Etarfri Æsir: The 4 inch Quadcopter

thingiverse

https://youtu.be/PKqGjCmEUao <h1> Etafri Æsir - The Endurance 4" Quadcopter </h1> <h3> Æsir is a compact, high endurance quadcopter for long range flying and cinematography. Æsir is powered by two high-capacity Lithium-Ion batteries; with a flight time of over 30 minutes. This small endurance drone has excellent performance, high-speed, and a unique form factor making it a superb all-round quadcopter. </h3> <h3> Update: 18/04/21 </h3> <h4> Added a new configuration option based on desire to use Æsir with more flexible battery options. Created a new 'universal battery bay', which with the use of a traditional strap, can attach any battery within the undercarriage of Æsir. This part is external to the zip folder - download separately </h4> <h4> Features: </h4> - <h4>Over 30 min flight time: on 2S 4000 mAh Li-Ion 21700 batteries</h4> - <h4>Aerodynamic form balancing the drone components between the frame</h4> - <h4>Low-centre of mass for stable and efficient forward flight</h4> - <h4>Ability to carry either FPV or GoPro mount-style cameras</h4> - <h4>High stability with vibration absorbing dampers</h4> - <h4>Super-easy recharging with a standard 18650-21700 battery charger</h4> - <h4>Flexible component usage and electronics mounts</h4> - <h4>Highly miniature and lightweight design: 275g full weight</h4> - <h4>Entirely 3D-printable. Frame can be also purchased: based on iFlight F4 frame</h4> </h4>