3000KV motor on a 4S LiPo
A 3000KV motor on 4S turns about 44,400 RPM at 14.8 V nominal and 50,400 RPM on a fresh 16.8 V pack. Geared at 12:1 on 4.3 in tires, that is a 47.3 mph ceiling.
OVONIC 4S LiPo Battery 6500mAh 14.8V 130C RC Battery with XT60
- 4S
- 6500mAh
A 4S LiPo is 14.8 V nominal and 16.8 V full, which is what sets the RPM on this page.
$78.99 listed price, changes often
Check price on AmazonWhat RPM does 3000KV make on 4S?
| Pack state | Volts | Motor RPM |
|---|---|---|
| Nominal (3.7 V per cell) | 14.8 V | 44,400 |
| Fresh off the charger (4.2 V per cell) | 16.8 V | 50,400 |
A middle pairing that suits several 1/10 and 1/8 platforms depending on gearing. KV is unloaded RPM per volt, so real RPM under load is lower. See RC motor KV explained.
What top speed can 3000KV on 4S reach?
Theoretical ceiling in mph by final drive ratio and example tire diameter. Real cars usually reach about 85 percent. Measure your own tires and use the top speed calculator for an exact figure.
| FDR | 3 in 1/18 to 1/16 truck | 4.3 in 1/10 short course or stadium truck | 5.5 in 1/10 monster truck | 4.4 in 1/8 buggy | 6.3 in 1/8 monster truck (3.8 in wheel) |
|---|---|---|---|---|---|
| 6:1 | 66 | 94.7 | 121.1 | 96.9 | 138.7 |
| 8:1 | 49.5 | 71 | 90.8 | 72.6 | 104 |
| 10:1 | 39.6 | 56.8 | 72.6 | 58.1 | 83.2 |
| 12:1 | 33 | 47.3 | 60.5 | 48.4 | 69.3 |
| 16:1 | 24.8 | 35.5 | 45.4 | 36.3 | 52 |
| 25:1 | 15.9 | 22.7 | 29.1 | 23.2 | 33.3 |
| 40:1 | 9.9 | 14.2 | 18.2 | 14.5 | 20.8 |
Other cell counts for 3000KV
Other motors on 4S
Motors near this KV and packs for this cell count
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Frequently asked questions
How fast is a 3000KV motor on 4S?
The motor spins about 44,400 RPM unloaded at 14.8 V. Road speed depends on gearing and tire size: at a 12:1 final drive with 4.3 in tires the theoretical ceiling is 47.3 mph, and real cars usually reach 80 to 90 percent of that. The table on this page shows the ceiling across common gearing and tire sizes.
Can I run a 3000KV motor on 4S?
Only if the motor and ESC are rated for 4S and the full-charge RPM of 50,400 is within the motor's maximum. This pairing passes 50,000 RPM on a fresh pack, which exceeds the rating of many 1/10 motors, so check the specification carefully. Gear conservatively at first and check temperatures after a few minutes.
RCCarCalc is researched guidance, not professional advice. Figures come from published manufacturer specifications, listings and verified owner reports, not hands-on testing. Speeds are theoretical or as listed; real results depend on gearing, battery, tires and terrain. See how we research.