I'll have you know that the "chicken ingestion test" has been long required by the FAA before a new jet engine design can be certified. The "chicken gun" hurls a chicken carcass (usually thawed) into a spinning engine at 180 mph to mimic a bird strike. Until now that gave me some confidence in the robustness of the engine design. But now, perhaps we need another certification test...
Quote: I'll have you know that the "chicken ingestion test" has been long required by the FAA before a new jet engine design can be certified. The "chicken gun" hurls a chicken carcass (usually thawed) into a spinning engine at 180 mph to mimic a bird strike. Until now that gave me some confidence in the robustness of the engine design. But now, perhaps we need another certification test..
All parts of the chicken/bird get chopped up easily so they do not harm the engine (larger birds might cause the primary fan blades to break and otherwise destroy the engine). A metal object (coin) does not mince easily, and can damage the turbine blades in one way or another.
All right, that does it. Next to guns, bombs, swords, bottles of water and laptops, coins should be on the NSA's prohibited list. They're so dangerous, even an 80-year-old granny can sink a plane with those terrorist devices!
Anyway, how on earth can someone on the tarmac get even close to the engines, and close enough and for enough time to grab a purse, look for coins and throw them in the engine? I've been to Pudong airport a great many times and, if you're not having an air bridge at your disposal, usually there's a bunch of Chinese men to make sure you follow the exact orders as given to get on or off board. You're not allowed to walk under the wings and you're at least 5 meters (5.5 yards) away from the engines if you follow the designated walking paths...
@nomopoco: make jet engines certified 'granny proof'?
@jbuck: don't worry. flying is still the safest way of getting from A to B, except from traveling by elevator and escalator, that is. But I haven't seen any of those transporting anyone over 5000 miles or so... Nevertheless, I'm still taking more than sufficient flights annually to compensate for most non-flyers here. This year already at 100 legs by air, last year about 200 on average per year as well... And I'm still alive.
@typecoin: Spot on. That's exactly why a coin is much more dangerous than the average chicken. Although I can tell from experience that flying through a flock of birds at takeoff or landing may also cause a few tense moments.
One of my jobs as aircraft electrician (MCAS Cherry Point, NC) was to retrieve/inspect and reclaim materials from aircraft that was "downed". Malfunctions, pilot errors, birds, made no difference. One time a blue heron got sucked up in the starboard engine of an A6A Intruder...bird split apart, so did the right wing, both pilot and navigator punched out safely, BUT when flying through the air with the greatest of ease, prior to release from ejection seat, the navigator hit a seagul at 200mph on his upper inside right thigh. He wasn't able to keep wifey happy for quite some time. Plane hit the ground spinning, loaded with cross-country fuel tanks...my job made easier, no parts to recycle! That was the only happy ending...
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Posted 06/30/2017 1:04 pm
