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How Was The Old Airliners Presurrized  
User currently offlineHeadingbug From , joined Dec 1969, posts, RR:
Posted (15 years 3 months 2 weeks 4 days 20 hours ago) and read 2674 times:

hello does anyone knows how the old planes like the connies and the dc6 dc7 were presurized i mean using bleed air form the engines or if they had a separate compresor. I know the modern planes uses bleed air from the engines but the new planes are made out of plastic I do like the old heavy ones those were really planes.

2 replies: All unread, jump to last
User currently offlineJETPILOT From United States of America, joined May 1999, 3130 posts, RR: 27
Reply 1, posted (15 years 3 months 2 weeks 4 days 15 hours ago) and read 2329 times:

The prop liners bled air off the turbochargers used to boost engine performance.


User currently offlineAirgypsy From United States of America, joined Nov 1999, 130 posts, RR: 2
Reply 2, posted (15 years 3 months 2 weeks 1 day 10 hours ago) and read 2258 times:

Some of the aircraft had shaft driven compressors to pressurize the cabin. When jets came in they removed the shaft and attached a turbo and called it a turbo-compressor and used freon cooling for airconditioning (just like your car). Turbo-compressors were on such aircraft as 707 and DC-8.

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