Yes, Henry, I agree that ticket price is paramount for air travel consumers -- including myself. And I can't imagine travelers choosing on airline over another based on anything but price. So I guess that says it all. No reason to improve comfort.
The airlines may be satisfied with the design of the interior elements of their planes, but of course that does not mean that there is not room for improvement. The main selling point for economy air travel seems to be ticket price. Passengers seem to give that much greater priority than amenities relating to seat comfort. My feeling is that until passengers in large numbers let it be known that they are not satisfied with what the flying experience is like, the airlines will not redesign it beyond changes that bring in more revenue, such as more leg room, etc.
Thanks Henry. Yes, I understand the economics of space for the back of the plane. And the space has grown smaller over my decades flying. The basic design of tray tables, arm rests, seatbelts, etc. has also been static for decades. I would guess the airlines are simply satisfied with these design elements.
Airlines seem to have put their seating R&D dollars into improving the business and first-class sections on international flights, where seats transform into beds of a sort. Econmony class seat design does seem to have been static for some time. There has been, however, some improvement in leg room for a price to the customer. With the increasing prominence of narrow-body regional jets, it seems unlikely that economy-class seats will get wider. There seem to be simply too many constraints from available space and revenue to allow for much improvement.
The maintenance story reminds me of an episode of the cartoon Animaniacs in which two of the characters are trapped in an elevator. They try to contact the maintenance department over the intercom, and overhear the supervisor telling one of his employees: "Hit it with the hammer, Big Ed. No, the hammer... that's a wrench, that long thingy's a hammer..."
Later, after being trapped in the elevator for ten hours, the characters try to contact the maintenance department again.
"Are you still in there?" the maintenance supervisor replies. "It was our indication that you got out."
"Really?" the character says. "What gave you that indication?"
"That's just an indication we had," says the supervisor.
I haven't seen significant design improvements in the seating area of airline jets since the mid-1970s. Am I missing something? If anything, the seating area has become more cramped.
The story of the mechanic pounding the broken table into submission is great! It shows how the human element can be the ultimate enemy of designs of all kinds. I wonder how long it took that tray table to finally be fixed so it could be both gotten out of and put back into the seat arm? Poor maintenance can be worse than no maintenance at all.
This article by Mr.Petroski is a guiding for the young engineer by showing how to clearly express the design functionality. Many a times innovators fail to express the "need" in their statements.
The cardboard tray wouldn't weight much more than the plastic plate sitting on it, and unlike the plate, the tray would normally be secured. Even if left unsecured the tray wouldn't be much of a projectile, but adding foam-rubber edging would limit the damage when kids play with the trays. In normal use the edging would also keep cups and plates from sliding off.
I had to check the date of this commentary - 2012, not 1965! In the '70s I worked in aircraft seating design. Those First Class seats were a wonder of engineering. Their weight-saving, weight-supporting design were worthy of awards. I'd think the present-day comments would have been unwarranted, even back then. Surely engineering has progressed since...or has it?
For 3D printing to make the jump from rapid prototyping to manufacturing, engineers will need to find easier ways to move products from their CAD screens to their printers.
Gigabit and PoE are two networking technologies moving ahead in tandem as industrial users power remote Ethernet devices such as IP security cameras at 1,000 Mbps over existing CAT5 cable.
New versions of BASF's Ecovio line are both compostable and designed for either injection molding or thermoforming. These combinations are becoming more common for the single-use bioplastics used in food service and food packaging applications, but are still not widely available.
From Dell / Intel® New Paradigms in Design Work Scott Hamilton, vertical market strategist for Dell Precision workstations, 5/2/2013 5
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I've been using workstations for more than 10 years and love finding ways to get more performance from my system. With demanding professional applications that require more power each ...
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For industrial control applications, or even a simple assembly line, that machine can go almost 24/7 without a break. But what happens when the task is a little more complex? That’s where the “smart” machine would come in. The smart machine is one that has some simple (or complex in some cases) processing capability to be able to adapt to changing conditions. Such machines are suited for a host of applications, including automotive, aerospace, defense, medical, computers and electronics, telecommunications, consumer goods, and so on. This radio show will show what’s possible with smart machines, and what tradeoffs need to be made to implement such a solution.
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