CONTENTS Introduction 1 Features 1 Specification 1 Contents 2 Tools And Items 3 Assembly of the front landing gears 4 Assembly of horizontal tail & vertical tail and tail wheel 5 Assembly of main wings, front landing gear and propeller 6-7 Centre of Gravity 7 Pre-Flight Check 8 Flight 8-9 Tips 9 Problem Solving 10 Notes 11-12
INTRODUCTION Thank you for purchasing H-king’s Piper J3 Navy Cub Electric R\C airplane, Piper is a Propeller airplane which is ideal for the beginners, seasoned flyer’s and scale enthusiasts. The Navy cub will perform most aerobatic manoeuvres from loops to stall turns, low slow flyby’s is the best thing about flying the navy cub. Made from tough EPO foam means it will handle all the bumps and repairing any damage is a breeze.
CONTENTS 1 2 3 4 5 6 7 11 1. Cowl 2. Fuselage 3. Main Wing 4. Horizontal Wing 5. Landing gear set 8 9 12 6. Vertical Wing 7. Propeller 8. Wing Rod 9. Prop Adaptor 10. Motor 2 10 13 11. Spare Parts 12. ABS plastic wing support 13.
TOOLS AND ITEMS To assemble this airplane you need to prepare some tools.
ASSEMBLY OF THE FRONT LANDING GEARS: 1 2 3 Glue the steel wire to Glue the front wheel to the steel wire. Glue the stand of the the Gear cover of front front landing gears to landing gear. the gear cover. 4 Attach springs to landing gear and use heatshrink to cover springs. 5 6 Screw the wheel into the steel wire in Screw the wheel chock and wheel into the steel clockwise direction. wire to ensure the flexible rotation of wheel. 7 Prepared the front landing gears as shown.
ASSEMBLY OF HORIZONTAL TAIL 3 & VERTICAL TAIL & TAIL WHEEL: 1 2 Install the screw horns in the steering holder with screw. (PA1.7X15mm 2pcs) Install the screw horns Install the Rudder plate in the horizontal tail. in the vertical tail. (PA1.7X15mm 4pcs) 4 Install the horizontal tail in fuselage with screw. (PM3.0mmX30mm 2 pcs) 5 Install the vertical tail and screw onto fuselage with screw. 7 （PM3.0X45mm 1pcs, PM3.0X40mm 1pcs). 6 Fix the rear landing gear with screw. (PA2.
ASSEMBLY OF MAIN WINGS, PROPELLER: FRONT LANDING GEAR AND 1 2 Install the control leveling aileron. horns of aileron. (1.2X65mm 2pcs) (PA1.7X15mm 8 pcs) 3 Install the steel wire with the second hole on servo arm, close the chuck after. Put reinforcing rod into the holes on left and right wing with two ends. Then fasten reinforcing rod with screws. 4 5 Connect two steering devices with Y wire. Install the main wing and cabin with screws. The Y wire will reach equipment bay after (PM3.
Tighten diagonal draw bar and dam-board with screws. (PA2.6X20mm) 9 Fix the horizontal wing and vertical wing with stree wire. (Spring: 0.5X4X24.1mm 8pcs) (For horizontal 1.0X94mm 2pcs For vertical 1.0*94mm 2 pcs) 10 Fix propeller into the spindle of motor. Then tighten it up with spacer and screw. CENTER OF GRAVITY PRE-FLIGHT CHECK 1. Check wings and control surfaces for alignment and damage. Check all connections for control services. Check all screws and glued surfaces. 2.
5. Switch the transmitter on, then switch the receiver on. 6. Always perform a range check with your transmitter. Make sure your plane is secure to prevent damage to people and property. 7. Check plane responds properly to control signals. 8. Re-check all your control services, airframe, screws and undercarriage etc. 9. If there is no interference, the plane is now ready to fly. FLIGHT Take-off: 1. Face into the wind, slowly increase the throttle, use the rudder to keep the cub flying straight.
to get the tail gear to rest. You have now finished your first flight. Taxi your plane and safely remove the flight battery and power off your transmitter. TIPS 1. Train yourself with an RC flight model simulator, before you fly the H-King J3 Navy Cub electric RC airplane. It will help you with coordination for when fly your model. 2. Taxi the J3 Navy Cub on the ground to learn the direction control of the plane.
Cannot fly in a line Cannot climb 1. Motor/esc connection error 1. Swap around any 2 of the 3 ESC/motor wire connections 1. The servo lead is connected to Rx incorrectly. 1. Make sure the servo leads are connected properly. 2. The servo is damaged. 2. Replace servo. 1. Control surfaces not centered. Short control distance 2. CoG is not in the correct position. 1. Adjust the trims on the transmitter. 2. Re-position lipo as suggested.
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