These gearbox motors (also known as 'TT' motors) are an easy, low-cost way to get your projects moving.
This is a TT DC All-Metal Gearbox Motor with a gear-ratio of 1:90 aboutdouble of the 'standard' 1:48 ratio.
That gives them higher torque but slower rotational speed.
Since they're slower they're good for robots where strength is more important than speed.
They look a lot like our yellow all-plastic-gearbox motors but these have all of the motor gears machined from steel, so they won't strip as easily, and they're twice as slow (and twice as powerful) given their lower gearbox ratio. The metal gears also mean they're louder when running.
You can power these motors with 3VDC up to 6VDC, they'll of course go a little faster at the higher voltages. We grabbed one motor and found these stats when running it from a bench-top supply
At 3VDC we measured 80mA @ 60 RPM no-load, and 0.5 Amps when stalled
At 4.5VDC we measured 90mA @ 90 RPM no-load, and 0.8 Amps when stalled
At 6VDC we measured 100mA @ 120 RPM no-load, and 1.0 Amps when stalled
Note that these are very basic motors, and have no built-in encoders, speed control or positional feedback. Voltage goes in, rotation goes out! There will be variation from motor to motor, so a separate feedback system is required if you need precision movement.
Specification:
Conditions of Standard Operation
Suggested Voltage
3.0V DC Constant between motor terminals
Direction of rotation
Bi-directions
Gear box position
All directions
Storage Humidity Range with the exception of gear box
30%~70%
Operation temperature range with the exception of gearbox
+10℃~+50℃
Storage temperature Range with the exception of gearbox
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Suggested Voltage:4.5V DC No load Speed:140rpm No Load Current:190mA(max.250mA) Torque:800gf.cm min Size:20*20*64There gear motors, 130 model, 140 m..
Suggested Voltage:4.5V DC No load Speed:140rpm No Load Current:190mA(max.250mA) Torque:800gf.cm min Size:20*20*64There gear motors, 130 model, 140 m..
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