Chapter 3. Anatomy of a Drone
Standard Prop
The same “tractor” propeller used on standard front-engine R/C airplanes. In orange in the diagram above.
“Pusher” Prop
These contra-rotating props exactly cancel out motor torques during stationary level flight. Opposite pitch gives downdraft. In dark grey in the diagram above.
Motor
Usually a brushless electric “outrunner” type, which is more efficient, more reliable, and quieter than a brushed motor (Figure 3-1).
Figure 3-1. Motor
Motor Mount
Sometimes built into combination fittings with landing struts (Figure 3-2).
Figure 3-2. Close-up of motor mount ...
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