NASA Ingenuity Helicopter - An RC Helicopter Enthusiast's Thoughts

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As an RC helicopter enthusiast, the NASA Ingenuity helicopter has intrigued me so much, I decided to build my own little flying RC model of one.

Over and above showing what a little RC Ingenuity coaxial helicopter might be like, what I really wanted to show is a comparison of the similar and not so similar rotor system components between NASA/JPL's Ingenuity and a standard collective pitch RC helicopter of roughly the same size. In this case, a 500 size RC heli that has a rotor diameter of 1150mm which is very close to the 1200mm rotor diameter on the Ingenuity Mars helicopter.

It's really cool there are actually a fair number of mechanical similarities between these two vastly different applications along with the exotically hostile Mars atmosphere, cosmic radiation, and 38% earth's gravity in which Ingenuity will have to fly.

So if you're an RC helicopter enthusiast, or just love science and Mars rover missions in general, or NASA's Perseverance mission specifically; hopefully you'll find this information a little entertaining, while giving you a few ideas if you want to build your own Ingenuity RC helicopter to fly around.

The fiddliest & most time consuming aspect of my little RC Ingenuity build was cutting & fitting the Mylar film over the 3D printed PLA frame. Mylar doesn't take any sort of glue well but tape works pretty good (both Mylar & clear).

Useful Links Below:

- NASA's Ingenuity Page:
https://www.nasa.gov/feature/jpl/6-things-to-know-about-nasas-ingenuity-mars-helicopter

- JPL's Ingenuity Press Kit Page:
https://www.jpl.nasa.gov/news/press_kits/mars_2020/ingenuity/landing/

- RC Helicopter Fun's Micro Coaxial Helicopter Page:
https://www.rchelicopterfun.com/coaxial-rc-helicopters.html

- RC Helicopter Fun's DFC Page:
https://www.rchelicopterfun.com/DFC.html

Video Chapter Time Index:
- Intro 0:00
- Why choose a coaxial helicopter for Mars 1:08
- The Ingenuity's rotor system up close 2:14
- Ingenuity's swashplate components 4:08
- The main mast 5:00
- Brushless direct drive motors 5:17
- Swashplates & Ingenuity's DFC control linkages 6:14
- Ingenuity rotor and swashplate locking arms 6:59
- Yaw control on coaxial fixed pitch vs collective pitch 8:03
- Little RC Ingenuity Test Flight 9:20

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