Roc Hobby MXS 3D V2 User manual

1100MM
MXS 3D V2
SPORT RIGID
3D ACROBATIC STRONG DURABLE EPO
LIGHT
HOLLOW WING DESIGN
FMSMODEL.COM

1
Safety
Lithium Polymer (Li-Po) Battery Warning
CAUTION: Always follow the manufacturer’s instructions for safe use and disposal of batteries. Fire, property
damage, or serious injury can result from the mishandling of Li-Po batteries.
By handing, charging or using a Li-Po Battery you assume all risks associated with lithium batteries.
If at any time the batteries begin to swell, or balloon, discontinue use immediately!
Always store the batteries at room temperature in a dry area to extend the life of the battery, Always transport
Never use a Ni-Mh Charger to charger Li-Po Batteries. Failure to charge the battery with a Li-Po compatible charger
may cause fire resulting in personal injury and property damage.
Never discharge Li-Po Cells below 3V.
Never leave charging batteries unattended.
Never charge damaged batteries.
Charging the Flight Battery Warning
Use a battery charger that is designed to safely charge the Li-Po Battery. Read the charger instructions care
fully before use. When charging the battery, make certain the battery is on a heat resistant surface. It is also highly
recommended to place the Li-Po Battery inside a fire resistant charging bag readily available at hobby shops or
online.
or temporarily store the battery in a temperature range of 40-120F. Do not tore the battery or model in a car or in
direct sunlight. If stored in a hot car, the battery can be damaged or even catch fire.
Safety Precautions and Warnings
WARNING
WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product before operating.
Failure to operate the product correctly can result in damage to the product. personal property and cause serious
injury.
This is a sophisticated hobby product and NOT a toy. It must be operated with caution and common sense and
requires in injury or damage to the product or other property. This product is not intended for use by children without
direct adult supervision.
This manual contains instructions for safety operation and maintenance. It is essential to read and follow all the
instructions and warnings in the manual prior to assembly, setup or use, in order to operate and avoid damage or
serious injury.
As the user of this product. you are solely responsible for operating in a manner that does not endanger yourself and
others or result in damage to the product or the property of others. This model is controlled by a radio signal subject
to interference from many sources outside your control. This interference can cause momentary loss of control so it
is advisable to always keep a safe distance in all directions around your model, as this margin will help avoid collisions
or injury.
Age Recommendation: Not for children under 14 years. This is not a toy.
·Never operate your model with low transmitter batteries.
·Always operate your model in an open area away from cars, Traffic or people.
·Avoid operating your model in the street where injury or damage can occur.
·Never operate the model in the street or in populated areas for any reason.
·Carefully follow the directions and warnings for this and any optional support equipment ( chargers. Rechargeable
battery packs, etc. ) you use.
·Keep all chemicals, small parts and anything electrical out of the reach of children.
·Moisture causes damage to electronics. Avoid water exposure to all equipment not specifically designed and protect-
ed for this purpose.
·Never lick or any place of any your model in your mouth as it could cause serious injury or even death.

2
Table of Contents
Introductions
Introductions..................................................................................................................................................2
Contents of Kit...............................................................................................................................................3
Assemble the plane.......................................................................................................................................4
Install the battery and Radio installation........................................................................................................5
Important ESC and model information..........................................................................................................6
The transmitter and model setup...................................................................................................................6
Check the control throws...............................................................................................................................7
Check the motor rotating direction.............................................................................................................. ..7
Linkage rod Installation..................................................................................................................................8
Control Horn and Servo Arm Settings............................................................................................................8
Install the propeller and spinner......................................................................................................................9
Center of Gravity(CG)....................................................................................................................................9
Before flying the model.................................................................................................................................10
Flying course.................................................................................................................................................11
Trouble shooting............................................................................................................................................12
Spare parts list content.................................................................................................................................13
ESC instrouction...........................................................................................................................................14
Introducing the version 2 1100mm MXS 3D aerobatic plane from FMS Models. Designed for the intermedi-
ate to advanced 3D pilot & built specifically for 3D Flight, the version 2 MSX is now even better to please
the most capable of 3D pilots.
Built from super strong EPO foam, the receiver ready MXS is glueless - ready to assemble requiring only
10 screws. Add your 4 channel receiver and 3s 2200mAh battery and you are ready to fly. Strong tube
spars in the wing and tail create a super rigid structure that can withstand even the harshest 3D punish-
ment. The updated powerful 3541-1230kv Outrunner, 40amp ESC, & 4 full Metal Gear Digital servos are
pre-installed and ready to fly out of the box. The preinstalled precision ball links and rods expedite assem-
bly time and provide precise control of nearly any aerobatic maneuver desired. Extra long, servo arms are
designed in an over-center position from the control surface horns to provide massive amounts of control
surface throw for low speed Harrier & hovering flight. Wing tip Side Force Generators further enhance the
low speed performance by directing the airflow over the ailerons for more positive control. Tough but light-
weight aluminum landing gear and large 2 1/2” wheels make grass takeoffs and landings a breeze. A large,
magnetic hatch makes changing the battery quick and easy!
Painted in bright green and black, the new version 2 MXS is sure to get attention at the flying field... Easy
to assemble, built tough & 3D ready.... Look no further than the New MXS from FMS Models!
Features:
1. Easy to assemble. Only needs glue for wing tip Vortex generators.
2. New hollow wing design for reduced weight and rigidity.
3. Wing tip Side Force Generators for superior Knife Edge and slow maneuvering.
4. Super strong laminated control surface hinges.
5. Upgraded Powerful 3541-1230kv Outrunner motor.
6. 40amp ESC.
7. Upgraded 4 digital full metal gear servos.
8. Wings and tail remove for transport, however the 1100mm size makes transportation easy.
9. New ultra-visible green & black high contrast paint scheme.
10. Upgraded extended Horizontal stabilizers and Vortex Generator for better performance.

3
Before assembly, please inspect the contents of the kit. The photo below details the contents of the kit and
labels. If any parts are missing or defective, please indentify the name or part number (refer to the spare
parts list near the end of the manual) then contact your local shop or email us: [email protected]
Contents of Kit
A: Front Landing Gear Set
B: Landing gear mounting screws (3-HKM3.0*10)
C: Horizontal stabilizer (Left and Right)
D: Vortex Generator(Left and Right)
E: Propeller
F: Spinner
G: Horizontal stabilizer mounting screws (2-KA2.6*12)
H: Pipe (For Horizontal Stabilizer)
I : Main fuselage
J : Linkage rods, control horns, servo arms
K: Main wing screw (4-HKM3.0*20)
L: Main wing (Left and Right)
M: Main wing tube
A.
B.
E.
F.
G. H.
J. L. M.
K.
I.
C. D.
Wingspan: 1100mm (43.3in)
Overall Length: 1114mm (43.85in)
Flying Weight: Around 1180g(41.6oz)
Motor Size: Brushless 3541-KV1230
Wing Load: 30.3 g/dm² (0.068oz/in²)
Wing Area: 26.12 dm² (405.9sq.in)
ESC: 40A
Servo: 9g metal digital Servo x 4
Recommended Battery: 11.1V 2200mAh 25C

4
2. Install the elevator servo arms and linkage rods as shown in Figures 3 and 4.
3. Attach the main landing gear using 3 PM 3.0 X 10mm screwsas shown in Figure 5.
4. Find the Y-harness and connect it to both aileron servos.Connect the Y-harness to the receiver, then place
the receiver into the fuselage as shown in Figure 6 .
1. Unpack the elevator parts bag and assemble PA 2.3*10 mm and connecting pipe as shown in Figure 1 and 2.
Assemble the plane
HKM 3.0 x 10
KA2.6*12mm
fig1 fig2
fig3 fig4
fig5 fig6

5
5. Assemble the main wing as shown in Figure 7. Use four screws to lock the wing as shown in Figure 8.
Install the battery and Radio installation
Gear
Gear
1. Apply the hook tape to the cable end of the battery (fig10).
2. Slide the battery into the battery hatch with the power supply cable toward the rear end of the plane and the
hook tape facing the bottom of the battery hatch. Note: You may need to relocate the battery position to
achieve the correct CG for your model.
Attach the aileron servo leads to the previously installed "Y" harness. Elevator servo lead goes to elevator
channel of your receiver. The rudder servo goes to the rudder channel. Attach the ESC connector to the throttle
channel of the receiver.
6.Glue on the Vortex Generator on the wing tip using the applied glue (fig9).
fig9
fig10 fig11
fig7 fig8
HKM 3.0 x 20

6
Get your model ready to fly
Important ESC and model information
1. The ESC included with the model has a safe start. If the motor battery is connected to the ESC and the
throttle stick is not in the low throttle or position, the motor will not start until the throttle stick is moved to the
low throttle or off position. Once the throttle stick is moved to the low throttle or off position, the motor will
emit a series of beeps. Several beeps with the same tune means the ESC has detected the cells of the
battery. The count of the beeps equals the cells of the battery. The motor is now armed and will start when
the throttle is moved.
2. The motor and ESC come pre-connected and the motor rotation should be correct. If for any reason the
motor is rotating in the wrong direction, simply reverse two of the three motor wires to change the direction
of rotation.
3. The motor has an optional brake setting. The ESC comes with brake switched off and we recommend that
the model be flown with the brake off. However, the brake could be accidentally switched on if the motor
battery is connected to the ESC while the throttle stick is set at full throttle. To switch the brake off, move the
throttle stick to full throttle and plug in the motor battery. The
motor will beep one time. Move the throttle stick to low throttle or the off position. The motor is ready to run
and the brake will be switched off.
4. Battery Selection and Installation. We recommend the 11.1V 2200mAh 25C Li-Po battery. If using another
battery, the battery must be at least a 11.1V 2200mAh 25C battery. Your battery should be approximately the
same capacity, dimension and weight as the 11.1V 2200mAh 25C Li-Po battery to fit the fuselage without
changing the center of gravity significantly.
The transmitter and model setup
Before getting started, bind your receiver with your transmitter. Please refer to your Transmitter Manual for
proper operation
CAUTION: To prevent personal injury, DO NOT install the propeller assembly onto the motor shaft while
testing the control surfaces. DO NOT arm the ESC and do not turn on the transmitter until the Transmitter
Manual instructs you to do so.
Tips: Make sure all control sticks on your radio are in the neutral position (rudder, elevator, ailerons) and the
throttle in the OFF position. Make sure both ailerons move up and down (travel) the same amount. This
model tracks well when the left and right ailerons travel the same amount in response to the control stick.
1. Move the controls on the transmitter to make sure aircraft control surface move correctly. See diagrams
below.
1. Apply the hook tape to the cable end of the battery (fig10).
2. Slide the battery into the battery hatch with the power supply cable toward the rear end of the plane and the
hook tape facing the bottom of the battery hatch. Note: You may need to relocate the battery position to
achieve the correct CG for your model.

7
Check the control throws
Check the motor rotating direction
The motor should rotate clockwise when viewing the plane from the rear.
The suggested control throw setting for FMS MODEL are as follows (dual rate setting):
Tips: At first flight, fly the model in low rate. The first time you use high rates, be sure to fly at low to medium
speeds. High rate, as listed, are listed, are only for EXTREME maneuvering.
30
25
70 40
18
20

8
Control Horn and Servo Arm Settings
Linkage rod Installation
More control throw
Less control throw
Elevator
Rudder
Ailerons
Horns Arms
Press the socket-style linkage connector over the corresponding ball end on the control horn.
The table shows the factory settings for the control horns and servo arms. Fly the aircraft at the factory
settings before making changes.
After flying, you may choose to adjust the linkage positions for the desired control response.

9
b
e
c
a
d
Assemble the spinner and propeller as shown below.
Install the propeller and spinner
Check the C.G. (Center of Gravity)
When balancing your model, adjust the motor battery as necessary so the model is level or slightly nose down.
This is the correct balance point for your model. After the first flights, the CG position can be adjusted for your
personal preference.
1. The recommended Center of Gravity (CG) location for your model is (85-90mm) forward from the leading
edge of the main wing (as shown) with the battery pack installed. Mark the location of the CG on top of the
wing.
2. When balancing your model, support the plane at the marks made on the bottom of the main wing with your
fingers or a commercially available balancing stand. This is the correct balance point for your model. Make sure
the model is assembled and ready for flight before balancing.
85-90mm

10
Before flying the model
Find a suitable flying site
Perform the range check for your plane
Monitor your flight time
Find a flying site clear of buildings, trees, power lines and other obstructions. Until you know how much area
will be required and have mastered flying your plane in confined spaces, choose a site which is at least the
size of two to three football fields - a flying field specifically for R/C planes is best. Never fly near people -
especially children who can wander unpredictably.
As a precaution, an operational ground rage test should be performed before the first flight each time you go
out. Performing a rang test is a good way to detect problems that could cause loss of control such as low
batteries, defective or damaged radio components, or radio interference. This usually requires an assistant
and should be done at the actual flying site you will be using.
First turn on the transmitter, then install a fully - charged battery into the fuselage. Connect the battery and
install the hatch.
Remember, use care not to bump the throttle stick. otherwise, the propeller/fan will turn and possibly cause
damage or injury.
Note: Please refer to your Transmitter Manual that came with 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.
Monitor and limit your flight time using a timer (such as on a wristwatch or in your transmitter if available).
When the batteries are getting low you will usually notice a performance drop before the ESC cuts off motor
power, so when the plane starts flying slower you should land. Often (but not always) power can be briefly
restored after the motor cuts off by holding the throttle stick all the way down for a few seconds.
To avoid an unexpected dead-stick landing on your first flight, set your timer to a conservative 4 minutes.
When your alarm sounds you should land right away.

11
Flying course
Flying
Take off
While applying power, slowly steer to keep the model straight. the model should accelerate quickly. As the
model gains flight speed you will want to climb at a steady and even rate. MXS 3D will climb out at a nice
angle of attack (AOA).
Always choose a wide-open space for flying your plane. It is ideal for you to fly at a sanctioned flying field. If
you are not flying at an approved site always avoid flying near houses, trees, wires and buildings. You should
also be careful to avoid flying in areas, where there are many people, such as busy parks, schoolyards, or
soccer field. Consult laws and ordinances before choosing a location to fly your aircraft. After takeoff, gain
some altitude. Climb to a aspects of flight does not make sense, including high speed passes, inverted flight,
loops, and point rolls.
Land the model when you hear the motor pulsing (LVC) or if you notice a reduction in power. If using a transmitter
with a timer, set the timer so you have enough flight time to make several landing approaches.
Recharge the battery and repair the model as needed .The model’s three point landing gear allows the model
to land on hard surfaces. Align model directly into the wind and fly down to the ground. Fly the airplane down
to the ground using 1/4-1/3 throttle to keep enough energy for proper flare. Before the model touches done,
always fully decrease the throttle to avoid damaging the propeller or other components. The key to a great
landing is to manage the power and elevator all the way to the ground and set down lightly on the main landing
gear. After a few flights you will find the model can be set down lightly on the mains and you can hold the nose
wheel off balancing the model on the mains until it slows and gently settles the nose.
Repairs to the foam should be made with foam safe adhesives such as hot glue, foam safe CA, and 5min
epoxy. When parts are not repairable, see the Spare Parts List for ordering by item number.
Always check to make sure all screws on the aircraft are tightened. Pay special attention to make sure the
spinner is firmly in place before every flight.
Maintenance
Landing

12
Troubleshooting

13
ROCKL101 Fuselage
ROCKL102 Main Wing Set
ROCKL103 Horizontal Stabilizer
ROCKL104 Cowl
ROCKL105 Battery Hatch
ROCKL106 Main Landing Gear Set
ROCKL107 Rear Landing Gear Set
ROCKL108 Spinner Set
ROCKL109 Linkage Rod
ROCKL110 Vortex Generator
ROCKL111 Decal Sheet
ROCKL112 Pipe Set
FMSPROP047 Propeller
FMSDJ009 Motor Mount
FMSBM026 Motor Board
FMSDZ010 Propeller Adapter
PRKV1230 3541-KV1230 Motor
FMSESC40A200 40A ESC(200mm input cable)
FMSSER9MGDP 9g digital metal gear servo positive
Visit our website to see photos of this product: www.fmsmodel.com
Spare parts list content

14
ESC instruction
Motor
Brushless Speed Controller
ESC
Brushless Controller
A quality connector
is essential
Battery
Pack
Receiver