E-flite - 250
Specifications
- Type: Outrunner
- Weight: 16.00g (0.56oz)
- Maximum Amps: 8
Constants
- kV: 2195
- Rm: 0.47
- Io: 0.71
Io Test Data
Dr Kiwi test results
| Volts | Amps | RPM |
|---|---|---|
| 6.03 | 0.41 | 12930 |
| 8.03 | 0.54 | 17100 |
| 10.01 | 0.71 | 21180 |
Test Data
Dr Kiwi test results
| Propeller | Gear Ratio | Volts | Amps | Watts | RPM | Speed (mph) | Thrust (g) | Thrust (oz) | RPM as % of Kv*V |
|---|---|---|---|---|---|---|---|---|---|
| GWS DD 4x2.5 | 1 | 7 | 2 | 14 | 13560 | 32.1 | 86 | 3.03 | 88% |
| GWS DD 4x2.5 | 1 | 7.4 | 2.15 | 15 | 14340 | 34.0 | 96 | 3.39 | 88% |
| GWS DD 4x2.5 | 1 | 7.9 | 2.4 | 18 | 15240 | 36.1 | 109 | 3.84 | 88% |
| GWS DD 4x2.5 | 1 | 8.9 | 2.85 | 25 | 16770 | 39.7 | 131 | 4.62 | 86% |
| GWS DD 4x2.5 | 1 | 10 | 3.3 | 33 | 18390 | 43.5 | 158 | 5.57 | 84% |
| GWS DD 4x2.5 | 1 | 11 | 3.9 | 42 | 19740 | 46.7 | 184 | 6.49 | 82% |
| GWS HD 4x4 | 1 | 7 | 3.15 | 22 | 12600 | 47.7 | 93 | 3.28 | 82% |
| GWS HD 4x4 | 1 | 7.4 | 3.35 | 24 | 13170 | 49.9 | 101 | 3.56 | 81% |
| GWS HD 4x4 | 1 | 7.9 | 3.7 | 29 | 13860 | 52.5 | 113 | 3.99 | 80% |
| GWS HD 4x4 | 1 | 8.9 | 4.4 | 39 | 15270 | 57.8 | 137 | 4.83 | 78% |
| GWS HD 4x4 | 1 | 9.9 | 5.2 | 51 | 16560 | 62.7 | 161 | 5.68 | 76% |
| GWS HD 4x4 | 1 | 10.9 | 5.85 | 63 | 17610 | 66.7 | 182 | 6.42 | 74% |
| APC E 4.2x4 | 1 | 7 | 3.15 | 22 | 12540 | 47.5 | 90 | 3.17 | 82% |
| APC E 4.2x4 | 1 | 7.4 | 3.45 | 25 | 13110 | 49.7 | 99 | 3.49 | 81% |
| APC E 4.2x4 | 1 | 7.9 | 3.8 | 30 | 13890 | 52.6 | 111 | 3.92 | 80% |
| APC E 4.2x4 | 1 | 8.9 | 4.45 | 39 | 15150 | 57.4 | 133 | 4.69 | 78% |
| APC E 4.2x4 | 1 | 9.9 | 5.25 | 51 | 16410 | 62.2 | 156 | 5.50 | 76% |
| APC E 4.2x4 | 1 | 10.9 | 6 | 65 | 17490 | 66.2 | 181 | 6.38 | 73% |
| GWS HD 4.5x4 | 1 | 7 | 3.25 | 22 | 12390 | 46.9 | 136 | 4.80 | 81% |
| GWS HD 4.5x4 | 1 | 7.4 | 3.5 | 25 | 13020 | 49.3 | 150 | 5.29 | 80% |
| GWS HD 4.5x4 | 1 | 7.9 | 3.9 | 30 | 13770 | 52.2 | 170 | 6.00 | 79% |
| GWS HD 4.5x4 | 1 | 8.9 | 4.55 | 40 | 15000 | 56.8 | 203 | 7.16 | 77% |
| GWS HD 4.5x4 | 1 | 9.9 | 5.35 | 52 | 16230 | 61.5 | 239 | 8.43 | 75% |
| GWS HD 4.5x4 | 1 | 10.9 | 6.15 | 67 | 17310 | 65.6 | 269 | 9.49 | 72% |
| APC E 4.5x4.1 | 1 | 7 | 3.65 | 25 | 12090 | 46.9 | 120 | 4.23 | 79% |
| APC E 4.5x4.1 | 1 | 7.4 | 3.95 | 29 | 12540 | 48.7 | 130 | 4.59 | 77% |
| APC E 4.5x4.1 | 1 | 7.9 | 4.35 | 34 | 13290 | 51.6 | 147 | 5.19 | 77% |
| APC E 4.5x4.1 | 1 | 8.9 | 5.15 | 45 | 14490 | 56.3 | 179 | 6.31 | 74% |
| APC E 4.5x4.1 | 1 | 9.9 | 5.9 | 58 | 15660 | 60.8 | 207 | 7.30 | 72% |
| Propeller | Gear Ratio | Volts | Amps | Watts | RPM | Speed (mph) | Thrust (g) | Thrust (oz) | RPM as % of Kv*V |
| APC E 4.5x4.1 | 1 | 10.9 | 6.85 | 74 | 16650 | 64.6 | 238 | 8.40 | 70% |
| GWS HD 5x3 | 1 | 7 | 3.05 | 21 | 12690 | 36.0 | 146 | 5.15 | 83% |
| GWS HD 5x3 | 1 | 7.4 | 3.25 | 24 | 13260 | 37.7 | 157 | 5.54 | 82% |
| GWS HD 5x3 | 1 | 7.9 | 3.6 | 28 | 14010 | 39.8 | 176 | 6.21 | 81% |
| GWS HD 5x3 | 1 | 8.9 | 4.25 | 37 | 15360 | 43.6 | 214 | 7.55 | 79% |
| GWS HD 5x3 | 1 | 9.9 | 4.9 | 48 | 16680 | 47.4 | 252 | 8.89 | 77% |
| GWS HD 5x3 | 1 | 10.9 | 5.6 | 61 | 18000 | 51.1 | 292 | 10.30 | 75% |
| Graupner 5x4 | 1 | 7 | 6.05 | 42 | 9900 | 37.5 | 191 | 6.74 | 64% |
| Graupner 5x4 | 1 | 7.4 | 6.6 | 48 | 10320 | 39.1 | 209 | 7.37 | 64% |
| GWS HD 5x4.3 | 1 | 7 | 4.85 | 33 | 11070 | 45.1 | 163 | 5.75 | 72% |
| GWS HD 5x4.3 | 1 | 7.4 | 5.3 | 39 | 11580 | 47.1 | 182 | 6.42 | 71% |
| APC E (Broad) 5.1x4.5 | 1 | 7 | 5.75 | 40 | 10140 | 43.2 | 185 | 6.53 | 66% |
| APC E (Broad) 5.1x4.5 | 1 | 7.4 | 6.1 | 45 | 10440 | 44.5 | 196 | 6.91 | 64% |
| Zagi Carbon 5.1x4.9 | 1 | 7 | 5.1 | 35 | 10710 | 49.7 | 174 | 6.14 | 70% |
| Zagi Carbon 5.1x4.9 | 1 | 7.4 | 5.5 | 40 | 11070 | 51.4 | 187 | 6.60 | 68% |
| APC E 5.5x4.5 | 1 | 7 | 5.65 | 39 | 10230 | 43.6 | 160 | 5.64 | 67% |
| APC E 5.5x4.5 | 1 | 7.4 | 6 | 44 | 10590 | 45.1 | 171 | 6.03 | 65% |
| APC 5.7x3 | 1 | 7 | 4.65 | 32 | 11250 | 32.0 | 167 | 5.89 | 73% |
| APC 5.7x3 | 1 | 7.4 | 5 | 37 | 11640 | 33.1 | 187 | 6.60 | 72% |
| GWS HD 6x3 | 1 | 7 | 4.6 | 32 | 11220 | 31.9 | 219 | 7.72 | 73% |
| GWS HD 6x3 | 1 | 7.4 | 4.85 | 35 | 11580 | 32.9 | 235 | 8.29 | 71% |
| APC E 6x4 | 1 | 7 | 6 | 42 | 9780 | 37.0 | 188 | 6.63 | 64% |
| APC E 6x4 | 1 | 7.4 | 6.35 | 46 | 10170 | 38.5 | 204 | 7.20 | 63% |
| GWS RS 6x5 | 1 | 7 | 7.6 | 53 | 8550 | 40.5 | 222 | 7.83 | 56% |
| GWS RS 6x5 | 1 | 7.4 | 8.05 | 59 | 8700 | 41.2 | 227 | 8.01 | 54% |
| APCE 6x5.5 | 1 | 7 | 7 | 49 | 8730 | 45.5 | 176 | 6.21 | 57% |
| APCE 6x5.5 | 1 | 7.4 | 7.65 | 56 | 9000 | 46.9 | 195 | 6.88 | 55% |
| GWS HD 7x3.5 | 1 | 7 | 5.65 | 39 | 10200 | 33.8 | 258 | 9.10 | 66% |
| GWS HD 7x3.5 | 1 | 7.4 | 6.05 | 44 | 10590 | 35.1 | 280 | 9.88 | 65% |
| APC SF 7x4 | 1 | 7 | 7.9 | 55 | 7830 | 29.7 | 231 | 8.15 | 51% |
| Propeller | Gear Ratio | Volts | Amps | Watts | RPM | Speed (mph) | Thrust (g) | Thrust (oz) | RPM as % of Kv*V |
| GWS HD 8x4 | 1 | 7 | 6.45 | 45 | 7050 | 26.7 | 271 | 9.56 | 46% |