Hobby King Arcus F3A Instruction Manual Download

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Wingspan:

39.7 in (1000mm)

Overall Length:

44.8 in (1130mm)

Wing Area:

548.7 sq. in. (35.4 sq. dm.)

Flying Weight:

37.0 oz (1050 g)

Wing Loading

30.0g /sq.dm

Motor Size:

3536-KV900

Radio:

4+ channel radio system (Required)

Servos:

(4*9g) servos

CG (center of gravity):

3-3/4 to 4 in (95-100mm) back

from the leading edge of the top wing

Prop Size:

11x7 electric propeller

Speed Control :

40-amp brushless

Recommended Battery: 11.1V(3S) 2200 mAh LiPo (Required)

Instruction

Manual

Summary of Contents for Arcus F3A

Page 1: ... Loading 30 0g sq dm Motor Size 3536 KV900 Radio 4 channel radio system Required Servos 4 9g servos CG center of gravity 3 3 4 to 4 in 95 100mm back from the leading edge of the top wing Prop Size 11x7 electric propeller Speed Control 40 amp brushless Recommended Battery 11 1V 3S 2200 mAh LiPo Required Instruction Manual ...

Page 2: ...s may differ slightly from the photos In those instances the written instructions should be considered as correct 3 If you are not an experienced pilot or have not flown this type of model before we recommend that you get the assistance of an experienced pilot in your R C club for your first flights If you re not a member of a club your local hobby shop has information about clubs in your area who...

Page 3: ...if you need assistance with assembly contact HK Product Support Team When reporting defective or missing parts use the part name exactly as they are written in the KIT CONTENTS list REPLACEMENT PARTS LIST Order No Description KIT CONTENTS 1 2 4 5 6 7 8 9 10 3 1 Top wing 2 Lower wing 3 Fuselage With the spinner 4 Horizontal stabilizer 5 Main landing gear 6 Propeller 7 Interplane struts 8 Screw set ...

Page 4: ... charge through the charge lead NEVER charge through the discharge lead NEVER charge at currents greater than 1C ALWAYS set charger s output volts to match battery volts ALWAYS charge in a ﬁreproof location NEVER trickle charge NEVER allow the battery temperature to exceed 150 F 65 C NEVER disassemble or modify pack wiring in any way or puncture cells NEVER discharge below 3 0V per cell NEVER plac...

Page 5: ... the horn to the rudder using foam safe glue 4 Glue in the magnets for the cowling and battery hatch 5 Before installation of the motor and propeller connect the ESC to the motor 6 Attach the sheet metal to the battery hatch and put the hatch into place 4 ...

Page 6: ...e screw mounting holes and let cure to strengthen the plywood before mounting the servos into place 2 Install the control surface horns to the lower wings using Epoxy and mount the aileron servos in the servo bays using Epoxy 4 Install the strut mounting bases the swivel ball mounting plates and the wing mounting washers to the top wing using Epoxy 3 Install the lower wing mounting nose using Epox...

Page 7: ...assembly 1 Put together the wheel pants clips using CA Secure the gear axles with the nylon nuts provided and fit the wheels into the wheel pants and the wheel pants to the clips Put the wheel assembly onto the axles align the wheel pants and secure them by using four wood screws on each side on the inside of the strut Put a washer on each axle in between the pants and the wheel before securing th...

Page 8: ...elevator connector is properly in place on both halves before fully inserting the stabilizer into place 1 Snap the horizontal stabilizer into place by inserting the right stabilizer half into the mounting slot first Make sure to slide it all the way to the front and bottom of the slot Install the horizontal stabilizer 1 To install the aileron control rods insert the Z bend of the respective rod in...

Page 9: ...ing bay Secure the wing using two wood screws 3 To install the interplane struts use the strut with the Arcus logo on the right side and the strut with the H KING logo on the left side Use 4 wood screws provided for each strut to attach them to both wings 2 Note You can wiggle the wing several times to make sure the wing is properly fitted into place Install the top wing by keying the screw mounti...

Page 10: ...the control system testing Caution To prevent personal injury do not install the propeller onto the motor shaft in the process to bind your RX to your TX and to test all the control channels until the manual tell you to do it 2 Move the sticks on the transmitter to make sure all of the surfaces are moving in right direction please refer the following pictures If the control surfaces deflect in the...

Page 11: ...he second four beeps 4 Battery selection and configuration We recommend the 11 1V 1P 25C 2200mAh to 2600mAh 180g 240g Lipo battery If using another battery the battery must be at least a 11 1V 1P 25C 2200mAh to 2600mAh battery your battery should be approximately the same capacity weight and can even fit into the Arcus battery hatch 1 Mechanically adjust the linkage rod to align the surface with t...

Page 12: ...too far aft tail heavy the model will be too responsive and difficult to control If the C G is too far forward nose heavy the model will be too stable and not responsive enough Follow the instructions to make sure the model is balanced properly and the C G is in the correct location 1 The recommended C G location for your model is from the most leading edge of the top wing as the picture shows whi...

Page 13: ...h your radio control system to perform a ground range check If the controls are not working correctly or if anything seems wrong do not fly the model until you correct the problem Make certain all the servo wires are securely connected to the receiver and the transmitter batteries have a good connection Find a flying site clear of buildings trees power lines and other obstructions Until you know h...

Page 14: ...Power loss to receiver Aircraft will not respond to the throttle but responds to other controls ESC is not armed Throttle channel is reversed Lower throttle stick and throttle trim to lowest settings Reverse throttle channel on transmitter Replace damaged parts Tighten parts for propeller adapter propeller and spinner Remove and install propeller correctly Completely recharge flight battery Replac...

Page 15: ...MADE IN CHINA ...

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