World's Largest RC Helicopter Vs. 100 Airplanes

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Thanks to PCBWay for sponsoring this video--check out their website for an instant quote on custom PCBs, 3D printing, or even CNC machined parts: https://www.pcbway.com/?from=Nicholas

I built the world’s largest electric RC helicopter for the sole purpose of destroying it in aerial combat against 100 other RC airplanes at Flite Fest 2024. Chaos definitely ensued, but only after I nearly lost my sanity getting everything working.

*Patreon:* https://www.patreon.com/NicholasRehm
*Free 3D print files on my website:* https://www.drehmflight.com/
*Flite Test’s video on this project:* https://www.youtube.com/watch?v=fGqlhI_vanM
*Michael’s FPV Motion Simulator:* https://www.youtube.com/watch?v=RUl8RUT7FV0
*Peter's Flite Fest Video:* https://www.youtube.com/watch?v=6v_o_zH6UJQ

Thanks to EMAX USA for sponsoring the power system for this project!
Motors I used: https://emax-usa.com/products/pro-series-2814-730kv-brushless-motor
ESCs I used: https://emax-usa.com/collections/electronics/products/emax-formula-series-45a-esc-support-blheli-32-2-5s

Tip-jet helicopters are an old design that never really gained popularity due to their noise levels and issues arising from fuel plumbing through the rotor head. Electric propulsion fixes both of these problems, making an overbuilt electric tip-prop helicopter the perfect candidate for a giant RC combat helicopter. Despite the absurdity of this project, there was still quite a bit of engineering involved, from the structural components to the control system design. It even involved some engineering logistics to get a 15ft helicopter halfway across the country and set up in time for Flite Fest 2024. If you enjoyed this video and want to stay up to date with future crazy flying contraptions, don’t forget to subscribe!

Intro & Background: 00:00
Blades Build: 02:41
Hub Build: 05:39
De-spun Fuselage: 06:20
Roll & Pitch Control: 08:39
Finishing Build & Full Assembly: 09:25
Re-Assembly at Flite Fest: 11:39
Prep for Flight 1: 13:32
Flight Attempt 1: 14:48
Field Repairs: 16:21
Flight Attempt 2: 18:02
Flight Attempt 3: 22:37
Conclusions & THANK YOU!: 25:03

#Quadichopter