Grayson - MonsterJet P21
Specifications
- Type: Inrunner
- Weight: 96.00g (3.39oz)
- Diameter: 35.35mm (1.39in)
- Length: 34.75mm (1.37in)
- Shaft Diameter: 4.00mm (0.16in)
- Maximum Amps: 45
Constants
- kV: 2235
- Rm: 0.076
- Io: 3.6
Io Test Data
Dr Kiwi test results
| Volts | Amps | RPM |
|---|---|---|
| 7 | 3.05 | 15130 |
| 8 | 3.2 | 17760 |
| 10 | 3.6 | 21400 |
Test Data
Dr Kiwi test results
| Propeller | Gear Ratio | Volts | Amps | Watts | RPM | Speed (mph) | Thrust (g) | Thrust (oz) | RPM as % of Kv*V |
|---|---|---|---|---|---|---|---|---|---|
| EMP 4.1x4.1 | 1 | 6.9 | 7.05 | 48 | 14220 | 55.2 | 132 | 4.66 | 92% |
| EMP 4.1x4.1 | 1 | 7.8 | 8.3 | 64 | 16020 | 62.2 | 170 | 6.00 | 92% |
| EMP 4.1x4.1 | 1 | 8.8 | 9.6 | 84 | 17880 | 69.4 | 216 | 7.62 | 91% |
| EMP 4.1x4.1 | 1 | 9.7 | 11.05 | 107 | 19650 | 76.3 | 259 | 9.14 | 91% |
| EMP 4.1x4.1 | 1 | 10.6 | 13.15 | 139 | 21540 | 83.6 | 311 | 10.97 | 91% |
| Zagi Carbon 5.1x4.9 | 1 | 6.8 | 9.7 | 65 | 13710 | 63.6 | 259 | 9.14 | 90% |
| Zagi Carbon 5.1x4.9 | 1 | 7.7 | 11.6 | 89 | 15330 | 71.1 | 326 | 11.50 | 89% |
| Zagi Carbon 5.1x4.9 | 1 | 8.6 | 13.8 | 118 | 17040 | 79.1 | 404 | 14.25 | 89% |
| Zagi Carbon 5.1x4.9 | 1 | 9.6 | 16.1 | 154 | 18660 | 86.6 | 484 | 17.07 | 87% |
| Zagi Carbon 5.1x4.9 | 1 | 10.6 | 18.6 | 197 | 20190 | 93.7 | 569 | 20.07 | 85% |
| APC E 6x4 | 1 | 6.7 | 11.9 | 79 | 13260 | 50.2 | 345 | 12.17 | 89% |
| APC E 6x4 | 1 | 7.6 | 14.35 | 109 | 14820 | 56.1 | 436 | 15.38 | 87% |
| APC E 6x4 | 1 | 8.6 | 17.1 | 147 | 16380 | 62.0 | 538 | 18.98 | 85% |
| APC E 6x4 | 1 | 9.6 | 20.3 | 194 | 17880 | 67.7 | 640 | 22.58 | 83% |
| APC E 6x4 | 1 | 10.4 | 23.6 | 245 | 19260 | 73.0 | 747 | 26.35 | 83% |
| APC E 6x4 | 1 | 11.1 | 25.6 | 284 | 20040 | 75.9 | 794 | 28.01 | 81% |
| APC E 6x4 | 1 | 11.2 | 26.7 | 299 | 20250 | 76.7 | 820 | 28.92 | 81% |
| APC E 6x5.5 | 1 | 7.3 | 18.5 | 135 | 13250 | 69.0 | 406 | 14.32 | 81% |
| APC E 6x5.5 | 1 | 10.6 | 30.7 | 325 | 18390 | 95.8 | 782 | 27.58 | 78% |
| APC E 6x5.5 | 1 | 11.1 | 33.6 | 372 | 19050 | 99.2 | 840 | 29.63 | 77% |
| APC E 7x5 | 1 | 7 | 24.5 | 171 | 12030 | 57.0 | 679 | 23.95 | 77% |
| APC E 7x5 | 1 | 10.4 | 43.7 | 454 | 16050 | 76.0 | 1208 | 42.61 | 69% |
| APC Sport 7x7 | 1 | 6.9 | 26.7 | 184 | 11430 | 75.8 | 543 | 19.15 | 74% |
| APC Sport 7x7 | 1 | 10.1 | 43 | 434 | 15570 | 103.2 | 1036 | 36.54 | 69% |
| APC Sport 7x7 | 1 | 10.5 | 45.6 | 478 | 15780 | 104.6 | 1082 | 38.17 | 67% |