Freewing’s longest model aircraft. Its removable wings, horizontal stabilizer, and vertical stabilizer make transport very easy. Even the nose cone and pitot tube are removable! Freewing has recreated many scale details of the MiG-21 “MF” variant, and the aircraft is powered by an 80mm 12-blade EDF and an all-new 3530-1800KV out- runner motor and 100A ESC.
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Standard Version Wingloading:123g/dm Motor:3530-1800KV outrunner motor Fan:80mm 12-Blade fans ESC:100A UBEC 5A Servos:9g Digital MG (8pcs) (W/O battery) Weight:2180g Thrust:3000g 比例 1.000 Upgrade Version Wingloading:125g/dm Motor:3658-1820KV inrunner motor Fan:80mm 12-Blade fans 1730mm ESC:100A UBEC 5A (68.1") (8pcs) Servos:9g Digital MG Weight:2215g (W/O battery) The parameters stated here are derived from test results using our...
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PNP Assembly Instructions Steel wire use instructions Our tests show that excessively long servo extension lines increase the risk of poor connections that can lead to servo brown outs or failure, causing accidents during flight. Instead, this kit contains a steel wire that can be used to pull the main wing/elevator and rudder servo wires through the airplane to the battery compartment, eliminating the need for extension wires.
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PNP Assembly Instructions 3.Use 4 screws to secure the main wing. Screws (PM3x6 4pcs) 4.Use the steel wire to pull the left and right wing connection wires to the battery compartment. Main wing servos wire Landing gear wire 6.Use glue and screw to secure the intake plate. 5.Use plastic cover to close the main wing connection cable trough on the inner wall.
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PNP Assembly Instructions Rudder Installation 1.Use the steel wire to pull the rudder servo cable through to the battery compartment. 2. Use 4 screws to secure the rudder. A. Vertical tail B. Tail fuselage C. Servo wire D. Screws (FA3x8 4pcs) Nose cone, pitot tube, wing fence and drop tank pylons Installation Nose cone Antenna...
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Servo Installation Instructions Flap and Aileron Servo Installation A - 9g servo B - Main wing pushrod 1.Use a servo tester or radio to center the C - Aileron horn servo. D - Main wing servo trough 2.Use glue to install the servos and control horns to the main wing.
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Landing Gear Nose Landing Gear Assembly Assemble and disassemble the nose landing gear according to the following photos. (PM2x4 1pc) Nose wheel Screw Retract controller Nose gear axle Nose gear main supporting rod Nose landing gear set U-shape slant supporting rod E-clip (Ø1.5mm) clip...
Landing Gear Installation Rear Landing Gear Assembly Assemble and disassemble the rear landing gear according to the following photo. Main gear axle Main landing gear set Main wheel (FA3x8 4pcs) Screws Screw (M3x3mm) Step Main landing gear mount Rear gear slant supporting rod (Ø3.5X9.2mm 1pc) E clip (Ø1.5mm 1pc)
3-Axis Gyro Introduction and Use Use 4 screws to secure the gyro onto the board at the front of the The gyro was factory tested and set up at default sensitivity. You can battery compartment. Make sure the gyro decal is facing the nose cone fine tune it according to your preference and flight conditions.
Servo Introduction A servo or reversed servo is defined as follows: When the servo input signal changes from 1000ųs to 2000ųs, if the servo arm rotates clockwise, it's a positive servo. If it rotates counter clockwise, it's a reversed servo. If you choose to use another brand of servo, please refer to the following list to ensure it is the correct size .
Power System Assembly Motor spinner Screws 80mm ducted fan metal frame for outrunner motor 3553 - 1800KV motor 90mm 12-blade ducted fan Spinner (PM3×10mm 1pc) Screw ( 3×3mm 2pcs) Screws Refer to the following photo to install power system and ESC. PM3x25mm 2pcs) Screws Ducted fan cover...
Control direction test After the build is complete, power up the radio and connect a fully charged battery to the ESC. Use the radio to ensure correct control direction. Aileron Stick Left Stick Right Elevator Stick Back Stick Forward Rudder Stick Left Stick Right Optional Flaps...
Dual Rates According to our test results, the following rates proved to be a good starting point. Low rates are good for initial flights or less experienced pilots. High Rates will be more sensitive to control inputs After initial flights, adjust the rates to suit your own style. Ailerons Flaps Elevator...