Calibrate This...

[EMCSQUAR]

I would hate to see how he calibrates the compass on this rig - This crazy hobbyist built a flyable 54-rotor personal helicopter from drone parts

 

[Kilrah]

He doesn't, no need for a compass when you're inside

 

[Kauaigene]

He doesn't, no need for a compass when you're inside

However large attachments are required !

 

[Black Sky]

Wow he built a ride on grass blower! Needs a flight control system and the props grouped at the corners?

 

[UAV Man]

This is English invention at its best, Nerd, Shorts, Socks, Slippers and Umbrella.... LMAO..