Apart from on the 787, which draws fresh air in from vents in front of the engines.
Generally speaking the air is cycled less on a 787.
That is what Howard said, do you have Howard on ignore?
No. I don't think that is what Howard said. He said the air is drawn from inside the engine, which is true for most planes. I said that the 787 intakes air from in front of the engine. Unless I misunderstood.
@lynx started
London Fixed Gear and Single-Speed is a community of predominantly fixed gear and single-speed cyclists in and around London, UK.
This site is supported almost exclusively by donations. Please consider donating a small amount regularly.
Apart from on the 787, which draws fresh air in from vents in front of the engines.
Generally speaking the air is cycled less on a 787.