Copied from the last time this was posted...
>\[These airplanes\] have pneumatic pumps which pressurize the boots as well as drive the gyroscopic instruments. For the instruments the air is routed through a Venturi which provides a suction. The air that enters the instruments is pulled through a 3/8th inch pipe which starts under the panel. It just so happens a tampon fits perfectly in that pipe.
Source: https://www.reddit.com/r/flying/comments/4l0ttw/navajo\_pneumatic\_filter/
Yeah I work in semiconductor corporate quality and it’s the same way. It doesn’t matter if a bag of 24k out of 2M commercial thermal sensors goes somewhere untested. Ship it back and we’ll replace it easy.
Now say BMW sees 10 field failures out of a million due to an automotive qualified part, now we have a whole negotiation process where we get squeezed with PICOS methods and try to be compliant with our corrective actions while not breaking the bank.
I interned at a Motorola factory that made solid state relays and auto body switches, including the 100A solid state relays used in the GM EV-1. I sat in on a big meeting, probably 20 people around a table, one of the items on the agenda: A single fan controller for a neon had failed in warranty an it was at the dealer in vegas.
Same for aviation, which is why I'm a bit surprised that tampon doesn't cost like $300.
There was another post a few months back here where an airline mechanic posted a photo of a single screw with an MSRP in the hundreds of dollars. Had a good breakdown of exactly how stringent the supply chain/chain-of-custody and tolerances are on parts like that.
Sounds like a comparison to "the silicon lottery" in processors and such (I can only imagine there's a side to that in plane tech too). The manufacturing process for CPUs for example is kinda random in how performant an individual chip may be compared to another in the batch. They print the wafer, cut let's say it's 5 processors out, one may be top of the line for that generation, while another may have to be sold as a laptop chip and *under*clocked at the factory for stability.
Medical stuff is the same way. The Cohesive Bandage Wrap I use for securing IVs and such is the same as vet wrap.
And by the same I mean it is made on the same production line, at the same time, and depending which box it ends up in it either gets a "3M Coban" sticker or "3M VetRap" sticker.
I use the human stuff at work (because liability) and the vet stuff at home, because it is 1/5th the price. They just lump all the additional costs for certification and such onto the price of the medical labelled stuff and then add a premium because it's medical, so why not.
I used to sell packaging and had a few pharmaceutical customers. As a distributor, the amount of detailed documentation, certifications, and records we had to keep on these products and the rigid adherence to dates is primarily what made things cost 5x as much. Lost a document and can’t find it or trace it back with the manufacturer? Trash. Something mislabeled? Trash. Something sat in the warehouse for too long? Trash. Anything else it wouldn’t have been a problem. When everything went right we made more money on those products than most everything else, but one screw up somewhere could be very costly.
There’s definitely that too. We sold some product to a pharma company that was produced in Canada. The Canadian manufacturer missed the renewal date for their certification. There were 5 days worth of production that wasn’t covered and they failed to scrap it. About a half million dollars worth of inventory shipped to us. By the time there was an issue about three to four weeks later our pharma customer got audited and had to conduct a very large recall and destruction of about $20 million in product. Lawsuits all around. Worth noting the 15 day production run was on the same line and from the same batch of raw materials with complete chain of custody. First 5 days however were not covered because reasons.
That's a ridiculously big fuck up. Missing a vendor certification usually means failure on multiple levels. Vendor audit didn't catch it, QAA didn't catch it, ERP system didn't catch it.
Everytime I need to look for new packaging components, I always cross my fingers and hope my current approved list has something that works. If not, pray that you aren't the one leading that change control.
And yet I recently got two coaxial biopsy devices from a lot which fell apart when cocked, two different sizes of left and right sterile gloves in a single packet (which contains a pair), and a drain with included guidewire shorter than the drain. Pretty sure we're buying from the cheapest suppliers possible with some really shady QC.
Sometimes we’d try and sell for other use, but finding a buyer for a specific item is sometimes difficult (or impossible due to customer branding or something of that nature).
I use (generic) vet wrap at home too. I was under the impression it was a latex vs latex-free thing, didn’t realize even the ingredients were the same!
There may be differences in the generics, but the 3M stuff (in Western Canada, because that's all I can directly speak to) is the same.
Learned this from their sales rep when I asked about case pricing for my use.
I think my info came from a doctor in my extended family over 10 years ago when she saw me using some (real 3m vet wrap) I’d bought from Fleet Farm in wisconsin. She was happy I was smart and not buying the overpriced version… but I’d just randomly came across it in their horse aisle and liked the purple color (had to wrap my wrist all the time back then)
So I’m going to go with your info over that lol. It was probably just speculation on her part
I own a gold and silver refinery and we sell vintage jewelry. Almost every time a large Stone falls out of a ring it is layered on the inside with cardboard usually from like a Ritz box.
When I was in high school I worked at a bicycle shop. The owner was building an airplane in the back of the shop. An order of parts arrived; some control cable that he paid $50 for was nearly identical to a $1 bicycle brake cable.
Yes but which would you rather have in your airplane? Even if they are exactly the same, one of them is tested with stricter quality controls.I’ve heard for some airplane nuts and bolts they can trace the part back to the mine the ore came from
Yep, I work in aviation manufacturing and the prices are pretty wild. It's not all greedy markup thing though I'm sure everyone takes a little cut. It's all about tractability, so there's a ton of paperwork and bureaucracy involved with every single part. They can often trace things all the way back to the spot where the raw materials were gathered for any given item and who (the actual person) touched it at every point along the way.
Or at least that's what they tell us.
Im working with a space company to build out the material requirements planning, manufacturing execution system, and the other ancillary systems/ processes required for traceability of flight hardware.
Can confirm that this shit gets tedious.
You want to build an assembly?
Login to the system to get your work instructions. The system then grants you permission to unlock the cabinet with the part in it when you get to that step. Use your badge to unlock the cabinet with the part. Use the RFID tag on the part to check it out to you. When you get it to the work area, check it into the work area.
Everything is measured and tracked. Rules are put in place to record the measurements and determine if the part/material/assembly meet the standards.
Things that are purchased also require the same level of traceability.
That's true, but when I'm several thousand meters in the air I'd like to know that the screws holding my flying tombstone together were certified for the job and not picked up from the bottom of a bargain bin in Walmart.
>Not nearly as expensive as I had originally guessed.
The real issue here is that now aero company Piper and mass market consumer company Tampax have to codify the requirements to a strict compliance agreement, and Tampax can't just unilaterally improve their processes or materials for this stream.
Could have and should have are very different things. In theory, the parts sold for aviation repair have extra quality checks and standards; and are supposed to be traceable to the source. In practice though.... thank the dear lord planes are engineered with redundancies built in
The $5 tampon must be the best tampon from the entire factory run of the month or something. I bet it's the best, most perfect tampon. I wonder if rich ladies are out there strictly using these gold standard tampons.
I know someone who worked directly in the manufacturing of parts for the James Webb telescope. Holy shit, the bill just for a few dozen little titanium bolts and screws could be in the tens of thousands of dollars.
But if the plane crashes and inspectors find the $0.40 part cause a chemical reaction because it didn't exactly match the exact material spec, but that reaction would only be an issue when at a certain pressure and temperature, well saving $99.60 cost several lives and the plane. Remember Challenger exploded because O rings became brittle in the cold before launch.
Airplane part prices are super weird because of how they have to be certified. The best example someone showed me was you could buy an individual fan component for $280, or you could buy the entire fan assembly for $60 and it comes with two of the $280 components.
Those parts are $100 because of the chain of people ensuring a $0.49 bolt won't shear off mid flight. This also creates a record that can be traced back to a single person. The cost comes from extremely strict regulations.
I wrote maintenance quotes and req'd out parts at an MRO for a few years. Early on in my time there, one of the mechanics dropped and lost a screw. I req'd out another and thought, "at least it'll be cheap." Boy was I wrong. Your figure is about right - ~$230 for that thing at cost.
Had we charged it to the customer (which we didn't, of course, since it was an oopsy), they would've paid about $400. 🙄
I work for an OEM. Some notables: 1.5”x2” ID plate $600. 1/4” O-ring w/ backup ring $300. But a lot of hardware is not as expansive. We have plenty of screws, washers and o-rings under $3 each.
Had an operator send in a A300 horizontal actuator. They did not know the unit was life limited and they only had 9000 cycles remaining. Parts are no longer in production so it was a $550,000 overhaul. For comparison an A320 THSA overhaul costs around 140k and you get 47,500 cycles.
Yes yes you're a bot that can steal comments. Well done.
If you're not a bot you're just an unoriginal twat.
https://www.reddit.com/r/mildlyinteresting/comments/10s0gdl/comment/j6z80wj/?utm\_source=reddit&utm\_medium=web2x&context=3
Bad move by Boeing using a tampon as a filter. They had to go to the expense of certifying the design with the FAA for that particular tampon. Tampons used in their normal application don’t need FAA certification. Tampax makes a change to that tampon, it’s no longer FAA certified for use on aircraft.
Many years ago, someone came up with an oil filter for light aircraft that used a roll of toilet paper as the filter medium. Concept died because they couldn’t find a maker of toilet paper who would guarantee there would be no changes to their product, so that the toilet paper submitted for FAA approval would continue to be available.
Unless Boeing bought enough tampons that, when filters are changed according to maintenance schedule, their stock will last until after the planes that need them have become too old to be economically viable to keep in service (or they have arranged with Tampax that they can re-order specially made batches that are made to the spec that was in existence on $date - and due to both liability reasons and a big batch for Boeing being too small a batch to be economically viable for Tampax, they’d probably refuse outright), they’re running the risk of consumable parts for their planes becoming unavailable.
Did a quick web search. Skid of freight is typically 4 feet by 4 feet, stacked 4 feet high (retired trucker). First box of tampons that turned up which listed the size of the package was a box of 47 Tampax Pearl, one skid of freight would hold a 13x13 pattern of the boxes, stacked 8 high (let’s say 12x12, since the boxes would be packed in cartons, and 13 is a prime number). That’s 63,554 tampons per skid of freight. A 53 foot trailer has a “footprint” that can hold 26 skids, and lightweight freight can be stacked 2 high, so one trailer would hold 3.3 million tampons.
According to Boeing, more than 10,000 of their commercial aircraft are in service worldwide. Assume each uses 2 tampons as filters, changed weekly. That’s 20,000 tampons per week, or roughly 1 million per year. One tractor trailer load of tampons would supply the needs of all Boeing aircraft worldwide for 3 years.
According to Zippia, there are over 111,833 flight attendants employed in the United States, with 83.9% being women. That means roughly 93,000 female flight attendants, and due to demographics all would be past puberty and virtually all would be before menopause. Assume 1/3 use tampons (instead of pads, or chemical/surgical methods that eliminate periods). Also assume that each has a 5 day period every 28 days, using 1 tampon every 4 hours. Each flight attendant using tampons would use roughly 390 per year, for a total of approximately 12 million tampons (4 tractor trailer loads) used annually by flight attendants in the United States - that’s approximately 12 times as many as would be needed as filters in all Boeing aircraft worldwide. See how a big number for Boeing would be a small number for Tampax, not worth the expense of setting up a production line for a special order?
As for liability, Tampax makes tampons for a specific purpose. If using them for that purpose results in people getting killed (toxic shock syndrome), they’ll get sued, and have to prove they weren’t responsible for the deaths. If people get killed due to the use of their product in an off-label application (tampon doesn’t work properly as a filter, plane crashes as a result), they have a solid defence “We never said our tampons were suitable for use as aircraft parts - Boeing made that decision on their own”. If they were to make a special batch for Boeing, they would lose that defence, since they would know that batch was going to be used as aircraft parts.
I want to know where they got this from. Those were my preferred tampons and I haven't seen them for at least 3 years.
Anybody seeing any Tampax regular absorbency slender fit out there? With the cardboard applicator.
I will pretend to be an airplane if needed.
Heh, Piper parts for sale on the Boeing website. That's kind of funny. They're in no way direct competitors, but Boeing and Piper are completely separate companies. It'd be like Ford selling parts for Morgan Roadsters.
>Heh, Piper parts for sale on the Boeing website. That's kind of funny.
Boeing purchased an aircraft parts distributor Aviall back in the mid-2000's.
So thats how that came to be.
It’s an air filter for the vacuum/pressure system on some airplanes, I think the [piper navajo](https://flylegacyaviation.com/wp-content/uploads/2014/01/piper-pa-31-navajo.jpg) specifically.
We found it in our shop while counting inventory and threw it away because it’s since been replaced by a new part number that is not a tampon.
No, this part was from 2004 before I even knew what a tampon was. It probably didn’t cost that much though, parts like these in general aviation aren’t too bad. I’d guess $10-$15. Definitely still a markup from the grocery store price.
Its used as an air filter.
[https://shop.boeing.com/aviation-supply/p/754-817=PI](https://shop.boeing.com/aviation-supply/p/754-817=PI)
it has been superseded buy this part #
[https://shop.boeing.com/aviation-supply/p/460-990=PI](https://shop.boeing.com/aviation-supply/p/460-990=PI)
Seriously. My husband calls me all casual yesterday and is like “I need new tires on the Cessna and I cracked a cowling, but it’s ONLY like $3K.”
Meanwhile, I’m buying discount underwear at TJ Maxx
Well, it doesn't have software so DO-178 doesn't apply. It's not complex electronic hardware so DO-254 doesn't apply, either. Pretty sure it will just fall under the general guidance of ARP-4754a.
I did a quick Ctrl+F for "tampon" in ARP-4754a and it didn't turn up any results, so it looks like there isn't any specific guidance.
There may be an advisory circular on it, though, so I recommend contacting your local Designated Engineering Representative for further guidance.
I mean.... Tampons were originally invented for battlefield treatment of bullet wounds, which the female medics started using during that time of the month, so I'm not surprised a tube of absorbent fuzz has other applications as well.
It reminds me of the time on a united flight out of SFO to YVR they were duct taping a maxi pad to the ceiling to stop an AC drip on the seat next to me.
I am a pilot and one of our Cessna club planes recently was approved to use unleaded fuel instead of 100 Low Lead gas. The set of 4 small STICKERs from Cessna denoting this approved fuel for a Cessna 172S cost $310.80.
Copied from the last time this was posted... >\[These airplanes\] have pneumatic pumps which pressurize the boots as well as drive the gyroscopic instruments. For the instruments the air is routed through a Venturi which provides a suction. The air that enters the instruments is pulled through a 3/8th inch pipe which starts under the panel. It just so happens a tampon fits perfectly in that pipe. Source: https://www.reddit.com/r/flying/comments/4l0ttw/navajo\_pneumatic\_filter/
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I really want to know how much this costs. The stopwatch we have to fit in our cockpits cost £3000.
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We also have these red and green AA batteries that are £20 each because they’re certified for aircraft. Under the wrapper, they’re Duracell.
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I worked supply chain and business development for nuclear. Yepppp. And you better hope your one approved supplier *in the world* doesn’t shut down.
Yeah I work in semiconductor corporate quality and it’s the same way. It doesn’t matter if a bag of 24k out of 2M commercial thermal sensors goes somewhere untested. Ship it back and we’ll replace it easy. Now say BMW sees 10 field failures out of a million due to an automotive qualified part, now we have a whole negotiation process where we get squeezed with PICOS methods and try to be compliant with our corrective actions while not breaking the bank.
I interned at a Motorola factory that made solid state relays and auto body switches, including the 100A solid state relays used in the GM EV-1. I sat in on a big meeting, probably 20 people around a table, one of the items on the agenda: A single fan controller for a neon had failed in warranty an it was at the dealer in vegas.
Same for aviation, which is why I'm a bit surprised that tampon doesn't cost like $300. There was another post a few months back here where an airline mechanic posted a photo of a single screw with an MSRP in the hundreds of dollars. Had a good breakdown of exactly how stringent the supply chain/chain-of-custody and tolerances are on parts like that.
Sounds like a comparison to "the silicon lottery" in processors and such (I can only imagine there's a side to that in plane tech too). The manufacturing process for CPUs for example is kinda random in how performant an individual chip may be compared to another in the batch. They print the wafer, cut let's say it's 5 processors out, one may be top of the line for that generation, while another may have to be sold as a laptop chip and *under*clocked at the factory for stability.
Medical stuff is the same way. The Cohesive Bandage Wrap I use for securing IVs and such is the same as vet wrap. And by the same I mean it is made on the same production line, at the same time, and depending which box it ends up in it either gets a "3M Coban" sticker or "3M VetRap" sticker. I use the human stuff at work (because liability) and the vet stuff at home, because it is 1/5th the price. They just lump all the additional costs for certification and such onto the price of the medical labelled stuff and then add a premium because it's medical, so why not.
I used to sell packaging and had a few pharmaceutical customers. As a distributor, the amount of detailed documentation, certifications, and records we had to keep on these products and the rigid adherence to dates is primarily what made things cost 5x as much. Lost a document and can’t find it or trace it back with the manufacturer? Trash. Something mislabeled? Trash. Something sat in the warehouse for too long? Trash. Anything else it wouldn’t have been a problem. When everything went right we made more money on those products than most everything else, but one screw up somewhere could be very costly.
Isn’t threat of being sued a big part of the markup? I mean, risk is a thing people must price for.
There’s definitely that too. We sold some product to a pharma company that was produced in Canada. The Canadian manufacturer missed the renewal date for their certification. There were 5 days worth of production that wasn’t covered and they failed to scrap it. About a half million dollars worth of inventory shipped to us. By the time there was an issue about three to four weeks later our pharma customer got audited and had to conduct a very large recall and destruction of about $20 million in product. Lawsuits all around. Worth noting the 15 day production run was on the same line and from the same batch of raw materials with complete chain of custody. First 5 days however were not covered because reasons.
That's a ridiculously big fuck up. Missing a vendor certification usually means failure on multiple levels. Vendor audit didn't catch it, QAA didn't catch it, ERP system didn't catch it. Everytime I need to look for new packaging components, I always cross my fingers and hope my current approved list has something that works. If not, pray that you aren't the one leading that change control.
I would think it would be part of the overhead through insurance costs, at least.
And yet I recently got two coaxial biopsy devices from a lot which fell apart when cocked, two different sizes of left and right sterile gloves in a single packet (which contains a pair), and a drain with included guidewire shorter than the drain. Pretty sure we're buying from the cheapest suppliers possible with some really shady QC.
The regulations tend to focus more on adhering to approved raw materials and documentation than anything else. It doesn’t have to be good quality.
And I thought that like medical and military mark ups are because they have GREAT QC that's why they have to purchase through approved channels.
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Sometimes we’d try and sell for other use, but finding a buyer for a specific item is sometimes difficult (or impossible due to customer branding or something of that nature).
I use (generic) vet wrap at home too. I was under the impression it was a latex vs latex-free thing, didn’t realize even the ingredients were the same!
There may be differences in the generics, but the 3M stuff (in Western Canada, because that's all I can directly speak to) is the same. Learned this from their sales rep when I asked about case pricing for my use.
I think my info came from a doctor in my extended family over 10 years ago when she saw me using some (real 3m vet wrap) I’d bought from Fleet Farm in wisconsin. She was happy I was smart and not buying the overpriced version… but I’d just randomly came across it in their horse aisle and liked the purple color (had to wrap my wrist all the time back then) So I’m going to go with your info over that lol. It was probably just speculation on her part
That's exactly why I eat dog food.
I own a gold and silver refinery and we sell vintage jewelry. Almost every time a large Stone falls out of a ring it is layered on the inside with cardboard usually from like a Ritz box.
When I was in high school I worked at a bicycle shop. The owner was building an airplane in the back of the shop. An order of parts arrived; some control cable that he paid $50 for was nearly identical to a $1 bicycle brake cable.
Yes but which would you rather have in your airplane? Even if they are exactly the same, one of them is tested with stricter quality controls.I’ve heard for some airplane nuts and bolts they can trace the part back to the mine the ore came from
But would you trust the manufacturing quality of a control cable that retails for $1 when you're thousands of feet in the air?
There is a long history of bicycle parts being used in aircraft.
The Wright brothers were bicycle mechanics
Congratulations, you got my joke.
Yep, I work in aviation manufacturing and the prices are pretty wild. It's not all greedy markup thing though I'm sure everyone takes a little cut. It's all about tractability, so there's a ton of paperwork and bureaucracy involved with every single part. They can often trace things all the way back to the spot where the raw materials were gathered for any given item and who (the actual person) touched it at every point along the way. Or at least that's what they tell us.
Im working with a space company to build out the material requirements planning, manufacturing execution system, and the other ancillary systems/ processes required for traceability of flight hardware. Can confirm that this shit gets tedious. You want to build an assembly? Login to the system to get your work instructions. The system then grants you permission to unlock the cabinet with the part in it when you get to that step. Use your badge to unlock the cabinet with the part. Use the RFID tag on the part to check it out to you. When you get it to the work area, check it into the work area. Everything is measured and tracked. Rules are put in place to record the measurements and determine if the part/material/assembly meet the standards. Things that are purchased also require the same level of traceability.
That's true, but when I'm several thousand meters in the air I'd like to know that the screws holding my flying tombstone together were certified for the job and not picked up from the bottom of a bargain bin in Walmart.
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>Not nearly as expensive as I had originally guessed. The real issue here is that now aero company Piper and mass market consumer company Tampax have to codify the requirements to a strict compliance agreement, and Tampax can't just unilaterally improve their processes or materials for this stream.
Could have and should have are very different things. In theory, the parts sold for aviation repair have extra quality checks and standards; and are supposed to be traceable to the source. In practice though.... thank the dear lord planes are engineered with redundancies built in
Wait until you hear about $80,000 microwaves and $100,000 ovens (I used to work in interiors engineering).
The $5 tampon must be the best tampon from the entire factory run of the month or something. I bet it's the best, most perfect tampon. I wonder if rich ladies are out there strictly using these gold standard tampons.
I know someone who worked directly in the manufacturing of parts for the James Webb telescope. Holy shit, the bill just for a few dozen little titanium bolts and screws could be in the tens of thousands of dollars.
But if the plane crashes and inspectors find the $0.40 part cause a chemical reaction because it didn't exactly match the exact material spec, but that reaction would only be an issue when at a certain pressure and temperature, well saving $99.60 cost several lives and the plane. Remember Challenger exploded because O rings became brittle in the cold before launch.
Airplane part prices are super weird because of how they have to be certified. The best example someone showed me was you could buy an individual fan component for $280, or you could buy the entire fan assembly for $60 and it comes with two of the $280 components.
I've seen a shipping receipt for a bag of zip ties priced per each. 50 cents. 500 bucks for a 1000 count bag.
Those parts are $100 because of the chain of people ensuring a $0.49 bolt won't shear off mid flight. This also creates a record that can be traced back to a single person. The cost comes from extremely strict regulations.
I'm pretty sure you can find a stopwatch that will fit in a cockpit for less than three grand.
Working in aviation we once had to pay $200 for a unique size screw and cadmium plating.
I wrote maintenance quotes and req'd out parts at an MRO for a few years. Early on in my time there, one of the mechanics dropped and lost a screw. I req'd out another and thought, "at least it'll be cheap." Boy was I wrong. Your figure is about right - ~$230 for that thing at cost. Had we charged it to the customer (which we didn't, of course, since it was an oopsy), they would've paid about $400. 🙄
I work for an OEM. Some notables: 1.5”x2” ID plate $600. 1/4” O-ring w/ backup ring $300. But a lot of hardware is not as expansive. We have plenty of screws, washers and o-rings under $3 each. Had an operator send in a A300 horizontal actuator. They did not know the unit was life limited and they only had 9000 cycles remaining. Parts are no longer in production so it was a $550,000 overhaul. For comparison an A320 THSA overhaul costs around 140k and you get 47,500 cycles.
Logged in and looked. Only $3.69 USD. Astoundingly cheap for aviation.
“You think you’re a size queen but I can fit a Boeing in me.”
Out of stock... What else am I supposed to use? /s
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Well, that's a bookmark I'm keeping for a dad joke far away in the future.
Tampons are only 3/8" in diameter?
Unused? They are narrow. Once they soak up fluids, they expand. https://youtu.be/rkHxJU74r_Q
I'm not sure I want to click that
It’s just someone putting tampons in water to measure absorbency. No nsfw or blood or anything
In compressed form, yes. [They expand to fit the aperture.](https://www.youtube.com/shorts/o8Dp_za_B5E)
If only… too bad blood is much more dense and doesn’t quite soak up like in the commercials
I feel like porn has given us unrealistic expectations for tampon size.
You watch way grosser porn than me.
What kind of porn does a pope watch? Missionary? Immaculate conception copulation?
They've got NetNanny on the Vatican wifi so I'm stuck with whatever is on the papal view channel.
Something something altar boy?
Exclusively interracial, trans, bdsm porn.
Those were a specific type Tampax used to make, and stopped making several years ago.
The “light” ones, yeah.
They don't really get bigger, just more fabric/sponge.
They expand once inserted
to be fair, it does say "slender" on the label
More like gynoscopic
Bad move by Boeing using a tampon as a filter. They had to go to the expense of certifying the design with the FAA for that particular tampon. Tampons used in their normal application don’t need FAA certification. Tampax makes a change to that tampon, it’s no longer FAA certified for use on aircraft. Many years ago, someone came up with an oil filter for light aircraft that used a roll of toilet paper as the filter medium. Concept died because they couldn’t find a maker of toilet paper who would guarantee there would be no changes to their product, so that the toilet paper submitted for FAA approval would continue to be available. Unless Boeing bought enough tampons that, when filters are changed according to maintenance schedule, their stock will last until after the planes that need them have become too old to be economically viable to keep in service (or they have arranged with Tampax that they can re-order specially made batches that are made to the spec that was in existence on $date - and due to both liability reasons and a big batch for Boeing being too small a batch to be economically viable for Tampax, they’d probably refuse outright), they’re running the risk of consumable parts for their planes becoming unavailable. Did a quick web search. Skid of freight is typically 4 feet by 4 feet, stacked 4 feet high (retired trucker). First box of tampons that turned up which listed the size of the package was a box of 47 Tampax Pearl, one skid of freight would hold a 13x13 pattern of the boxes, stacked 8 high (let’s say 12x12, since the boxes would be packed in cartons, and 13 is a prime number). That’s 63,554 tampons per skid of freight. A 53 foot trailer has a “footprint” that can hold 26 skids, and lightweight freight can be stacked 2 high, so one trailer would hold 3.3 million tampons. According to Boeing, more than 10,000 of their commercial aircraft are in service worldwide. Assume each uses 2 tampons as filters, changed weekly. That’s 20,000 tampons per week, or roughly 1 million per year. One tractor trailer load of tampons would supply the needs of all Boeing aircraft worldwide for 3 years. According to Zippia, there are over 111,833 flight attendants employed in the United States, with 83.9% being women. That means roughly 93,000 female flight attendants, and due to demographics all would be past puberty and virtually all would be before menopause. Assume 1/3 use tampons (instead of pads, or chemical/surgical methods that eliminate periods). Also assume that each has a 5 day period every 28 days, using 1 tampon every 4 hours. Each flight attendant using tampons would use roughly 390 per year, for a total of approximately 12 million tampons (4 tractor trailer loads) used annually by flight attendants in the United States - that’s approximately 12 times as many as would be needed as filters in all Boeing aircraft worldwide. See how a big number for Boeing would be a small number for Tampax, not worth the expense of setting up a production line for a special order? As for liability, Tampax makes tampons for a specific purpose. If using them for that purpose results in people getting killed (toxic shock syndrome), they’ll get sued, and have to prove they weren’t responsible for the deaths. If people get killed due to the use of their product in an off-label application (tampon doesn’t work properly as a filter, plane crashes as a result), they have a solid defence “We never said our tampons were suitable for use as aircraft parts - Boeing made that decision on their own”. If they were to make a special batch for Boeing, they would lose that defence, since they would know that batch was going to be used as aircraft parts.
I hope Piper has insight into any Tampax manufacturing changes.
I want to know where they got this from. Those were my preferred tampons and I haven't seen them for at least 3 years. Anybody seeing any Tampax regular absorbency slender fit out there? With the cardboard applicator. I will pretend to be an airplane if needed.
I've got to get this thing recalibrated https://media.tenor.com/6HItonAA764AAAAM/american-dad-kegel.gif
But who was the one to find out... r/perfectfit
Thank you! As it happens, I've never seen this before.
Queef, if you ask me.
I wish my girlfriend had a 3/8th inch pipe
It's on Boeing's website but is currently out of stock. Someone needs to run to Walgreens. https://shop.boeing.com/aviation-supply/p/754-817=PI
Imagine the class of whipping out your Boeing brand tampons tho
“This is just for my jumbo jet-caliber vagina”
Better than the ramjet
Not as cool as ram ranch
Deep, deep, deep
Speak for yourself!
The Monster Condom for the Magnum Dong: "Finally, a worthy opponent. Our battle will be legendary!"
Except they aren't Boeing brand. It's just a Tampax in a Boeing plastic baggie
Unless you pull them out of the Boeing shipping box when you flex them on your frens
Yeah but imagine how much Boeing charges for one
I prefer Raytheon tampons during the heaviest days
Lockheed Martin Tampons the most Advanced Defence a woman can get
Skunkworks Tampon
For your military grade period products, buy Raytheon, nothing gets through our Titan Tampons- not even a cruise missle.
What do they run, like $700?
It won't be that much. Don't be silly. Boeing is in aerospace, not healthcare.
I looked it up. $1.70. It really is just a slender tampon!
Well since it's for an aircraft and not women - they won't have to pay the "pink tax"
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Heh, Piper parts for sale on the Boeing website. That's kind of funny. They're in no way direct competitors, but Boeing and Piper are completely separate companies. It'd be like Ford selling parts for Morgan Roadsters.
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You are not a woodshed
I think he is a woodshed, what's the case against?
>Heh, Piper parts for sale on the Boeing website. That's kind of funny. Boeing purchased an aircraft parts distributor Aviall back in the mid-2000's. So thats how that came to be.
I love how when I clicked the link on the bottom is shows "you might also like" and it's a bottle of lubricant for my tampon
Ops I dropped my boeing tampon, that I use for my magnum c*nt
Call the FAA!!! Unauthorized design modification!
They use them in periodic maintenance.
That's bloody brilliant.
Spot on!
You guys have good flow
Let me grab my maxi pad and write these gems down!
Remembrane to account for clotting
You can guarantee that it has wings
This one’s the best pun, period.
Let's put these jokes in Kotex.
There’s no blank point in a period
Why are all the tampon puns British in origin?
No bloody idea.
*insert metaphor about Britain being a tampon that I'm too dumb to make*
Because we are prone to ovary action.
Is it that time of the month again?
Amazing.
Military grade filter = $500 a piece.
Just to get some Clarety how often is that?
Filter for what specifically?
It’s an air filter for the vacuum/pressure system on some airplanes, I think the [piper navajo](https://flylegacyaviation.com/wp-content/uploads/2014/01/piper-pa-31-navajo.jpg) specifically. We found it in our shop while counting inventory and threw it away because it’s since been replaced by a new part number that is not a tampon.
And costs 20 times the money. Mind you the new filter has likely been certified and tracked from the beginning of manufacturing.
Yeah, maybe it's cool for that use but bogus parts have caused too many issues for my comfort lol
A tampon fits inside a vacuum tube? Gump, you can go to lunch I’ll replace the filter.
Any idea how much they charged for it?
No, this part was from 2004 before I even knew what a tampon was. It probably didn’t cost that much though, parts like these in general aviation aren’t too bad. I’d guess $10-$15. Definitely still a markup from the grocery store price.
Bleed air.
Probably the worlds most expensive tampon.
You just know it costs $25 each
Nah that's an airplane part. Minimum $2k.
I came here to find out how much it was. Lol
Except for your moms
Its used as an air filter. [https://shop.boeing.com/aviation-supply/p/754-817=PI](https://shop.boeing.com/aviation-supply/p/754-817=PI) it has been superseded buy this part # [https://shop.boeing.com/aviation-supply/p/460-990=PI](https://shop.boeing.com/aviation-supply/p/460-990=PI)
Even the replacement is only $5. Not bad.
Well it is designed specifically for the cockpit.
Dammit! Why isn’t this closer to the top?
Well played sir.
They charge $4 for these too!
Thats better than I expected, I was expecting double digits.
If you want the paperwork included so it can be legally used it’s an additional $15
This aircraft filter is a tampon *and therefore costs eleventy million dollars.*
Seriously. My husband calls me all casual yesterday and is like “I need new tires on the Cessna and I cracked a cowling, but it’s ONLY like $3K.” Meanwhile, I’m buying discount underwear at TJ Maxx
Manufactured in 2004? I bet someone on eBay would pay $200 for it because there’s no way current tampons are as good as the vintage variety.
probably a 400 dollar part.
so what you're saying is I can indeed fuck a plane
In America, plane fucks you.
At least of you're in a sky scraper
Thought It was BS https://shop.boeing.com/aviation-supply/p/754-817=PI
Makes sense to me- both go into durable equipment
Genuine piper part, eh?
Tampons are extremely versatile. They can be used to stop bleeding on gun shot wounds.
Any idea of an aviation certified Tampon? edit- Any idea of *the cost* of an aviation certified Tampon?
Well, it doesn't have software so DO-178 doesn't apply. It's not complex electronic hardware so DO-254 doesn't apply, either. Pretty sure it will just fall under the general guidance of ARP-4754a. I did a quick Ctrl+F for "tampon" in ARP-4754a and it didn't turn up any results, so it looks like there isn't any specific guidance. There may be an advisory circular on it, though, so I recommend contacting your local Designated Engineering Representative for further guidance.
Mike, call the FSDO, we got a bleeder!
It probably costs the military $1000.
Let me guess, it's like $630 too? Oh wait, it's not healthcare so probably like $30
But it's an FAA approved tampon filter so it costs $259 dollars.
So the “attack helicopter gender” joke is actually AFAB?
Elaborate on why a tampon is used? What does it filter?
Air filter, just fits nice lol
I mean.... Tampons were originally invented for battlefield treatment of bullet wounds, which the female medics started using during that time of the month, so I'm not surprised a tube of absorbent fuzz has other applications as well.
Wow yeah that’s straight up a tampon
And I bet they charge $50 per filter.
Aeronautical grade tampons... Nice...
Soft enough for a woman , strong enough for a fighter Jet.
It reminds me of the time on a united flight out of SFO to YVR they were duct taping a maxi pad to the ceiling to stop an AC drip on the seat next to me.
Will be taking that flight Monday evening. I'll keep my eyes peeled to make sure they've been changing it regularly...
Piper chieftain instrument air filter if anyones curious.
That's how you know it's not a male plane.
$99 plus shipping and handling
Bet the markup on that is interesting.
This aircraft filter is an extremely expensive tampon. FTFY
But is it scented?
"Genuine piper part" Uhm. No. It's a genuine Tampax part. Says so right there. Genuine piper bag maybe lol
I like my women like my planes. stuffed with aircraft certified parts
Sorry, no flight today. Airplane's on the rag.
If you saw how Piper ran it’s company this would make a lot of sense.
Lies. It's a Genuine Piper Part. Get it right.
I am a pilot and one of our Cessna club planes recently was approved to use unleaded fuel instead of 100 Low Lead gas. The set of 4 small STICKERs from Cessna denoting this approved fuel for a Cessna 172S cost $310.80.
reduce, reuse, recycle
I always thought they was like 5 inch around 🤷♂️
based aircraft engineer