This Transparent Robot Smart Car Chassis comes with a quality product. The kit is easy to assemble/disassemble.
Feature:
Smart car chassis tracing car Robot car chassis with code disk, Ideal for DIY.
This car is the tachometer encoder.
With a 4 AA battery box (batteries not included).
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Worm gears are used when large gear reductions are needed. It is common for worm gears to have reductions of 20:1, and even up to 300:1 or greater.
Features:
Pitch Diameter=40 mm.
Length=32mm.
Center Shaft Diameter=6 mm.
Applications:
Gate control mechanisms.
Hoisting ..