MFA Hummingbird "15"
| Prop | Volts | Amps | rpm | Watts | Efficiency |
| none | 7.0 | 1.0 | 14300 | 7 | 0% |
| GWS EP5030 | 7.0 | 4.4 | 12970 | 31 | 72% |
| GWS EP7035 | 7.0 | 8.6 | 11660 | 60 | 75% |
| APCE 6x5.5 | 7.0 | 12.1 | 10900 | 84 | 72% |
| APC 7x4 | 7.0 | 14 | 10410 | 98 | 70% |
| CAMF 7.5x4 | 7.0 | 14.8 | 10070 | 104 | 69% |
| APCE 7x5 | 7.0 | 16.4 | 9688 | 114 | 67% |
| APC 7x5 | 7.0 | 17.3 | 9494 | 121 | 65% |
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