[HN Gopher] Jerrycan ___________________________________________________________________ Jerrycan Author : brudgers Score : 172 points Date : 2022-01-03 21:33 UTC (1 days ago) (HTM) web link (en.wikipedia.org) (TXT) w3m dump (en.wikipedia.org) | edflsafoiewq wrote: | It says | | > The stamped indentations on the sides serve two purposes: to | stiffen the side sheet metal and to allow greater area for | expansion and contraction of the contents with heat and cold | | How does it do that? | MrLeap wrote: | Same principle behind corrugated steel / I-Beams, C-Beams, | cardboard. | | If you fold a piece of paper like an accordion, you'll find | it's much harder to bend the paper along one axis but the | parallel axis is easy. | | Notice the indentations on the jerrycan are in perpendicular | directions (they look like an X). | bluesmoon wrote: | Older folks in India still refer to these as Jerrycans. We used | to use them to hold kerosene when I was a kid. | MichaelMoser123 wrote: | > The British used cans captured from the "Jerries" (Germans) - | hence "jerrycans" | | Wouldn't that make them "Krautcans" ? I thought that "Kraut" was | more common as a derogative for Germans. | brodouevencode wrote: | https://www.quora.com/Do-Germans-find-the-word-Jerry-offensi... | adolph wrote: | Reading the etymological link [0] from Wikipedia I have an idea | that it comes from a diminutive form of the first syllable to | the word German. This English StackExchange answer [1] seems to | conceptually back me up a bit, calling it hypocorism [2]: | | _English forms nicknames in a variety of manners. Shortening, | often to the first syllable . . . . Addition of the diminutive | suffix, usually -ie or -y. It is often added to the end of an | already shortened name. This suffix connotes smallness or | endearment._ | | I'm certain someone will object to the idea of soldiers having | a term of "endearment" for the "enemy," and so I'll stress | "smallness" rather than using a name with MAN in it. | | 0. https://www.etymonline.com/word/Jerry | | 1. https://english.stackexchange.com/questions/8767/changes- | in-... | | 2. https://en.wikipedia.org/wiki/Hypocorism | pandemicsyn wrote: | I don't know if it was a derogative/pejorative? I always | thought Jerry was just shorthand slang similar as Brit was to | the British and Yanks to American's , Aussies to Australians | ...even prior to WW2 (Germany -> Jerry) ? | gorgoiler wrote: | The cam-tightening metal caps on these are so satisfying to open | and close. Fond memories of mowing the lawn / nearly burning | myself to pieces playing with gasoline. | Sparkle-san wrote: | Who can drink 5 liters of petrol and not become ill? Jerry can | [deleted] | londons_explore wrote: | In 2022, this story would have ended with.... | | And the proprietary "Jerry" can, made by Jerry Corp was patented. | When the company that made it suffered financial difficulties, | production stopped and no more cans were ever made, due to the | patent. | julienpalard wrote: | Some even transforms them to servers: https://youandjerrycan.org/ | post_break wrote: | Wavian is the way to go for a metal can. Scepter is good but was | banned and parts are expensive (In the US, Canadians have the | freedom to buy from Canadian Tire). VP racing jugs are fantastic | for plastic. You can get them much cheaper at tractor supply as | they are sold for farm liquids, not for fuel, but they are | exactly the same thing as the VP racing jugs. I used wavian for | diesel, VP racing for gas or E85 when racing. Now they're all gas | for my generator. | YeGoblynQueenne wrote: | So, the Germans made a can that was easy to fill, easy to carry, | easy to stack, didn't leak and didn't break easily. | | Then the Americans copied it and made a can that leaked (because | it didn't have the recessed seam of the original) and needed | tools (spanner and funnel) to fill. | | The British had an early version that split in transport, | punctured easily, leaked a quarter of the fuel they carried over | rough roads and "gave vehicles a propensity to catch fire" (!) | but when they saw the German design they immediately cottonned-on | and made several improvements (cam lever cap release, air pocket | and air pipe for smooth flow, gasket to leak-proof the mouth). | | Finally, the Russians copied the German design, presumably | without changes. | | There is a deep lesson in all of this about the engineering | practices, or perhaps the engineering traditions, of different | nations. I'm sure there is. | | I just can't get past the "gave vehicles a propensity to catch | fire" bit. | tensorturtle wrote: | Another significant but unnoted design feature is the ability to | pass a strap through multiple jerrycans in a row. Essential for | mounting them externally to Humvees and MATVs. | [deleted] | marcodiego wrote: | HN front page really is a bit of a lottery. I posted it 2 months | ago: https://news.ycombinator.com/item?id=29071733 and it got 0 | comments and 0 points. | joemi wrote: | This makes perfect sense given that humans voting is involved | and humans are not always consistent. | marcodiego wrote: | Yes. I'm stating with some surprise. Not complaining. | anyfactor wrote: | There is an element of randomness for sure. A post or thread | will become popular based on the timing and the first | interactions and comments. Maybe your timing was off. | | Also that is why I try my best to always comment in positive | notes whenever I am the first person there. Even though it is | easy to sound smart when you are being cynical but trying to | see the positive sides may hep an OP feel good for the day :) | mannerheim wrote: | Fortunately Germans and their descendents are fairly well-off, | otherwise we'd have to come up with an alternative word for | jerrycan that doesn't contain an ethnic slur. | beaconstudios wrote: | I don't think Jerry is a slur as much as a slang demonym like | "Tommy" was for British soldiers. I think "kraut" would be | closer to a slur but I don't know how that's received - it | seems too quaint to be offensive in my eyes. | stcredzero wrote: | I've been at the receiving end of stuff like that. Here's how | it works. If the phrase is meant to make the recipient feel | like a target, or feel inferior, and it does, then it's a | slur. It's highly contextual. | | If you peel things back a layer, it's all about someone being | made "other." This is why some people in 2021 who tell | themselves they are standing against racism read just like | the racists who bashed me when I was young: They are the ones | self-righteously justified in demoting someone from full | human status. Yes, racists often convince themselves they are | making the world a better place! It's that aspect that's key! | | One doesn't fight othering by targeting a fellow human being | as "other." One doesn't fight hate by promulgating more hate. | The right side of history is about empathy, compassion, and | convincing. The wrong side tries to disguise the opposite of | the above as compassion. | beaconstudios wrote: | Yeah obviously offense is derived in part from intent as | well as historical and current cultural usage. I don't | think anyone is shouting "damned Jerry!" while spitting at | Germans in the street though. There are plenty of words in | the world that _are_ used that way, that we should be | concerned about and avoid using (and criticise /educate | others for using, depending on usage). At the end of the | day it all comes back to "don't abuse people". | krylon wrote: | As a German, I find "kraut" more amusing than offensive. I | can only speak for myself, of course, but I think a majority | of Germans would find the term more humorous than anything | else. | | Full disclosure, though, I like Sauerkraut a lot, which might | play into it. | bigmattystyles wrote: | Counterpoint, calling any Vietnamese person Charlie is very | offensive. | chrissnell wrote: | Declaring a name "offensive" to an entire race of people is | a stereotype and also offensive. | adolph wrote: | Which is kinda strange since the VC were very effective. | mulmen wrote: | The VC didn't call themselves VC. Any Vietnamese person | you meet in the US today is unlikely to be "VC". It's | like calling Germans Nazis. | mannerheim wrote: | Most Vietnamese in America are from South Vietnam or | descended from those from there, so that's probably one of | the bigger reasons for their offense. | Fatnino wrote: | It's a very short hop from the word Ger(man) to Jerr(y) | pfranz wrote: | Eh. I feel like that diminishes why hurtful names fall out of | favor. I also think while it's interesting slang, I wouldn't | lose sleep if it was replaced. To your point, afaik it hasn't | really been used as hurtful slang since the war. | | I can't speak for the world, but in my experience descendants | of Jews are fairly well-off and there's quite a few slang words | people don't use anymore. | hereforphone wrote: | Just because you don't like this person's comment doesn't mean | it's incorrect. Try and keep an open mind. But I don't agree | that it's due to being "well off". If it were called a "Japcan" | there would be backlash. | ddoran wrote: | Related article and discussion from 11 years ago: "The | Wehrmachtkanister, a/k/a Jerrycan: Astonishingly good industrial | design from the 1930s" [1] | | https://news.ycombinator.com/item?id=2692840 | usrbinbash wrote: | It's amazing what impact something that seems that simple on the | surface can have on something as complex as a theater of war. | From the article: | | > _Such was the importance of the cans in the war effort that the | President Roosevelt administration noted "Without these cans it | would have been impossible for our armies to cut their way across | France at a lightning pace..._ | | Good engineering, even in the simplest things, can have a huge | impact. | johnflan wrote: | Especially when you consider | | > A battalion could use almost a hundred gallons (about 450 | litres) of fuel per day in making tea. | | Via the Wikipedia pages on the Benghazi burner | dmix wrote: | Here's some pictures of what the US millitary replaced the | Jerrycan with (A-A-59592 B): | | https://www.google.com/search?tbm=isch&q=A%2DA%2D59592%20B&t... | | > The National Stock Number is 7240-00-222-3088. It is considered | obsolete by a new A-A-59592 B specification, having been replaced | with high-density polyethylene versions. | | A website with the scope and original development documents for | the replacement of the traditional jerrycan (plenty of military | bureaucracy went into this too): | https://quicksearch.dla.mil/qsDocDetails.aspx?ident_number=2... | bonestamp2 wrote: | We had some power outages last year so I bought a generator. I | had to buy three different jerry cans before I found one that was | compatible with the fuel vapor reclamation systems that are on | modern gas pumps (or at least all the pumps near me). Basically, | if the fuel pump nozzle can't create a (near) air tight seal on | the jerry can, it won't dispense fuel because it needs vacuum | pressure to reclaim the vapor. Most jerry cans now have a mesh | filter or some other kind of impediment inside the nozzle that is | usually there for a good reason, but often prevents a seal of the | fuel pump nozzle. | | If you're thinking about getting a generator, get a compatible | jerry can before the emergency. | quesera wrote: | In the US, this varies by state. | | Some states require vapor recovery nozzles, some do not. | | Some states allow a latching valve trigger, some do not. | | Some states allow you pump your own gas, some (until recently | at least) do not. | | ... | | Not sure if this is still true (I no longer live in a vapor | recovery state!) but you used to be able to trick the sensors | by pushing the recovery hood back with one hand before pulling | the valve trigger with the other. This might even be an | intentional bypass for filling containers? | mulmen wrote: | When I fill my motorcycles I hold the hood back. The fill | hole is too large for the hood to work anyway and if I insert | the nozzle all the way I would end up with less than half a | tank of gas. | bonestamp2 wrote: | > you used to be able to trick the sensors by pushing the | recovery hood back with one hand before pulling the valve | trigger with the other. This might even be an intentional | bypass for filling containers? | | Good tip, I actually asked a couple of gas station attendants | and they had no idea how to get around it. I'll give it a | shot with one of the cans I wasn't able to fill. | londons_explore wrote: | This is a USA only problem. In the rest of the world, a gas | (petrol) pump will happily dispense into a bathtub if you want | it to... | ljf wrote: | And not sure if it an issue across all of America. I saw a | video of a man who had lined his pick up trunk bed with | plastic sheeting and was filling it with fuel before driving | off. I assume there was no vacuum there? Unless it was a fake | video? https://youtu.be/CbTfmI7XCTQ | a_t48 wrote: | Top comment on the video says it's likely faked :) | bonestamp2 wrote: | Yes, it used to work that way here. I don't believe it's USA | only though, this environmental protection system appears to | be used in Canada as well. Apparently these systems aren't | needed any longer as vehicles built since 2006 have vapor | recovery systems built in (which is also why it's detrimental | to your vehicle to "top up" your fuel tank now). | SavantIdiot wrote: | Military design is fascinating: because they have such a huge | number of testers, small details like the expansion indents and | the dual-purpose handles evolve. | | Today I see these lashed to the sides of Suburban Assault | Vehicles all over town, typically paired with a Roof Tent, an | axe, a shovel, and an engine snorkel (and a pristine paint job). | WalterBright wrote: | You can always tell a never-off off-road vehicle by not a spec | of dirt on the brightly painted differential. | tshaddox wrote: | On the other hand, people might just occasionally clean their | vehicles. | WalterBright wrote: | Including the differential? Very rare. | throwaway0a5e wrote: | Your original comment was just facially wrong to begin | with. A diff cover is gonna get nice and dirty with just | normal road use. | | Vehicle undersides should get washed fairly regularly | anywhere there's road salt. People tend to wash off mud | too because it traps moisture and causes corrosion | (slower than salt though). | WalterBright wrote: | > should | | Yah, who does that? 1 in a thousand? And if you drive | through a car wash, nary a squirt is directed at the | underside. | | The _real_ offroaders have filthy vehicles. | | Besides, pressure washing the underside is a risky thing | to do: | | 1. it drives off the grease and oil, which protect it | from rusting | | 2. the pressure can dislodge wires and other things | | 3. it can force water into cavities and gaps where it can | cause trouble | | 4. it can erode gaskets | | 5. the bottom of the car has drain holes, pressure | washing will force dirty water up into the cab | bluGill wrote: | Unless you repaint it that will just show all the | scratches. It is hard to spend time off road without | scratching paint. | creato wrote: | If you mean literally driving off any road through bushes | or something, maybe. | | But the vehicle described above just sounds like an | average camping setup (aside from the snorkel) that | doesn't need to get scratched up to get used. Although I | think rooftop tents are pointless. | adolph wrote: | Who hasn't spraypainted fake-carc right over that gas-dust | that collects in the handles? | real-dino wrote: | I have one I use for my diesel heater. I only ever fill it half | way up though, as walking more than a minute with it full to the | brim is a painful affair. | ticklemyelmo wrote: | You need a partner to use its two-man mode! | real-dino wrote: | I carried one with a friend, and this functionality didn't | help that much, we still had to take turns. Especially on a | narrow towpath. | ape4 wrote: | Somebody is going to name their software product "Jerrycan" in | 2022. | klyrs wrote: | Will it carry "gas" for a cryptocurrency? | trutannus wrote: | I fully expected this to link to a software project of some | sort. Apache Jerrycan sounds like a convincing software I would | believe existed. | | Edit: I was surprised to learn that jerrycan.js does not exist | either. | acherion wrote: | Slight tangent here, but back when I owned a 1995 BMW 525i I | discovered while browsing a parts catalog that BMW had developed | a special emergency fuel jerry can[0] that slots into the spare | wheel. The can was flat bottomed but the sides curved to fit | inside the spare wheel (it was a full sized wheel back then) and | it had a removable metal hose that clipped on the top when not in | use. It was a fantastic piece of design. It held 9 litres if I | recall correctly, so it wasn't too heavy to carry when full (of | course, you store it empty, and if you run out of fuel you take | the empty can to the nearest fuel stop and fill up there). | | I was lucky to find one on eBay that was in new condition, and I | kept the can when I traded in my BMW for another BMW, | unfortunately my current car uses runflats and hence no spare | wheel, so I just keep my jerry can in the garage. | | [0] https://classics.pt/images/artigos/deposito-roda- | suplente-9l... | jmspring wrote: | Wavian makes good Jerrycans. They were severely backlogged during | covid. I have a few that I keep with each of my vehicles. | CapitalistCartr wrote: | https://wavianusa.com/ | jmspring wrote: | Yep. | nsxwolf wrote: | Protip: In video games, if you shoot the red ones they explode. | JCM9 wrote: | :-) This is one of these fake physics things that action movies | and video games have put into our heads. In reality if you | shoot a fuel can it will likely just leak out of the hole and | maybe, if you're lucky, a spark will be created that lights the | fuel leaking out on fire. | | It almost certainly won't "explode" as there's no oxidizer in | the can apart from a bit of air. Tannerite does explode on | shooting but that's because it's a precise mixture of fuel and | oxidizer that reacts easily on high speed compression. | toxik wrote: | A near empty can may approach stoichiometric ratios though! | Gas is combustible. | dinkleberg wrote: | I know this is a tangent to the topic at hand, but this | reminded me of an interesting video I felt compelled to share. | | It's a video on the history of explosive barrels in video games | https://youtu.be/LMYEE8lvlvA | sli wrote: | I knew this would be the Ahoy video before clicking. He makes | some really excellent videos and nearly all of them would be | at home on HN. | tyilo wrote: | They're made of steel? I've never seen one in real life, so I | assumed they were made of plastic. | WalterBright wrote: | It's amazing how much clever engineering went into such a simple | device. | | And how much it is forgotten today. I have a couple 5 gallon | plastic gas containers. They are terrible in comparison. For | example, instead of an air pipe to allow smooth pouring, there's | a separate cap which has to be unscrewed, and then the cap is | inevitably lost. | | Modern ones have this spring-loaded spout, which is supposed to | prevent spillage. It inevitably _causes_ spillage, because the | spring is so strong you cannot regulate the flow, and the tank | fills too fast and overflows. I _hate_ spilling gas every time I | load the lawnmower tank. | frosted-flakes wrote: | But the separate air vent works so much better than the spouts | with an integrated air pipe. The cap normally has a tether so | it doesn't get lost. | WalterBright wrote: | The tether soon broke on all my cans, and I was careful with | them. | eigenvalue wrote: | You should buy one of the original design cans on eBay. I just | checked and they are around $35 (but another $20+ for | shipping!). | [deleted] | HeyLaughingBoy wrote: | My spout has on two occasions, come off completely and ended up | _inside_ the tank! Looking at it, this shouldn 't be possible, | but it somehow happened. | dharmab wrote: | You can thank an overly specific EPA regulation for the | terrible spouts. | | https://ezpourspout.com/why-gas-can-spouts-changed/ | | You can still get the old style spout in Canada. There are also | companies that sell "replacement spouts for water cans" that | look suspiciously like the old gas spouts. | duxup wrote: | I always assumed the internal plastic cap on my plastic | containers was to avoid fumes escaping or something like that. | | Also the ergonomics of my plastic container and spout are | pretty great / look better than the jerrycan for my use. | toast0 wrote: | There's a company selling new metal cans and an optional 'for | amusement only' long flexible spout. They've got a better | CARB/EPA compliant spout than the plastic cans, too, but it | still leaks more fuel than the amusing spout. | throw0101a wrote: | > _I have a couple 5 gallon plastic gas containers. They are | terrible in comparison._ | | There are terrible designs _everywhere_ : read _The Design of | Everyday Things_ by Don Norman. | | Heck, even _doors_ : the moment you have to put signs that say | "push" and "pull" on a door you know it's a terrible design. | Have a look at product reviews on _American 's Test Kitchen_'s | YouTube channel, and things as 'simple' as spatulas and cooking | pans can be have bad designs. | | If you want old-school design "jerry cans", checkout Wavian for | metal options: | | * https://wavianusa.com/collections/nato-fuel-cans | | For plastic (HDPE ) options in the same design language see | Scepter: | | * https://www.scepter.com/products/consumer-products/ | | Comparison discussion between the two: | | * https://expeditionportal.com/forum/threads/scepter-mfc-vs- | wa... | WalterBright wrote: | Oh yes, I read and have a copy of Norman's book. Every | engineer should read it. | 83 wrote: | We can't get Scepter MFC cans in the US, I've searched | extensively. Not sure if that's due to California CARB or the | federal save the children rules. We can overpay on ebay to | buy them second hand from Canada though. It's a shame because | I'd love to have a durable can that doesn't spill and leak | like crazy like the newer ones. I'll probably try the | Wavians, but plastic cans are superior to metal for my | intended use so it's a compromise. | [deleted] | [deleted] | k_bx wrote: | That is an excellent YouTube channel, the reviews in | particular. Thank you. | sysadmindotfail wrote: | MidwayUSA makes these for HarborFreight now - | https://www.harborfreight.com/5-gallon-jerry-can-99551.html | WalterBright wrote: | It advertises an "automatic shutoff". This may be the same | wretched gas-spilling device on my gas can. | bitbckt wrote: | Buy a Wavian and the One True(TM) nozzle: | https://armysurpluswarehouse.com/wavian-jerry-can-nozzle/ | dotancohen wrote: | > Heck, even doors: the moment you have to put signs that say | "push" and "pull" on a door you know it's a terrible design. | | I recently pulled on a push door that had a pull handle. One | of the condescending managers there asked if I could read. I | answered that I always pull before I push to avoid merge | conflicts. I have no idea if he understood. | mrslave wrote: | I had to fight my metal-over-plastic instinct when it came to | jerrycans. I've seen some metal ones rust internally and | affect the stored liquid. Plastic ones are color coded which | is another boon. They're lighter, and you can get them | smaller than 20L. | dbot wrote: | I've had Wavians for a couple years. In our lake community, | we get compliments about our gas cans. It's amazing how | people respond when you build something well. | js2 wrote: | > I hate spilling gas every time I load the lawnmower tank. | | I finally got fed up enough with my gas mower that I switched | to an Ego electric mower. No, it doesn't cut as well as my | Honda did, but it cuts well enough, and not dealing with gas | makes the experience so much more pleasant. | | For reference, I'm mowing fescue grass in NC, have a sloped | yard on the side and in back, and it takes me about 45 minutes | to mow the entire property. I use the mulching blades and don't | bother bagging. I usually have about 15-20% battery left when | I'm done. I've only mowed one season so far. I don't recharge | till the day I mow so I'm not storing the battery at 100%. | jsight wrote: | Ego products are great. I just wish the batteries were a bit | less expensive. | wtf_is_up wrote: | I've used EGO mower and weed eater for 3 years. Very similar | use case as yours. It was a great decision in hindsight. I | also love how quiet they are compared to gas equipment. | toomuchtodo wrote: | Ego electric lawn products are very good. | 14 wrote: | I much prefer the cap design. All mine were connected to the | can so you would not lose them. I did ones time forget it was | open and ended up dumping a bunch of diesel on myself. The nice | part of the cap design is you can widen the hole slightly and | get a much faster poor where most Air tube designs are small | and incredibly slow. | aidenn0 wrote: | Is there a name for the effect where there is a superior product | X, everyone who uses it agrees that X is superior (to the point | of acquiring their own personal X's when they can), but when | shown to those responsible for procurement, they say "I don't get | it" and continue to order the same old thing? | | I'm specifically thinking of cases where it's not corruption | causing the purchases, but plain-old incompetence. | chmod600 wrote: | That's called "central planning". Central planners simply can't | collect the right information anywhere near quickly enough to | make efficient decisions. | | Modern computing means it works for quantifiable things. But | when it's something like inconvenience, it's hard to quantify | and central planning will still fail. | AdamN wrote: | You might be interested in the concept of 'satisficing'. A | product needs to be significantly better to replace an existing | product that is satisfactory. | | Your point is slightly different though and can be seen with | M16 still being the assault rifle of choice in the US military | even though it's not as good as other products by most | measures. That's more the IBM effect where the agent deciding | which option to buy has nothing to gain by challenging the | status quo. If IBM fails, it's not your fault. If you choose | something else and it fails, it's your fault. Success won't be | recognized either way so the obvious choice for a purchase is | IBM. | aidenn0 wrote: | It's interesting because the difference between the jerrican | and existing cans were lots of small affordances that add up: | fewer tools needed and easier to move around. In the end, | soldiers will find a way to put gas in vehicles, so there's | never a problem from the strategic view even though several | small efficiencies can add up to a big difference both for a | single person gassing up a tank and then multiplied by the | number of tanks that are involved in warfare. | | When OS X came out about 20 years ago, the UI was so much | better than Linux desktop environments of the time. I think | that is a relatively uncontroversial view, but try fitting | the differences between them into a checkbox-style | acquisition table and they both use the basic WIMP interface; | the obvious differences (icon dock, global menu bar) are if | anything something that people moving from Linux to Mac | _dislike_ about it, yet those same people will tell you that | the overall experience is better. | tomatotomato37 wrote: | I'm imagine sunken costs fallacy applies too with the costs | being tooling, supply lines, etc. Changing from smooth tin | cans to stamped steel cans with internal liners does require | a substantial investment in new tooling. ___________________________________________________________________ (page generated 2022-01-04 23:00 UTC)