Giant J3-90 Instruction Manual Download Page 1

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Giant J3-90

Almost‐Ready‐to‐Fly

INSTRUCITION MANUAL

Specifications

Wingspan: 91 in (2306mm)

Length: 59in (1503mm)

Wing Area: 1185sq in (76.4sq dm)

Flying Weight (EP): Approx. 12lbs (5300g)

Summary of Contents for J3-90

Page 1: ...Giant J3 90 Almost Ready to Fly INSTRUCITION MANUAL Specifications Wingspan 91 in 2306mm Length 59in 1503mm Wing Area 1185sq in 76 4sq dm Flying Weight EP Approx 12lbs 5300g...

Page 2: ...y reserves the right to modify this warranty without notice Value Hobby has no control over the final stages of assembly or the material used for the final assembly No liability shall be assumed nor m...

Page 3: ...st time you take the plane out to the flying field These wrinkles are the result of wood shrinkage and or expansion Balsa wood changes size and shape slightly as it is exposed to varying humidity in t...

Page 4: ...ry GForce 30c 2200mah 2s 6 6V LiFe Receiver LiPO LYB LP 3446 Prop 18 x 8 wooden prop RECOMMENDED Motor SETUP Product SKU Motor 5652 325kv motor equivalent to 90 size glow engine ESC Hobbywing FlyFun 1...

Page 5: ...www valuehobby com j3 90 html 1 Wings 2 Fuselage 3 Elevator 4 Rudder and fin...

Page 6: ...M4 x 25 screw x 4 M4 washer x 12 M4 locknut x 4 Steel cable x 1 Fitting x 8 Brass tube x 8 M3 x 16mm socket head screw x 3 M3 x12mm self tapping socket head screw x 3 M3 locknut x 3 Wing joiner 19 x 8...

Page 7: ...tep2 Insert four hinges into the wing Step3 Apply some thin CA to secure the hinge to the wing Step4 Test fit the aileron to the wing through the hinge Step5 Apply thin CA to secure the aileron to the...

Page 8: ...ocks Note Don t pick up the wrong side servo hatch The servo arm is supposed to be in the center of the notch after the servo is installed Step3 Use epoxy to glue the block to the hatch Let the epoxy...

Page 9: ...a felt tipped pen to mark the positions for the three mounting bolts Step9 Drill the locations marked in the previous step Step10 Attach the control horn using three M2x25mm socket head screws and con...

Page 10: ...ng socket head screws Step3 Install the strut support to the wing using M2 5x12mm self tapping socket head screws Step4 Install the wing strut to the wing using M3x10 socket head screws Section4 Main...

Page 11: ...ll the landing gear to the fuselage Section5 Wing Installation Step1 Insert two 19x800mm joiner into the wing panel Use epoxy glue the 9x135mm wing joiner into the wing Step2 Attach the wind panel to...

Page 12: ...tal stabilizer using a felt tipped pen Step4 Remove the covering from the horizontal stabilizer inside the line drawn in the previous step Step5 Position the stabilizer and elevator on a flat surface...

Page 13: ...ully check the alignment of the stabilizer to the wing to make sure A B as shown Step9 Use epoxy to glue the stabilizer to the fuselage Step10 Glue the hinges and joiner wire to the elevator half and...

Page 14: ...ly aligned If not carefully sand the bottom of the fin to provide the clearance to align the fin Use epoxy to glue the fin to the fuselage Step2 Assemble the tail wheel as shown Step3 Drill a hole in...

Page 15: ...hinges Step7 Secure the tail wheel bracket to the fuselage Section8 Elevator and Rudder Servos and Linkage Installation Step1 Thread two 1 8x915mm steel wires through the plastic tube Step2 Cut the co...

Page 16: ...ol horn backplate Step6 Install the clevis to the control horn using one M2x10mm socket head screw and one M2 nut Step7 Use the same methods to install the rudder servo control and attach the pushrod...

Page 17: ...he horizontal stabilizer and fin using M3x16mm socket head screws and M3 locknuts Install the fittings on the fuselage using M3x12mm self tapping screws Step2 Pass the cable through the fitting and th...

Page 18: ...im them as necessary so they fit flush to the outside of the fuselage Use epoxy to glue the windows to the fuselage Step4 Test fit the front windscreen into position Trim as necessary Use epoxy to sec...

Page 19: ...e engine Section12 Motor Installation Step1 Install the motor mount to the firewall using four M4x25mm socket head screws Step2 Use four M4x25mm socket head screws four M4 washers and four M4 locknuts...

Page 20: ...t Inches measured at widest part of elevator roughly in the center Aileron Low Rate 3 8 8 Up 1 2 9 Down High Rate 7 8 21 Up 11 16 22 Down Linear measurement inches measured at root Rudder 11 2 28 Left...

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