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Why the CRJ200's lack of HEPA filter doesn't matter
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The explanation could have been:
1- In most airplanes part of the air is renewed (new outside air comes in, "used" cabin air goes out) and part is recirculated.
2- For the recirculated air, HEPA filters are used to clean the recirculated air and eliminate most virus and bacteria in the process.
3- The CRJ-200 doesn't recirculate air. It renews 100% of the air.
4- No recirculated air = no need to filter recirculated air = no need of HEPA (or any) filter.
I am not particular renowned for my succinites. But this one was a no-brainer.
--- Judge what is said by the merits of what is said, not by the credentials of who said it. ---
--- Defend what you say with arguments, not by imposing your credentials ---
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Originally posted by ATLcrew View PostLack of HEPA filters is the least of one's worries with a -100/200. Also, this gentleman with his "8 years of aviation maintenance experience" doesn't seem to know what Delta P actually is, but then again, this is the internet.
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Originally posted by Gabriel View PostThe explanation could have been:
1- In most airplanes part of the air is renewed (new outside air comes in, "used" cabin air goes out) and part is recirculated.
2- For the recirculated air, HEPA filters are used to clean the recirculated air and eliminate most virus and bacteria in the process.
3- The CRJ-200 doesn't recirculate air. It renews 100% of the air.
4- No recirculated air = no need to filter recirculated air = no need of HEPA (or any) filter.
I am not particular renowned for my succinites. But this one was a no-brainer.
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Originally posted by mtrainer90 View Post
Yeah I tried explaining it like that in the forum where people originally had questions. Most still didnt quite grasp the concept so I made something more in depth with pictures.
--- Judge what is said by the merits of what is said, not by the credentials of who said it. ---
--- Defend what you say with arguments, not by imposing your credentials ---
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Originally posted by ATLcrew View Post
That's not a "little thing", bud. But you do you.
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