Quick answer
The Gear 24 Teeth #3648 is a mid-range gear that offers a balanced trade-off between speed and torque. It works well for builds that need moderate speed without sacrificing too much torque, but it is not ideal for high-speed or high-torque extremes.
Why gear selection matters for speed and torque
In any Circuit Cubes build, the gear ratio directly determines how fast your robot moves and how much force it can apply. A larger driven gear (more teeth) increases torque but reduces speed; a smaller driven gear does the opposite. The 24-tooth gear sits near the middle of the typical range, making it a versatile choice for many projects.
Trade-offs of using the 24-tooth gear
When paired with a smaller drive gear (e.g., 8-tooth), the 24-tooth gear creates a 3:1 ratio that boosts torque by about 3x while cutting speed to one-third. This is great for climbing or pushing heavy loads. Conversely, pairing it with a larger drive gear (e.g., 40-tooth) yields a 0.6:1 ratio, increasing speed but reducing torque. The 24-tooth gear itself does not dictate the ratio—it depends on what you pair it with.
Gear 24 Teeth #3648 trade-offs at a glance
- Speed-focused build: Use the 24-tooth gear as the driven gear with a larger drive gear (e.g., 40-tooth) to get a ratio under 1:1, increasing output speed. Best for lightweight racers or spinning mechanisms.
- Torque-focused build: Use the 24-tooth gear as the driven gear with a smaller drive gear (e.g., 8-tooth) to get a ratio over 1:1, multiplying torque. Ideal for robots that need to push or lift.
- Balanced all-rounder: Pair the 24-tooth gear with another 24-tooth gear for a 1:1 ratio, giving equal speed and torque. Good for simple test platforms or projects where performance is not critical. The 24-tooth gear is a flexible middle option, but for extreme speed or torque, consider gears with more or fewer teeth.
Product details
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Gear - 24 Teeth - #3648: This listing is for a single replacement Gear with 24 teeth, part number #3648, from Tenka Inc. It is offered as an individual part in the Parts category. Having a single replacement gear lets you fine-tune gear ratios without buying a full set, saving money when you only need one specific tooth count.
Gear - 24 Teeth - #3648
Who should use the Gear 24 Teeth #3648?
Best for
- Builders who want a versatile gear that can adapt to different ratios with simple swaps
- Projects that need moderate speed and moderate torque, such as a basic wheeled robot
Not ideal for
- High-speed builds where a smaller driven gear (e.g., 8-tooth) would give better top speed
- High-torque applications where a larger driven gear (e.g., 40-tooth) would provide more pulling power
