[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.
        
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