Well, clearly you're not a pilot. :P https://www.theengineer.co.uk/rolls-royce-single-crystal-turbine-blade/ https://www.theengineer.co.uk/rolls-royce-single-c

Well, clearly you're not a pilot. :P https://www.theengineer.co.uk/rolls-royce-single-crystal-turbine-blade/ https://www.theengineer.co.uk/rolls-royce-single-crystal-tur...