Questions tagged [mig-31]

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3answers
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Can stainless steel replace titanium for Mach 3+ speeds?

In the documentary Wings of Russia: MiG-25 and MiG-31, they mentioned both aircraft had to use special stainless steel alloys and arc welding to withstand the Mach 2.83 - 3.2 speeds. I couldn't help ...
13
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2answers
6k views

What are the differences between the MiG 31 and MiG 25 (if any)?

What are the differences between the MiG 31 and MiG 25, they look exactly the same, their overall performance the same. Is it the roles they were built for are different?