Under the initiative, either Singapore Changi Airport (SIN) or Seletar Airport (XSP) will be used as a testbed to co-develop what CAAS describes as a “comprehensive readiness framework” for integrating open-fan engines and next-generation aircraft into existing airport operations. The work will cover aircraft and engine design considerations, airport infrastructure modifications, changes to operational procedures, safety standards and regulatory processes.
Singapore To Serve As Airport Testbed For CFM RISE Open Fan Engines
26 Comments
actionjbone@sh.itjust.works · 13 pts · 203d
Think of how easily those things can be hosed down after they shred a whole flock of seagulls.
AllzeitBereit@feddit.uk · 5 pts · 203d
And how much more easily they could survive it. Conventional turbofans get the birds stuck inside and fail. These could effectively bounce them off.
tomiant@piefed.social · 5 pts · 203d
Sure, a few seagulls would survive but that is something that could easily be fixed in another version.
i_love_FFT@jlai.lu · 5 pts · 203d
Turbofans are tested by shooting a standardized frozen turkey into them. The engine must survive to be qualified.
I'm sure a bad luck event can have birds stuck inside, but in most cases they go all the way through.
Edit: found this reference: https://www.ecfr.gov/current/title-14/chapter-I/subchapter-C/part-33/subpart-E/section-33.76
And this video: https://www.youtube.com/watch?v=VBHJvSJoX4k Not sure if it's the right thing, some comments say it's a blade separation test, which is much more violent than bird ingestion.
tomiant@piefed.social · 2 pts · 203d
It makes sense, at that altitude birds are frozen solid.
i_love_FFT@jlai.lu · 1 pts · 202d
Hehe, I expect they're thawed before the test, but who knows!
The GE9x is shown being tested by launching a block of solid ice at the fan, and it shreds the ice!
a_non_monotonic_function@lemmy.world · 1 pts · 202d
NIST frozen turkeys must cost as much as a house.
i_love_FFT@jlai.lu · 2 pts · 202d
That's why plane tickets are so expensive...
a_non_monotonic_function@lemmy.world · 1 pts · 202d
Makes sense. The peanut butter jar alone is over $1,200. Imagine what a battery of frozen turkeys would cost.
discocactus@lemmy.world · 7 pts · 203d
Poor geese...
AllzeitBereit@feddit.uk · 9 pts · 203d
Is it any worse than what would happen to birds with conventional turbofans?
Tylerdurdon@lemmy.world · 4 pts · 203d
Mmmm, geese...
anomnom@sh.itjust.works · 1 pts · 203d
Not after going through a turbo fan. More like pâté.
Tylerdurdon@lemmy.world · 1 pts · 203d
Mmmm, pâté. Didn't even need a funnel or corn!
LifeInMultipleChoice@lemmy.world · 2 pts · 203d
My friends a goose and I asked him what he thought about this design. Completely unphased by it, infact I'm not even sure he understood me.
Melonpoly@lemmy.world · 6 pts · 203d
The amount of people in here that are complaining about non-issues as if they don't know that exposed props have existed for centuries now is baffling.
potatopotato@sh.itjust.works · 6 pts · 203d
They're claiming 20% more fuel efficiency which would be huge, but at the expense of a metric fuck load of moving parts. Also who the fuck knows that happens if you have to make a gear up landing with these things
AllzeitBereit@feddit.uk · 11 pts · 203d
How many more moving parts than a conventional turbofan? Maybe four gears and a rotor?
i_love_FFT@jlai.lu · 4 pts · 203d
This thing looks like it has less moving paths than a normal turbofan... Look at cutouts of the CFM56, easily available online.
potatopotato@sh.itjust.works · 2 pts · 203d
Uh all of those blades, including the fixed ones, are variable pitch. Every single blade has several precision moving parts
MadMadBunny@lemmy.ca · 4 pts · 203d
Tarmac will definitely be closed for a while
AllzeitBereit@feddit.uk · 7 pts · 203d
There would probably be less damage than from a conventional turbofan hitting it - the blades would shatter rather than the cowling digging in.
itsathursday@lemmy.world · 3 pts · 203d
Metal confetti to celebrate
chuckleslord@lemmy.world · 2 pts · 203d
Loud. There, an actual complaint that would be applicable to this design.
Regular turbofans will kill geese at basically the same rate as this and would be just about as dangerous as well. But moving parts outside of shielding will be louder, as more sound energy will make it to the fuselage.
bonenode@piefed.social · 1 pts · 203d
tomiant@piefed.social · 12 pts · 203d
You never flew in a propeller plane?
bonenode@piefed.social · 6 pts · 203d
tomiant@piefed.social · 4 pts · 203d
Still tho...