JT8108 KV85 for multi-rotor motor
● PARAMETERS
LiPo Cells:
Weight:
285+/-10
Slots/Poles:
36N42P
Max Current / Power:
Recommended ESC:
● MOTOR KV
NOTE
Thrust performance varies by propeller, voltage, and test conditions. See the test table below.
Custom KV, appearance, and color options are available for OEM/ODM projects.
Motor Technical Drawing & Dimensions
85 Version Specifications
| Motor Diameter (mm) | 87+/-0.15 | |||
| Motor Length (mm) | 25+/-0.5 | |||
| No.of Slots／Poles | 36N42P | |||
| Motor KV (RPM/V) | 80+/-5% | |||
| Free-Load Current（A/@20V） | 0.7Max | |||
| Phase to Phase Resistance（25℃，mΩ） | 183+/-7% | |||
| Max continuous Current/Power(A/W@46V) | 35.3/1623.8 | |||
| Temperature at Max Continuous Current（℃） | 86.7 | |||
| Max Current/Power(A/W@46V) | 41/1886（15s Max） | |||
| Weight(g) | 285+/-10 | |||
| Recommended Lipo Cells | 14S | |||
| Recommended ESC | 12S/ 80A | |||
| Recommended Propeller | 3090 | |||
| Maximum Operating Temperature of the Magnet (℃) | 150(Recommended Max 120℃) | |||
| Motor Torque Constant（Kt，g.cm/A) | 1262 | |||
| Motor Constant (Cn，rpm/g.cm） | 0.03 | |||
85 Performance Test Data
| Motor Propeller | Throttle （%） | Voltage （V） | Thrust （g） | Current (A) | Power (W) | Effciency (g/w) |
| HS8108（ KV80) 3090 | 30% | 46 | 2120 | 2.9 | 133.4 | 15.89 |
| 35% | 46 | 2500 | 3.7 | 170.2 | 14.69 | |
| 40% | 46 | 3000 | 4.7 | 216.2 | 13.88 | |
| 45% | 46 | 3380 | 5.7 | 262.2 | 12.89 | |
| 50% | 46 | 3660 | 6.7 | 308.2 | 11.88 | |
| 55% | 46 | 4000 | 7.8 | 358.8 | 11.15 | |
| 60% | 46 | 4410 | 8.9 | 409.4 | 10.77 | |
| 65% | 46 | 4700 | 10.0 | 460 | 10.22 | |
| 70% | 46 | 5060 | 11.3 | 519.8 | 9.73 | |
| 75% | 46 | 5520 | 12.9 | 593.4 | 9.30 | |
| 80% | 46 | 5930 | 14.3 | 657.8 | 9.01 | |
| 85% | 46 | 6290 | 15.8 | 726.8 | 8.65 | |
| 90% | 46 | 6690 | 17.5 | 805 | 8.31 | |
| 95% | 46 | 7200 | 19.8 | 910.8 | 7.91 | |
| 100% | 46 | 7950 | 23.3 | 1071.8 | 7.42 |
85 Performance Curve
