A 3D-printed tricopter/fixed-wing hybrid VTOL aircraft designed for R/C, FPV, and UAV experimentation.
MiniHawk VTOL is a 3D-printed hybrid unmanned aerial vehicle that combines tricopter hovering with fixed-wing forward flight. It provides an open-source, accessible platform for hobbyists, researchers, and educators to experiment with VTOL technology, autonomous flight, and custom UAV modifications. The project includes full mechanical artwork, build instructions, and flight controller configurations.
RC plane and drone enthusiasts, FPV pilots, UAV researchers, and makers interested in building and experimenting with VTOL aircraft without proprietary or expensive commercial platforms.
Developers choose MiniHawk VTOL because it offers a completely open-source, reproducible design with detailed documentation and active community support. Its 3D-printed nature makes it affordable and customizable, while its integration with popular flight stacks like ArduPilot enables advanced autonomous VTOL capabilities typically found in more expensive systems.
Artwork for the MiniHawk VTOL, a 3D-Printed Tricopter/Fixed-wing hybrid aircraft.
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All airframe parts are optimized for FDM/FFF printers with provided STLs and printing guidelines, drastically reducing manufacturing cost and enabling at-home production.
Includes detailed R/C configuration, flight controller connections, and parameter settings for autonomous VTOL missions, transitions, and stabilization, leveraging a mature open-source ecosystem.
Hosted on GitHub with versioned releases, issue tracking, and discussions, fostering collaborative improvements and shared build experiences, as seen in the linked RCGroups threads.
Offers variant parts like FPV hatches, GPS winglets, and bearing/no-bearing nacelles, allowing builders to tailor the aircraft for different use cases without redesigning from scratch.
Build process requires precise bonding, reaming of holes, and servo mounting with hot-melt adhesive—which the README admits is a 'terrible' method—demanding patience and intermediate to advanced crafting skills.
The README warns of version instability and points to a development branch for updated instructions, creating confusion with split build steps and outdated images, making it harder for newcomers to follow.
The 3D-printed PLA airframe alone weighs over 460g, leading to an all-up weight of 1000-1200g, which handicaps hover efficiency and flight endurance, as noted in the README's remarks.