following Skipping Needles Matrix for detail. This matrix provides clear information for operation.
Skipping Needles Matrix
Needles placement and corresponding functions
550 brushed motor parameters (For brushed truck)
3
1, 2
2, 3
Forward, brake, no reverse
4, 5
Lipo battery
5, 6
NiMh battery
Needles Functions
Forward, brake, reverse
①
②
③
④ ⑤
⑥
Motor 3650 KV(RPM):
3970
Power:
21.0V
Empty load current:
2.0A (10V)
Resistance(Ω):
11Ω
Length (including motor shaft):
70mm
Diameter:
36mm
Weight :
170g
Shaft diameter:
3.175mm
Features:
6kg
Gears:
Plastic gears, ball bearings
Working voltage:
4.8-6.0V
Speed (seconds/60°):
0.18-0.16 sec/60°
Torque:
6kg/cm
Net weight:
40g
Size(LxWxH):
40.8*20.1*38mm
Constant voltage: 7.4V Direction: CCW
Brushless electric motor (For brushless truck)
Servo (For both trucks)
The brushless truck comes with a 7.4V 2S Lipo battery. It runs over 80A brushless ESC. Please refer to
the ESC information below.
Note: When the motor temperature is over 120℃(248℉), please add a fan over the motor for better
ventlation. Please refer to the parts list foroptional part motor cooling fan and heat sink.
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