Originally posted by !! Shawn
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Most people are making it out to be huge and indestructible. The average thickness is between .020"-.150" (that's being generous) for an engine aircraft. The damn thing has to be light weight.
The majority of the engine is made out of nickel based stainless steel because it's cheaper, easier to repair, stress resistant, temperature resistant and light weight. The airframe is made out of aluminum, at least 80% of all modern aircraft airframes are high strength aluminum. 4043 is a standard aluminum (AMS 4190) and Stainless 347 (AMS 5512) account for at least 90% of the metal found in an aircraft...
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