CROSS-RC BT8, Assembly Instruction Manual

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1. The spraying and bonding process to body shall be carried out in a ventilated place, and safety masks shall be worn.
2. Please notice to the use of different glues when assembling the vehicle body: the vehicle shell is made of ABS material,
please use ABS special glue; The window and lamp are made of acrylic material. Please use less corrosive transparent glue
or special glue for the model.
3. Please make clean on the bonding surface before bonding the ABS plastic body, and there shall be no paint on the bonding
surface. After applying ABS glue to the two adhesives, apply pressure for 10 seconds to fully bond them.
4. Please conduct simulated assembly to determine the sequence of component before bonding or spraying.
5. For the wiring diagram of electronic equipment, please refer to the description on page 76 of the manual; Please conduct
power commissioning when the wheels are suspended.
6. This product is a high-precision model. Please read this manual carefully before assembly and assemble in strict accordance
with this manual.
7. Screw thread sealant shall be used during assembly. Please noted that the screw thread sealant shall not have any contact
with the shell parts. The screw thread sealant and ABS materials will produce chemical reaction, which will embrittle and
crack the shell.
8. It is recommended to use professional tools for installation. Please pay attention to the safety when use tools.
Electronic equipment requirements and recommendations:
BT8 Assembly Instruction
Equipment
Specification
Remark
Remotes
8 channels or Up
Waterproof connector is
recommended
Servo
Steering servo
：
≥30KG*2 HV
High pressure standard steering
gear in waterproof
Shift servo ： ≥10KG*1
Standard steering
E S C Continuous current ≥ 80A*2
ESC BEC output>3A
Brush motor
Brush motor 560 38T *1
Brush motor 540 35T *1
The Max. Size: Ø39mm*65mm
Installation hole spacing: 25mm
Brushless motor
≤2100KV
Motor gear M0.8 Model 11-15 gear
M0.8 Model ≠32P
UBEC Continuous current ≥ 10A
Suggest Servo to be
independently powered by
UBEC
Motor gear
Total reduction ratio Environment
12T
1:46.5
1:18.8
Suitable for crossing and climbing
Gear reduction ratio range reference
11T 12T 13T 14T 15T
Low speed
50.7 46.5 42.9 39.8 37.2
High speed
20.5 18.8 17.4 16.1 15
Battery box inner size
135*170*29mm
Battery box entry hole
135*58mm