and a 9g capability. The forward-swept midwing gives the unconventional (and characteristic) appearance of the Su-47, earning it the nickname of 'devil' and 'slingshot'. A substantial part of the lift generated by the forward-swept wing occurs at the inner portion of the wingspan. The lift is not restricted by wingtip stall. The ailerons - the wing's control surfaces - remain effective at the highest angles of attack, and controllability of the aircraft is retained even in the event of airflow separating from the remainder of the wings' surface.

The forward-swept midwing gives the unconventional (and characteristic) appearance of the Su-47, earning it the nickname of 'devil' and 'slingshot'. A substantial part of the lift generated by the forward-swept wing occurs at the inner portion of the wingspan. The lift is not restricted by wingtip stall. The ailerons - the wing's control surfaces - remain effective at the highest angles of attack, and controllability of the aircraft is retained even in the event of airflow separating from the remainder of the wings' surface.

Specifications:

Length:1024mm *Wing Span:750mm *Wing Area:12.7dm2 *Flying Weight:700g *Wing Loading:55 g / dm2 *Power System:twin EDF55 with brushless motor *Battery and charger:2200mAh3s 20c with smart simple charger *Servo:9g Servo 3pics *Electronic Speed Controller:twin 20A ESC *Receiver:6channel *Transmitter:4channel with mix function

Features:

Full aerobatic characteristics; inside loops, outside loops, axial rolls, inverted flight, knife edge, stall turns, hammerheads, and spins are possible. The wing and body used in this jet are specially designed to allow high G maneuvers, yet the wing loading is still very low. 2 Powerful 70 mm twin ducted fans with brushless motors makes it possible to fly this plane at high speed in the situations with much wind. Steerable nose landing gear. Electric retract system. Rudder helps steer plane on ground on its scale landing gear for easy take off. Super tough, lightweight airframe! Perfect appearance and emulation (Scale appearance, great attention has been given to details). Excellent Flight Performance Stable inverted flight. Fabricated by accurate molds with high fidelity of real airplane. One of the Best Looking Jet in the market. Excellent stability and aerobatic capability Detailed Body Structure. High roll rate. Digital Proportional Motor Speed Control. Slow Speed Flying Capable. Suitable for intermediate to experienced pilots.

Complete RFT Package Includes:

Airplane (90% assembled, all electronic components are installed) Retracts Parachute English Manual. Control system: 6 CH Multi 2.4g Radio Transmitter and 6 CH Micro Receiver. 6 Cell Lipo Battery 3600 - 4000mAh.  Battery charger. LX Models 2100KV  with 4.0mm shafts. Servos 14X 9g             

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