1200KV motor on a 3S LiPo
A 1200KV motor on 3S turns about 13,320 RPM at 11.1 V nominal and 15,120 RPM on a fresh 12.6 V pack. Geared at 12:1 on 4.3 in tires, that is a 14.2 mph ceiling.
RIAARIO 3s Lipo Battery 30C 5000mAh 11.1V Lipo Battery
- 3S
- 5000mAh
A 3S LiPo is 11.1 V nominal and 12.6 V full, which is what sets the RPM on this page.
$59.99 listed price, changes often
Check price on AmazonWhat RPM does 1200KV make on 3S?
| Pack state | Volts | Motor RPM |
|---|---|---|
| Nominal (3.7 V per cell) | 11.1 V | 13,320 |
| Fresh off the charger (4.2 V per cell) | 12.6 V | 15,120 |
This is crawler territory: low KV for torque and fine throttle control at walking pace. KV is unloaded RPM per volt, so real RPM under load is lower. See RC motor KV explained.
What top speed can 1200KV on 3S 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 | 19.8 | 28.4 | 36.3 | 29.1 | 41.6 |
| 8:1 | 14.9 | 21.3 | 27.2 | 21.8 | 31.2 |
| 10:1 | 11.9 | 17 | 21.8 | 17.4 | 25 |
| 12:1 | 9.9 | 14.2 | 18.2 | 14.5 | 20.8 |
| 16:1 | 7.4 | 10.6 | 13.6 | 10.9 | 15.6 |
| 25:1 | 4.8 | 6.8 | 8.7 | 7 | 10 |
| 40:1 | 3 | 4.3 | 5.4 | 4.4 | 6.2 |
Other cell counts for 1200KV
Other motors on 3S
- 1400KV on 3S
- 1600KV on 3S
- 2000KV on 3S
- 2200KV on 3S
- 2400KV on 3S
- 2700KV on 3S
- 3000KV on 3S
- 3300KV on 3S
- 3500KV on 3S
- 4000KV on 3S
Motors near this KV and packs for this cell count
Get this list emailed to you
Every pick on this page with its current price in one email, so you can decide later. One email, no sequence.
Frequently asked questions
How fast is a 1200KV motor on 3S?
The motor spins about 13,320 RPM unloaded at 11.1 V. Road speed depends on gearing and tire size: at a 12:1 final drive with 4.3 in tires the theoretical ceiling is 14.2 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 1200KV motor on 3S?
Only if the motor and ESC are rated for 3S and the full-charge RPM of 15,120 is within the motor's maximum. This pairing stays under 50,000 RPM, which most suitable motors handle. 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.