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RAF Fighter Flies On Printed Parts

Rambo Tribble writes "In what is being touted as a milestone, Royal Air Force Tornado GR4 fighter jets have flown with 3-D printed parts. The announcement came from defense company BAE Systems, and it depicts the program as a model for cost-saving. From the article: 'The parts include protective covers for cockpit radios and guards for power take-off shafts. It is hoped the technology could cut the RAF's maintenance and service bill by over £1.2m over the next four years.'"

27 of 100 comments (clear)

  1. Free! Free from the contractors! by sandytaru · · Score: 4, Interesting

    ... but we're only free from the contractors if we specify that we need the CAD files for the individual components as part of the initial production contract.

    On demand part printing is very cool, but it's kind of a yawn until they fly an entirely 3D printed plane.

    --
    Occasionally living proof of the Ballmer peak.
    1. Re:Free! Free from the contractors! by bob_super · · Score: 4, Insightful

      Just what we need. Management will say "just print it, you have the files" and not realize that titanium was specced for a reason.
      You mean you actually needed that stabilizer to not shear off at mach 2?

    2. Re:Free! Free from the contractors! by Rich0 · · Score: 3, Insightful

      Mach 2? Try 40 mph once it starts vibrating and flexing. These surfaces are subject to significant aerodynamic forces even in a small airplane - that's why they're there in the first place...

    3. Re:Free! Free from the contractors! by confused+one · · Score: 2

      good thing printing in titanium is a possibility

    4. Re:Free! Free from the contractors! by bob_super · · Score: 3, Interesting

      I'm curious for a good reference comparing metal strength and fatigue resistance between printed/machined/welded/forged parts.

    5. Re:Free! Free from the contractors! by mlts · · Score: 3, Interesting

      The parts mentioned are needed, but a cover for a cockpit radio [1] are not exactly parts facing extreme wear. If one can sinter the blades for a jet engine damaged by a bird strike, that would be a fundamental technological accomplishment, especially if the blades are balanced and could be installed.

      [1]: The black box data/voice recorder enclosure is a different story.

  2. A dollar here, a dollar there. by bromoseltzer · · Score: 2

    But those are some expensive radio covers.

    --
    Fiat Lux.
  3. Just add "3D printed" to any tech presentation now by TWiTfan · · Score: 2

    Get a guaranteed article about it on Wired or some tech site.

    --
    The cow says "Moo." The dog says "Woof." The Timothy says "Thanks, valued customer. We appreciate your input."
  4. It is hoped by Dunbal · · Score: 3, Insightful

    "It is hoped the technology could cut the RAF's maintenance and service bill by over £1.2m over the next four years."

    Yeah it's always hoped that it will save money, yet somehow government contracting just gets more and more expensive every year.

    --
    Seven puppies were harmed during the making of this post.
    1. Re:It is hoped by Dunbal · · Score: 3, Insightful

      Yeah that's a well known tactic - if you're not intelligent enough to refute the argument then attack the speaker. 4chan is that way ----->

      --
      Seven puppies were harmed during the making of this post.
  5. Re:Fools by Anonymous Coward · · Score: 4, Insightful

    Without automation, the average car would cost more than a million dollars, just getting the people in who can repeatedly file a part down to the tolerances needed. That new iPhone would cost thousands, if not able to be made at all (good luck soldering the BGA chips.)

    Automation is a fact of life, and jobs change. When I was a teenager, I loved the job of running around with a hard disk for reimaging machines... but that has been replaced by PXE booting. Life goes on.

    The more automation the better. It benefits us all, other than the people with the dead-end work.

  6. i question the wisdom of this by r2kordmaa · · Score: 3, Interesting
    "The parts include protective covers for cockpit radios and guards for power take-off shafts"

    Sorry but this is simply moronic, these are cheapest possible parts in the airplane - plastic covers for stuff. It doesnt make much of a price difference if you make 100 or 200 of such plastic parts, its the first one that costs you. Once you have made all that were needed for a batch of machines (aircraft in this case) that were actually ordered, you make a little more and store them for spare parts. The main cost here is spare parts storage - something you need to have anyway. Replacting some storage space with a very expencive 3D printer (you really thought they want to use a 300$ one? think again) makes no sense, you get lower quality parts and making them takes longer than it would take for you to get the parts from storage.

    When you get to printing turbine blades - then you are talking business, but for plastic parts.. makes no sense.

    1. Re:i question the wisdom of this by similar_name · · Score: 4, Interesting

      The main cost here is spare parts storage - something you need to have anyway. Replacting some storage space with a very expencive 3D printer (you really thought they want to use a 300$ one? think again) makes no sense, you get lower quality parts and making them takes longer than it would take for you to get the parts from storage.

      The military is considering the logistics of access to storage in a battle. It may be considerably cheaper to take a 3D printer and some material to the front than backups of all your parts. I recall reading somewhere that warships tended to carry 3 replacement parts for everything. Since you never know what's going to break you have to carry much more than necessary. A 3D printer should require much less mass and storage since you only need material for the things that actually break, instead of material for everything that might break. The costs of moving backup lenses in hundreds of styles around a battlefield may make 3D printing them more economically viable.

    2. Re:i question the wisdom of this by r2kordmaa · · Score: 2
      The problem here is that 3D printer can only be used to make a very small subset of spare parts. And these are the type that usually dont break. Seriously, radio will give out the genie 10x before the front panel cracks. Plastic parts are usually ornamental in nature, a plane will not be inoperable because there is a scratch or a crack on some plastic part. Unless the platic part is the canopy - and no 3D printer will make you one of these.

      3D printer is a powerful tool for the right job. Like any tool it has its advantages and limitations. All the media hype tends to forget the limitations, or never bothers to find out about them in the first place. 90% of 3D printing related articles seem to think that any day now we will be able to download plans from pirate bay and print ourseves our very own starship Enterprise complete with photonic torpedoes - not gonna happen.

      Dirt Cheap(tm) 3d printers can make you cruddy glumps of plastic that somewhat resemble 3D models you fed it, but really have no practical use

      Reasonably Priced(tm) 3d printers can make plastic parts with reasonable quality that could be used in a commercial product - after further surface treatments, milling where neccesary, adding thread inserts and whatnot

      Very Expencive(tm) 3d printers can make metal and plastic parts with good enough surface finish that they can be used as is in some cases, but mating surfaces still need to be milled to tolerances

      And they all take forever to make a single part. One redeeming quality of 3D printing is that you can make geometries that are simply impossible with any other manufacturing method and that is the only reason why anyone uses 3D printing in proffesional setting at all. But if original part was made with conventional manufacturing methods, there is no reason to make a spare part with 3D printing.

    3. Re:i question the wisdom of this by Anonymous Coward · · Score: 2, Insightful

      Of course there are reasons to make spare parts with a 3d printer.

      First of all, one printer can produce any number of spare parts that the material is good enough for.

      Secondly and more importantly, things -- especially in the military, tend to hang around for a long time. It's not unusual for stuff to still be in use when not only the production run has ended, but the original manufacturer has been bought up, met with financial disaster, the tools and jigs necessary to produce the parts have been destroyed, sold or dismantled and the original people who designed them while in their forties have not only retired but died of old age.

      Any reasonably imaginative person could think of a million cases where a 3d printer could be a god-send.

  7. Re:Fools by r2kordmaa · · Score: 2
    You really think 3D printing needs less human operators than injection molding? Or is your comment aiming for "funny" raiting?

    PS: obvious piece of wisdom - if a man can be replaced by a machine - the man is not worth his paycheck

  8. Re:Fools by Anonymous Coward · · Score: 2, Insightful

    +----------+
    |--Please--|
    |--Do Not--|
    |-Feed The-|
    |--Trolls--|
    +----------+
        | |
        | |
    ...\|||/...

  9. Calling Chuck Schumer! by cervesaebraciator · · Score: 2

    Heh. I expect within hours to see a bill in the U.S. Senate banning the 3-D printing of fighter planes. Someone might sneak those things through metal detectors, though he might have to do it one piece at a time. Of course, 3-D printing a fighter plane (rather than just replacement parts for the console) is impractical and printing one that would actually work as a fighter plane is impossible, but the likelihood of someone doing so has never really been the issue.

    If the above statement seems a little exaggerated, I'll confess that it is. But it's no more exaggerated than giving this article the title "RAF Fighter Flies On Printed Parts", when we're just talking about console parts. The original title was, "RAF jets fly with 3D printed parts." I am saddened that the /. version is both less accurate and more sensationalist.

  10. Re:Just add "3D printed" to any tech presentation by netsavior · · Score: 4, Funny

    I heard someone refer to a Lathe as a 3D printer... and my dentist proudly told me that he got a 3D printer for teeth, then showed me his CNC milling machine.

    I am just waiting for the swiss army knife "3D printer" pocket knife that allows you to "manually 3D print with Cellulose media"

  11. Re:Hmmmm ... by timeOday · · Score: 2

    What makes it significant is not anything in particular about the parts, but the fact they can save over 1 million pounds in the next few years with it. Imagine some airfield in an isolated location... a little plastic cap that would cost 4 cents to mass-produce on an assembly line probably costs ten-thousand times that by the time it goes onto a plane, because it is made in small quantities, procured through some byzantine contracting process, and then shipped around the globe through military logistics.

  12. Not new by necro81 · · Score: 2

    3D printing has been used for complex parts in aircraft for years. Specifically, some turbine blades have been 3D printed in metal, because they can have internal passages for cooling. It's not quite a net part - the airfoil shape and the retaining dovetail need to be post-machined, but it's a lot faster than the investment casting it replaced.

  13. Re: Just add "3D printed" to any tech presentation by Anonymous Coward · · Score: 2, Interesting

    "3d printers" can be additive- the ubiquitous stratasys or similar, or subtractive (Roland MDX or your dentists new toy). Point is that they are driven like a printer, rather than with cnc programming approaches, do can be used by people who aren't machinists.

  14. Re:Just add "3D printed" to any tech presentation by Trepidity · · Score: 2

    Although I have nothing against the swiss army knife as a manual subtractive 3d-printer for cellulosic media, this kind of 3d printing really doesn't work for situations where you need thin and flexible output. For that I've been looking into a new DIY additive 3d-printing device that is quite promising. The preliminary results are durable enough that they even stand up to extended daily usage in the wearable-technology vertical.

  15. Re: Just add "3D printed" to any tech presentation by mlts · · Score: 2

    I wonder if it is because sprues are easier to understand than proper tool paths.

    I'm curious which one makes less waste overall. On one hand, the aluminum from a mill can be binned and recycled, while depending on the 3D printer, there is likely less waste, although what waste there is isn't as easily recycled.

  16. Re:Proof of concept by mirix · · Score: 2

    She still has a sceptre, but the magic has been lost and it now has no effect.

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  17. Re:Fools by Antonovich · · Score: 2

    That was true in the past but an increasing number of researchers are suggesting it won't be in the future - . I actually welcome the day when machines can take care of all of the necessities (and a lot of the rest). The way we organise the economy will have to change though, and we can expect complete carnage while people get used to that...

  18. Re:Fools by Firethorn · · Score: 2

    It depends a bit on what you consider 'automation' - does a electric screwdriver count as automation? A belt sander? Something is moving without human power, after all. I'll settle for allowing power tools, but everything would have to be guided by a human. IE you can have a drill press with mechanical stops, but a human will actually have to work a wheel/lever to control drill height.

    So to look at the examples, the GP was talking about an entire car, not just the engine, plus your engine is 'hand finished', not 'hand made'. My take on it is that most of the parts were still made in the automatic ways, only the final assembly/fitting was done by hand. Consider your exhaust pipe example - while I'm sure they bent the pipe by hand, I'm just as sure that the pipes were made using automated equipment, as was any fittings such as hose clamps, screws, and bolts. In addition for the car you'd also have to craft the wheels, frame, seats, dash, etc...

    The reason hand made/custom parts can be cheaper than going to the dealer is that the part might be in a part of it's life cycle where even the part the dealer would get was hand made as well.

    --
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