UAV design
Development of 7-inch and 5-inch drones
A comparison build of 5-inch and 7-inch multirotor platforms, trading agility against endurance through propulsion matching and centre-of-gravity optimisation.
The requirement
The problem this answered.
Agility and endurance are opposing goals in a multirotor. Building both classes made the trade measurable instead of theoretical.
Constraints and operating environment: Comparative flight testing of both airframes.
Vebix scope
What we did.
This project developed and compared 5-inch and 7-inch multirotor platforms. The 5-inch platform focused on agility, rapid response, and high-speed manoeuvres, while the 7-inch platform was optimised for efficiency, endurance, and payload-carrying stability.
Propulsion selection, motor-propeller matching, and centre-of-gravity optimisation were central considerations. Flight-time, responsiveness, and stability testing informed subsequent design refinements.
- Discipline
- UAV design and propulsion
- Classes
- 5-inch and 7-inch multirotor
- Focus
- Agility against endurance and payload
Project visuals
From the build.


Related
The services and components behind this work.
More work
Other projects.
This is one of the engineering projects Vebix Automation has delivered. The full portfolio covers robotics, unmanned platforms, cable assemblies, data-acquisition systems and custom mechanical design.
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