Here's a glossary of terms that I don't know the meaning of yet:
| ESC | Electronic Speed Controller -- is this good to have? |
| Gyro | To me a Gyro is a device that helps keep an airplane or ship stable and/or at a constant heading. Is a Gyro for a model helicopter the same thing? |
| CCPM | Cyclic-Collective Pitch Mixing (see en.wikipedia.org/wiki/Cyclic/collective_pitch_mixing ) |
| 4-in-1 | This combines a Receiver, Mixer, Gyro and ESC (a 3-in-1 skips the Gyro) |
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