Designing Purpose-Built Drones for Ardupilot Pixhawk 2.1

Rails are awesome

Rails have been used in the television and film industry for a very long time. Simply put, they're a standardized system for mounting accessories. In fact, rails (in several different forms) are used in everything from firearms (picatinny rails for sights, flashlights, lasers, and other accessories) to cinema cameras (for matte boxes, follow focus, monitors, external hard drives, and so on). Rails for drones are the center of a drone. All major hardware is attached to the rails. The main airframe, the landing gear, the gimbal, and even in most cases, the batteries are mounted to the rails. You can see the rails for our drone in the following image:

Here, you can see the two carbon fiber tubes (the rails) with the airframe ...