We all know that carbon ceramic matrix is the best and lightest.
We all know true carbon dont warm up too good and is best left on the track.
Aluminum is made but can not be used.
Titanium isnt made and probably cant be used.
But has anyone considered IRON I was looking at material density and thought to my self hmmm. If a light weight design was employed into an iron rotor like a stainless one. would it fly apart? A wild idea is that clutches use replacable plates. couldn't an iron aluminum disc be made out of an aluminum disc and rings cut from an iron disc. Hmm yes iron... Expansion is close to aluminum it wears like iron and honestly its lighter than steel.
At least thats what Ive been reading. Correct me if Im drunk/tired or stupid.
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I need to add. If anyone is close to anywhere that services high performance aircraft. Grab a heat stack. A genius made a rotor out of a good disc in a dead stack. I believe for a tlr a real sick custom one and he has been running it at least a year by his posts.