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Frame size, motors, props, and battery matching

Track: Drone Building & Smartphone Control Β· Duration: 38 min

Video lesson

Videos stream from YouTube. To use your own uploads, host on YouTube (or another embed-capable host) and set video_embed per lesson or edit defaults in academy-drone-track.php / Academy Admin.

Course reader

Frame size, motors, props, and battery matching

Drone workbook β€” build, tune, regulations, and smartphone apps next to the video.

Frame classes

  • 3"–5" quads are common for freestyle; larger carries heavier batteries and payloads.
  • Thrust-to-weight > 2:1 is a rough sport target β€” verify with motor charts.

Battery

  • Cell count (4S/6S) must match ESC rating and motor KV.
  • Use a smoke stopper or careful first power-on to catch shorts.

More tutorials: Open video search on YouTube

Lesson quiz

Each attempt uses a random set of questions with shuffled answer choices. Pass at 70% or higher to mark the lesson complete.

Draw a new random quiz

1. Motor KV and battery cell count must:
2. Thrust-to-weight ratio matters for:
3. A smoke stopper / current-limited first power-on helps:

Your Progress

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