Homebuild heli
 

You have to take your hat off, it looks all there!
Fast forward to 5:00 or so for the rotor head... :ok:

Helicopter Lives Matter !

Well they certainly exceed the recommended 1 1/2 threads showing through nuts to be in safety…. By a considerable margin in places. :E I’d love to ‘now how balanced the head is with different length bolts on either side.

Seen worse welding on a Ferrari - what could go wrong?

...reminds me of this (Caution, Very Graphic)

not sure of a helmet would have helped that guy. he took a direct hit.