Aichi D3A Specification: Length: 50mm(0. ) Wing span: 057mm( ) Wing area: 7.sq.dm(.sq.ft) Wing loading: 99.9g/sq.dm(3.oz/sq.ft) Flying weight: 7.kg(.7lbs) Radio: ch & 7servos Engine: 0 -cycle C.G: 35mm INSTRUCTION MANUAL SAFETY PRECAUTIONS This R/C airplane is not a toy! (The people under years old is forbidden from flying this model) First-time builders should seek advice from people having building experience.if misused or abused,it can cause serious bodily injury and damage to property. Fly only in open areas and preferably at a dedicated R/C flying site. We suggest having a qualified instructor carefully inspect your airplane before its first flight.please carefully read and follow all instructions included with this airplane,your radio control system and any other components purchased separately.
7 channel radio for aiplane is highly recommended for this model. -cycle.0 9 Optional parts: rubber wheel with metal hub. Spinner nut 5 X7 We strongly recommen you use the thread lock for all the screws when you build your model.
3 Apply instand type CA glue to appropriate position of trailing edge and pin hinge. Retainer Rod (x300mm) TP Screw (.3xmm) Screw (3x0mm) Pin hinge(xmm) Lock Nut ( ) Securely glue together. If coming off during flights, you 'll lose control of your airplane which leads to accidents! Apply instant type CA glue to appropriate position of aileron and pin hinge. Fix the aileron servo to the serve tray with epoxy. Pin hinge(xmm) Make sure hinges are mounted in the same line. Keep about mm width space between aileron and trailing edge. 5 Install the nylon control horn and connect the linkage. Tailing edge Retainer Rod (x300mm) Aileron mm Screw (x0mm) Make sure they are in the right position while installing.
Secure the servo.install the nylon control horn and connect the linkage. Assemble the flap servo to the main wing with screws. 77 Adjustment. 7 Adjustment. TP Screw (.3xmm) TP Screw (.3xmm).5mm Rod (x300mm) Lock Nut ( ) RUDDER 0mm Side View Side View AILERON FLAP 0mm 0mm 30mm Washer 0mm Screw (3x0mm) TP Screw (.3xmm) Top view Top View AILERON FLAP 9 According to the rib template drill holes in the outer wings and epoxy wood dowel in them. 79 Centre of Gravity. Servo tray(.5x5.5xmm) Wood dowel (x30mm) Rib template (mm ply) Wooden Block(0x0xmm) mm TP Screw (.3xmm) Main wing joiner Rib template (mm ply) Wood dowel (x30mm) Main wing joiner Rib template (mm ply) Main wing joiner 7 Fix the flap servo to the servo tray with epoxy. 0 According to the rib template drill holes to the center wing. 35mm mm Main wing joiner Rib template (mm ply) 5
7 Fix the fairing part to the fuselage with screw. 7 Drill holes to relevant pesition in the centet wing. Epoxy main wings to the centre wing by main wing joiners. 3 Connect the two flaps with metal wire,keep some space between them and epoxy the pinned hinges to the flaps as below. Screw (3x30mm) A = A" A A" Washer (3xmm) 35mm 73 o Steel wire (.7x0mm) 90mm 5mm 7 Screw (3x30mm) Washer (3xmm) Drill holes to appropriate in the bomb. 5mm 75 Epoxy plastic tube into the holes. 73 7 Epoxy the bomb to the bottom wing. 0mm Adjustment. Securely glue together. If coming off during flights, you 'll lose control of your airplane which leads to accidents! Retainer Rod (x300mm) Screw (3x5mm) Lock Nut ( ) Wood dowel (x50mm) Pin hinge(3x0xmm) Steel wire (.7x0mm) Screw (x50mm) Blind Nut (mm) Reinforcement Plate 0 mm Keep some space between the flaps. Trailing edge Flap Make sure they are in the right position while installing. 5 Steel wire (.7x0mm) Pin hinge(xmm) 0 Keep some space about mm width between trailing edge and flap. The sketch when the wings assemble finished. Epoxy the flaps to the wings as illustration. mm Plastic tube (5x30mm) A A` ELEVATOR Top view A=A' B=B' 5mm Side View 5mm B B` Position for right diagram. Securely glue together. If coming off during flights, you 'll lose control of your airplane which leads to accidents! 3
Assemble the arms in the flaps the servo arms to them with rods as below. 9 Drill holes in the fuselage for installing the wings. 5 Epoxy plies under the canopy and assemble the canopy to fuselage with screw. Epoxy the dummy parts to the appropriate position in the mid wing. mm.5mm TP Screw (.3xmm) Rod (x300mm) 97mm Retainer Lock Nut ( ) Washer Screw (3x5mm) Epoxy plies inside the fuselage under the cowing and mount the cowing with TP screw as illustration. TP Screw (.3xmm) Ply (5x5x) 7 Trim two holes to pull the servo extension lines and fuel tube from the holes. 0 Drill holes in the appropriate position through the wing to fuselage,set blind nut in the fuselage. Trim slots in right position in the bottem wing. 9 Epoxy the wooden block to the appropriate position in the fuselage,drill holes through the the wooden block from the dummy fairing and set blind nut in the big hole as illustration. Blind Nut (mm) 7.mm 70mm.mm Blind Nut Wooden Block(x0x9mm) Blind Nut 00mm mm 00mm mm Center line 50mm 35mm 0mm 5mm 5mm Wooden Block(x0x9mm) Epoxy the dowel on the leading edge of wing. Put the reinforcement plate on the holes and fix the wings to the fuselage with screws as illustration. Epoxy the dummy flaps to the wings. 7 70 Epoxy the fairing part to the fuselage. Wood dowel (x50mm) Screw(x50mm) Reinforcement Plate fairing part mm Screw(x50mm) Reinforcement Plate 97mm Dummy flap 3
0 Assembly of the switch servo. Epoxy the wooden form to appropriate in the cowling. Mount wheel pant and tire. Add a rubber ring to the clevis for insuring safety Linkage Stopper Washer (mm) Nut (mm) Set screw (3xmm) Former 7mm 55mm 5mm 0mm Wheel pants Wheel (0mm) Collar (mm) Wooden Block(0xx9mm) TP Screw (3x0mm) TP Screw (3x0mm) Landing gear straps Landing gear(mm) Wooden Block(0xx9mm) 0mm Wooden Block(0xx9mm) Wheel (0mm) Collar (mm) mm Mounting of the receiver and the battery. 3 Assemble the cowl to the fuselage with TP screws. Mount landing gear on the underside of wing. 5 Mount wheel pant and tire. Switch servo.mm 5mm 5mm TP Screw (3x0mm) Rudder servo TP Screw (3x0mm).5mm Throttle servo Elevator servo TP Screw (3x0mm) WssherTP (3xmm).5mm Landing gear TP Screw (3x0mm) Landing gear straps Cut off the surplus parts along the shaded line of the canopy. 3 According to the back steps,epoxy the Wheel pants to the appropriate place. Attach landing wire to wheel pant steadily. Canopy TP Screw (.3xmm) Ply (5x5x) Dummy flap Plastic tube (5x30mm) Wooden Block(x0x9mm) Former fairing part Screw (3x30mm) Washer (3xmm) TP Screw (3x0mm) WssherTP (3xmm).5mm TP Screw (3x0mm) TP Screw (3x0mm) Landing gear straps.5mm 0mm 35mm 5
9 Set the U-style wire through the tail of fuselage as below. 5 Assemble the throttle linkage. 57 Mount the fuel tank into the fuselage. Stab joiner (x0mm) Wood dowel (x30mm) Rib template (mm ply) Pin hinge(xmm) Steel wire (0.5x3000mm) U-style wire (50x) Copper joiner Screw (x0mm) Nut (mm ) Washer(x5mm) U-style wire (50x) Steel wire (0.5x3000mm) U-style wire (50x) Set Screw (3xmm) Rod (x00mm) Set Screw (mm) Linkage Stopper Washer (mm) Washer (xmm) Set Screw (mm) Set Screw (3xmm) Screw (x5mm) Blind Nut (mm) Rod (x00mm) Fuel tank (550cc) 7 Drill holes in the stabilizer root base on rib template and epoxy the wood dowel in them. 30 Epoxy the horizontal to fuselage and take care to keep all the surface clean. 55 Install the engine. 5 Assemble the servos and switch. Set screw (3xmm) Rib template (mm ply) mm Washer (mm) Washer (mm) Wood dowel (x30mm) Stab joiner (x0mm) Rib template (mm ply) Wood dowel (x30mm) Stab joiner (x0mm) According to the rib template drill holes in the stabilizer and fuselage! Linkage Stopper Washer (mm) Nut (mm) Set screw (3xmm) According to the rib template drill holes to the tail of fuselage as below. 3 Glue the pin hinges to the elevator and trim slot in the right position for fitting the U-style wire. 5 Assembly of the fuel tank. 59 Assemble the servo to fuselage. mm Rib template (mm ply) Pin hinge(xmm) Fuel spray line Air pressure line Fuel supply line
9 Epoxy plies to appropriate position in the fuselage. Then assemble the wheel as illustration. 5 The side view of the engine install completion. 3 Keep some space about mm width between the elevator and horizontal tail edge. 35 Install the nylon control ring for switch and connect the linkage. Screw (x0mm) Washer(x5mm) TP Screw (.3xmm) Collar Tail landing gear Collar 57 mm Ply Trailing edge Elevator Ball joint Lock Nut (mm ) Copper joiner Steel wire Collar () TP Screw (.3xmm) Ply (5x5x).5mm o Tow degree downthrust Make sure they are in the right position while installing. mm Copper joiner Screw (x0mm) Nut (mm ) Washer(x5mm) 5 Drill four holes at the diameters as shown for engine mount. 33 Glue the elevator to the stabilizer by CA and epoxy. 3 Assemble the elevator servo to the appropriate position in the fuselage. Blind Nut (mm) Screw (x35mm) Screw (x5mm) Washer(xmm) Spring Washer (mm) 5.mm x0mm Nut (mm) Linkage Stopper Plastic tube (x00mm) Engine mount (x05mm) Blind Nut Fuel tank (550cc) Blind Nut (mm) Securely glue together. If coming off during flights, you 'll lose control of your airplane which leads to accidents! 50 The front view of the engine install completion. 53 Assemble the engine. 3 Assemble horizontal tail, vertical tail, tail gear separately. 37 The sketch map for the wires of elevator servo in the fuselage. Washer (xmm) Spring Washer (mm) Nut (mm) Washer (xmm) Make sure to glue securely. If not properly glued, a failure in flight may occur. Securely glue together.if coming off during flights, you'll lose control of your airplane which leads to accidents! Temporarily fasten down the main wing and check its correct position. C=C' D=D' C C' Screw (x35mm) mm Screw (x5mm) D D' In case of -cycle & -cycle engine. 0 7
0 Tail landing gear mount Pin hinge Tail landing gear() Tail wheel (5mm) Collar () TP Screw(3x0mm) Washer (3xmm) TP Screw (.3xmm) Ply (5x5x) Wooden Block ( Ply) Steel wire (0.5x3000mm) Pin hinge 3 3 Epoxy a wooden block to inner fuse tail for helping fix the landing gear mount. Epoxy pin hinges to rudder. Install the rudder servo. Screw (x0mm) Washer(x5mm) Wooden Block ( Ply).5mm 5mm Ball joint Lock Nut (mm ) Copper joiner Steel wire 9mm 9mm Copper joiner Screw (x0mm) Ply 3 Wooden Block ( Ply) The sketch map when assemble the tail landing gear to the wheel steeling mount. Pin hinge Trim a slot in the vertical fin for epoxying the pin hinge of tail landing gear in it. Nut (mm ) Make sure hinges are mounted in the same line. 3 Washer(x5mm) 7 Epoxy the pin hinge to the rudder steady. Rudder Tail landing gear mount mm Metal arms Elevator servo Make sure they are in the right position while installing. Fix the tail landing gear mount with TP screws. 5 Steel wire (0.5x3000mm) Drill holes to appropriate position in the vertical tail and epoxy the rudder to the vertical tail steadily. 3x0mm 5mm TP Screw (3x0mm) Washer (3xmm) 50mm.5mm.5mm Elevator servo Rudder servo 39 Cut away the rubber tube when the epoxy glue dried. 3xmm Let the tail landing gear go through the fuse tail until to the proper position,and cut off the surplus parts of the landing gear as illustration. Rudder servo x0mm Tail landing gear() The sketch map of the steel wires run through in the fuselage. Tailing edge Pin hinge 9 Install the rudder servo in the fuselage.