Chapter 4. Improve the Hubsan X4
The Hubsan X4 series includes some of the most popular micro-sized quadcopters available (Figure 4-1). They come in a variety of versions ranging from plain to those with live video feeds, but they are all about the same size, and they feel very similar to fly. Spare parts—including props, batteries, motors, frames, and controllers—are inexpensive and widely available.
This is all great for learning to fly and for everyday stick time, but as makers we always want a little more than the manufacturer specs give us. In this chapter, therefore, ...
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