Atomic DRZ User manual

Instruction and Assembly Manual
Version 1.1 (2018-June)

Tools Needed (Not Included) :
Equipment required :
Tools Included :
Thank you for purchasing this Atomic product. DRZ is a RWD-
Rear Wheel Drive Dri Chassis in 1:28 scale.
It requires a steering gyro also suitable dri res to work with.
And you need smooth track surface to do dri. It is not recommend to
dri on foam track or high grip carpet. Marble floor, Tile surface, PVC
vinyl floor, Wood desktop, or any kinds of surface that is low tracon is
recommended.
Please read this manual in detail in order to have proper assembly of
this product and wish you have fun with it.
Car Body Radio System Grease
Rim Tire
Battey
Small Screw Driver
1.5mm Allen wrench
1.3mm Allen wrench tool
Hex Nut Driver
4.5mm
Hobby Knife

1
2
Attaching Steering slide
P.1
Linkage Ball
( )2.5mm
use sand paper to
grind the slider
Grease
Lower deck
2x6KM
Slide holder
Suspension mount
!
Caution:
!
Attaching front bulkhead M1.2x4
Front Bulkhead
0 mm
M1.2 screw for adjust
front arm down stop
Default setup
2x4KM
Adjust the position of Slide Holder
to make sure steering is smooth
and no wobble.
Use sand paper to grind the bottom
of slider to ensure it sliding smooth.
Linkage Ball
( )3.5mm
Adjust the position of Slide Holder
to make sure steering is smooth
and no wobble.
!

3Front Suspension assembly L/R
4Attaching Front Suspension
P.2
suspension (L)
suspension (R)
Suspension ball
Linkage Ball end
Linkage Ball end
Suspension ball
1.5x8pin
1.5x8pin
1.5x2.4x0.3
shims (plastic)
2x4KM
Front body mount
suspension
assembly(R)
5Upper suspension assembly
1.0mm
Camber Adjustable arm
Linkage Ball end
Default setup
!
2.5 degree 7 degree 12.5 degree
Default setup
Attention camber direction
Setup the Shims (plastic) position to setup caster gain
!
Default setup
M1.2x3
LR
1.5x10 pin
Upper Suspension mount
1.5x2.4x0.3
shims (plastic)
2.0mm
Default setup

P.3
Attaching Upper suspension mount
6M2x6
7Attaching Steering Assembly
3x6x2
Bearing
3x6x2
Bearing
Steering Block
Front Axles
Linkage Ball
(3.5mm)
Linkage Ball
(4mm)
Linkage Ball
(4mm)
3x6x2
Bearing
3x6x2
Bearing
Front Axles
Steering Block
Linkage Ball
(3.5mm)
Linkage Ball
(4mm)
Linkage Ball
(4mm)

P.4
8Attaching steering linkage
servo assembly
9
Attaching servo horn & linkage
10
0.5 mm
Default setup
3.5mm Ball end
M2X6
set screw
servo
M2x4
M2x8
M2x4
servo mount
Linkage Ball 2.5mm
2x5x2.5
Bearing
Steering Bell Crank
Caution:
!
!
Attach as shown with
servo in neutral point
1.4mm
Default setup
2.5mm
Ball end
M1.4X7
set screw
Linkage Ball 2.5mm
2x4KB (self-tapping thread screw)
Servo horn
!

P.5
11 Attaching servo assembly
12 Attaching Front shocks tower
2x4KM
0mm
2.5mm
Ball end
M1.4X7
set screw
servo assembly
oil We recommend to apply #25000
Damper Grease to the shocks.
oil
Default setup
2x4KM
M2x4PM
M2x4PM
Front shocks tower
Linkage Ball
(4mm)
Linkage Ball
(4mm)
Shocks
Linkage Ball
(4mm)
Shocks
Linkage Ball
(4mm) Sping
(Short)
Default setup
Shock Alignment Clip 1mm
!

P.6
13 Attaching Battery mount
& body mount
14 Motor mount & R gear box assembly
15 Gear box assembly
Default setup
Battery mount
Battery mount
Body mount R
Body mount L
M2x4KM
M2x4KM
M2x4
M2x4
Spur gear mount 3x6x2.5
Bearing
Motor mount
R gear box
1.5x6.5pin
Main shaft
1.5x4.6pin
2x5x2
Bearing
3x6x2.5
Bearing
L gear box
3x4.2x4mm collar
1.98x12 shaft
Gear 12T
M2x4
Idler Gear 18T

P.7
16
17
Gear diff assembly
M1.2x6
M1.2x6
M1.2x4
M1.2x4
6x10x3
Bearing
6x10x3
Bearing
Gear diff joint
Bevel Gear
Bevel Gear
Satellite Gear
Gear axial
48T Gear Diff Case
Gear Diff Cover
Attaching Gear box cover M2x4
Gear box cover
Gear diff
!
Don’t over tight the screw,
make sure the differential is
smooth, especially when the
gears are new. Gears need
few pack battery run to break-in.

P.8
19 Attaching Gear box
18 Attaching Motor & Gear
Motor
(3500KV is good choice)
M2x4
1.2x5 O-ring Spur gear
(42T)
Motor Gear
(19T)
Default setup
0.2mm
Toe-in block
M1.2x4
M2x8
M2x4

20 Attaching Rear camber linkage
21 Attaching Rear shocks tower
Default setup
Wheel axle
Swing shaft
Cross joint
Lock collar
oil
CVD assembly
1x5.5mm
Default setup
19.0mm
(0 degree camber)
3x6x2
Bearing
Rear hub
LR
M1.2x4
M1.2x3
M2x4
M2x4
M2x4KM
1.5x13mm pin
Collar
Linkage Ball 3.5mm
Ball end
3.5mm
Linkage Ball cover
Upper deck
oil We recommend to apply #15000
Damper Grease to the shocks.
oil
Sping (Long)
Default setup
Shock Alignment
Clip 1.5 +1.5mm
Linkage Ball
(4mm)
Shocks
Linkage Ball
(4mm)
M2x4PM
M2x4PM
2x6KM
P.9
Rear shocks tower
!

P.10
22 Attaching tire & wheel
23 Attaching electronic sys
Lock nut
Lock nut
Front tire
Front tire
Rear tire
Rear tire
Suggest
1 or +1.5 offset wheel
0.5 or 1.0 offset wheel
M2x6KM
body mount nut
Speed controller
RX
Gyro
Double-sided Tapes
Double-sided Tapes
2.0mm Thick Double-sided Tape
to minimize vibration to gyro.
!

ESC/Radio Calibration:
1. Turn on the transmitter, set parameters on the throttle channel
like “D/R”, “EPA” and “ATL” to 100% (for transmitter without LCD,
please turn the knob to the maximum) and the throttle “TRIM” to 0
(for transmitter without LCD, please turn the corresponding knob
to the neutral position). For Futaba radio transmitter, the direction
of throttle channel shall be set to “REV”, while other radio systems
shall be set to “NOR”. Please ensure the “ABS braking function” of
your transmitter must be DISABLED.
2. Start with transmitter on
3. ESC turned off but connected to a battery.
4. Holding the SET button and turn on the ESC, the RED LED on
the ESC starts to flash and then release the SET button
immediately.(it is now in setup mode)
3. Steps to Set the neutral point, the full throttle endpoint and the
full brake endpoint:
3.1 Leave the throttle trigger at the neutral position, press the SET
button, the RED LED dies out and the GREEN LED flashes 1 time.
3.2 Pull the throttle trigger to the full throttle position, press the
SET button, the GREEN LED blinks 2 times.
3.3 Push the throttle trigger to the full brake position, press the
SET button, the GREEN LED blinks 3 times.
3.4 The motor can be started 3 seconds after the ESC/Radio
calibration is complete.
P.11

P.12
Instrucons:
1. Use thick double side tape to fix the gyro (on the center line of chassis )
thicker tape (2mm or more) has beer vibraon absorpon and the gyro
will perform beer.
2. Switch1: Adjust the “switch to make sure the servo is “REV – NOR”
working in correct direcon. Set to if using stock servo on DRZ.“REV”
3. Switch2: Adjust the switch for type of servo, Atomic servos are “AN-DG”
Digital type- “DG”
4. Un-plug the Ch.3 cable, and adjust the gyro gain knob to (middle).50%
5. Power on the car and transmier, don’t touch the car and transmier
during gyro inializaon. Aer inializaon, the car is ready to dri.
6. Decrease the gyro gain if the servo is shaking. Normally 45 to 50% gain is
a sweet spot for dri.
7. If your transmier has “ch.3 dial or adjustment” funcon, you can
connect Ch.3 cable to receiver and adjust gyro gain value thru transmier.

P.13
8. Please note that, not all transmier has this funcon. Please refer
to transmier instrucon manual.
9. If you are not familiar with dri gyro operaon:
we recommend to test and setup the car without ch.3 connected.
It is easier to get start, because advance transmier funcon is not
easy to understand. Tunning with physical gyro gain buon is easier
than setup thru transmier screen setup manual.
LED light status :
1. When power it on, LED fast blink means the gyro is doing inializaon
and reading the steering midpoint. Don't move the gyro nor touch the
steering wheel on transmier.
2. (Ch 3 cable connected)
LED steady light aer inializaon, means the gyro is receiving sensivity
signal from transmier. Gyro gain is set by transmier Ch 3 dial.
And gyro compensaon steering angle is set on gyro (limit) knob.
3. (Ch 3 is not connected) --LED blinks slowly when inializaon completed,
means no sensivity signal received from transmier, gyro gain is seng
with adjustment knob on the gyro. (servo angle is set at maximum )

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End of Assembly