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Mexican railways thread? The government of Mexico is trying to bring back long distance passenger routes and building light rail in the Mexico City metropolitan area
Railway history in Mexico is actually very interesting. They used to have a national railway company called FNM after they nationalized all the railroad companies in 1908, until the 1990s when they privatized it.
>Isthmus of Tehuantepec railway - three lines
>Buenavista to AIFA airport to Pachuca intercity railway
>Texcoco to La Paz light rail
>Costeno, Jarocho route revival
>Mayan Train
43 replies and 19 images omitted. Click here to view.
>>
They should just convert all the trolleybuses in Mexico back to trams already. More capacity and lower to the ground. Take some pressure off the metro
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>>2066899
The trolleybus network was in terrible shape until they got some new chinese trolleys. They also got new chinese LRTs. So maybe if China sells them some trams they might get some tram lines going as well.
>>
>>2066957
China doesn't really sell trams except for that DRT shit. I'm sure they could probably custom order it though. Mexico City trams would probably be CAF, Siemens, Bombardier
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>>2067013
>Mexico City trams would probably be CAF, Siemens, Bombardier
They could never afford that.
>>
>>2067019
>>2067013
bombardier isnt real

In which we discuss the Bikelighting culture (Fahrradbeleuchtungskultur) of our countries.

Here in Germany, because of the Danger, it is not allowed to have a blinking Taillight. This is also the Reason that all emergency Vehicles in the World have blinking Lights. By attracting other dangerous night Vehicles to crash into the Ambulance, instead of the civilian Vehicles, it spares Drivers in smaller Vehicles, where the Occupants are less able to administer emergency self-Aid. This is the Consequence of what we call a „high trust Society“; our culture of Politeness dictates the most Risk to the most capable Roaduser. The same Expectation is extended to Police and Construction Engineers who are paid more for occupational Hazards such as a blinking Light.

Do you have a Law about blinking Bikelights in your Country?
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>>2065165
Where is this?
>>
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I need
>rear rack mount
>battery powered (non-USB)
>integrated reflector
>durable
rear light.

Any recs? From reading reviews online, all lights seem to break within 2 years.
>>
>>2067051
I had a B&M rear light on my Tubus rack that fit the description. It was absurdly weak (like all G*rman lights) and it took removable batteries, AAA I think, so that was annoying. There's no reason to torture yourself with that kind of crap if you aren't required to by law, American style laser beam blinders are lighter, brighter, easier to use, and more durable
>>
>>2067053
But I can't find any for the rack specifically and I don't want to USB charge once a week. If its weak I may supplement with additional LEDs on thr saddle or something.
I found the Knog Link for racks, but that magnetic strip looks like its not very secure. Plus it doesn't reflect.
>>
>>2067057
you might need to /diy/

https://x.com/GE_Aerospace/status/2018421720126722225
24 replies and 3 images omitted. Click here to view.
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>>2065241
They care, but it's of secondary or tertiary importance in most cases. The military is forced to hang onto their planes a lot longer than commercial aviation due to the vagaries of congressional funding instead of a steady income of ticket sales, so the opportunities for technology insertion are limited, and small percentage increases in performance won't pay off over the lifetime compared to commercial air where they're sortieing multiple times a day. A lot of time is spent working on obsolescence issues, replacing parts that stopped being made decades ago. The military does take big swings though, a lot of engine firsts happen there.
They swapped the old 4 blade canoe paddles on C-130H models to 8 blade NP2000 props and dropped the noise significantly. It also upped the performance so JATO bottles were no longer needed when working in polar conditions.

https://www.133aw.ang.af.mil/News/Article-Display/Article/3029257/133rd-airlift-wing-welcomes-first-eight-bladed-propeller-c-130/

Anyhow I spent several years doing military jet engine procurement, so I can speak a bit from experience.
>>
>>2065881
sorry you live in shitholistan that has regulated flight to be 3x what Americans pay for it
>>
>>2065849
>For triple the price
It's only that expensive because of globohomo
>>
>>2065224
>subjectifying absolute facts
Dont interrupt when the men are talking, madam.

>>2065234
You are a techno-narrisist baby who has no idea how the world works. Your toxic optimism will kill us all. Living beyond your means cause pencil stroke and dreams were cheaper than reality on The Jetsons is no excuse.

>>2065480
>decline
Reality finally being met.

>>2065849
If you keep using it, they will keep subsidizing it....

>>2066015

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>>2064875
Fuck, got me.

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What if the wires were as free to use as the roads themselves? Instead of just one city trolleybus every few minutes you could have a whole world of privately owned In-Motion Charging vehicles. Imagine the wires feeding vans, trucks, private bus lines, anything you don't want shitting diesel fumes as it idles in traffic.

This obviously doesn't make sense if electricity generation is constrained or expensive, but as fusion power comes online and energy gets an order of magnitude cheaper it could become worth it for cities to just eat the cost and reap the other benefits, or have some other higher level government subsidize the programs.
>>
I asked Claude Opus about this and it's apparently profitable for certain congested truck routes between seaports or railyards and interstate onramps even with current energy prices if fuel prices stay high enough (lol California). If it can work at 55-65mph (current trolleybus systems usually top out at 40mph), some pretty decent chunks of interstate running through cities can be worth it. Imagine all the shitty diesel noise of urban traffic jams replaced with silence.
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>>2066756
https://www.youtube.com/watch?v=_3P_S7pL7Yg
>>
>>2066857
Good video, thanks. Looks like the tech is there, but typical euroqueers tried using it in the wrong places and so abandoned it.
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>>2066760
>I asked Claude Opus about this
Good on you for admitting it but nonetheless, kys
>>
>>2066756
>>2066760
Having seen the condition of the trucks run down here in the ports of Long Beach and Los Angeles, I can readily envision the janky shit the truck drivers would do to their rigs that could inadvertently damage overhead trolley wires. FFS, rather than buy new tires, they pay guys crawling around the yards to cut new treads into their bald tires.

And if you expand the use of the trolley wires to the public in general, holy fuck. Think of the shittiest hoopdies you've seen in the bad parts of town and imagine them hooked up to a high voltage system. If the wires or power delivery systems themselves don't get damaged, think of all the car fires from fuckwads hooking their 06 Prius with four mismatched body panels and a homemade lithium koolaid battery wired into an inverter using parts of stripped jumper cables and connected to the overhead wires with a trolley pole made out of an old TV aerial antenna.

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>The San Diego and Arizona Eastern Railway (reporting mark SDAE) is a short-line American railroad founded in 1932 as the successor to the San Diego and Arizona Railway (SD&A), which was founded in 1906 by entrepreneur John Spreckels. Dubbed "The Impossible Railroad" by many engineers of its day due to the immense logistical challenges involved, the line was established in part to provide San Diego with a direct rail link to the east by connecting with the Southern Pacific Railroad lines in El Centro, California.
>the railroad has a checkered history, with periodic disruptions in service to rockslides, storms, fires, and derailments, and has never been profitable
>the line ceased being used in its entirety decades ago and has been bounced around by owner to owner ever since
>at present, only a fraction of the line in San Diego, Mexico, and Campo is actively used, with the rest being left to decay

Here's my questions:

1. Were the "Impossible Railroad's" issues inherent to the climate and terrain, or more so the technological/economic limitations at the time of its construction (the railroad was built with anachronistic infrastructure such as wooden trestles)?

2. If funding could secured, would it be possible to rehabilitate or even rebuild the line in its entirety using modern engineering techniques to negate the hazards that plagued its previous incarnations?

3. What services could be provided to make the line economical, or even turn an actual profit? Obviously there's tourism, Carrizo Gorge attracts thousands of tourists a year (many of whom come to gawk at the ruins of the railway). I recently found out that the Mexican portion of the line is used to host the Tijuana-Tecate Tourist Train (pic related, several gallery cars that were originally intended for it but ultimately left unused) and has proven quite popular. But I'm also wondering industries could be served or even if a US-Mexico commuter service would be feasible (ignoring current diplomatic issues)
38 replies and 3 images omitted. Click here to view.
>>
Nobody would want to use an ancient ass ROW that dips into Mexico.
>>
>>2046941
>So the coaches got shunted there, had the tunnel collapse, and the owners just went "fuck it" and left them there to rot?

Yes
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>>2062276
That's fucked
>>
>>2038870
Rail is god, but there are some places even god shouldnt go. The existence of Phoenix (5th largest city) may be the greatest ecological crime in the u.s.
>>
>>2057533
Were they talking about passenger traffic? What's the example?

What's next in bicycle tech?
61 replies and 13 images omitted. Click here to view.
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>>2065275
https://clikvalve.com/pages/licensing-intellectual-property
yes they do thats the point duh
>>
>>2065264
>>2058310
>99% of automotive lights are 12v
>99% of personal lights are either 5v (compatible/chargeable by USB) or 2.5-3.3v (your usual 2x AA/AAA battery setup)
>99% of other small electronics are USB
>it's a light, often controlled by one switch or button
you actually don't need a new standard for this. You need a power rail, and a control line. Screw terminals and wire levers have been a thing basically as long as electricity has been a thing. All that would have to be done is instead of having everything soldered down, the on/off switch and power hookup have a couple of screws so you can attach your own lines to an external button and power supply, and even then, it's not exactly difficult to modify the average shitty light to do this since they often have swappable batteries anyway
>>
>>2058418
I'll take the Shimano Championship
>>
>>2060745
rent free
>>
>>2060745
>e-cargo "bike"
no they are not, they are dropping 1500$ on a fatbike with a hub motor on it or an "electric hybrid motorcycle" that's basically a gutted Ninja with pedals taped to it so they dont have to get insurance or registration

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Airport people movers: soul, or soulless?
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>>2066243
>>2066306
That's a VAL for Frankfurt/Main's new airport peoplemover to Terminal 3.
While the original VAL was your "conventional" rubber-tyred metro with guide rails on the side and a central guide for switches, the newer generation VAL somehow involved Lohr (as in Translohr) in its development, going for a single central guide rail.
>>
Close to the idea final form of a train. A room with doors that moves, nothing extra.
>>
Took the one going to Terminal D at LAS. Sure beats going to TBIT in LAX with the horrible long walk underground
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pure unadulterated sex
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>>2066948
Why is she looking at me like that!?

Post road network gore.
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>>2047792
>AAAAAAAAAHHHH I CAN'T EVEN FIT MY MOBILITY SCOOTER THROUGH HERE WHAT DO YOU MEAN I HAVE TO WALK 50 STEPS SAVE ME ELON AIEEEEEEEE
>>
>>2049193
Niggers
>>
>>2066903
Good thing "we" is every taxpayer, you commie faggot.
>>
>>2066981
>roundabouts are not a traffic calming device
Yes they are. That is why they are so safe in the first place.
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>>2066981
Im not civil engineer, but if roundabouts prevent getting t-boned at a 4 way, id call that "calming".

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Can they become applicable for the air equivalent of trailer car? Can they help people flight in slow but somewhat more comfy travels? Or is it a pipedream?
4 replies and 1 image omitted. Click here to view.
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>>2065207
No.
>>
I've been waiting on the dynalifter for twenty years. It's not happening. I'm sad.
>>
>>2065450
They should make it in a military budget version. That might make it applicable for future civilian use as a civvie version or a second hand military equipment,like warbirds or even hueys..
>>
>>2065173
They need to use them for telecom. Why the fuck do we need to go to space?
>>
>>2065173
the french are making a fret airship, mostly for canada, to transport mostly lumbering in remote area, so there's a future for airship fret
it's also interesting because you barely need any infrastructure for transport itself so you don't have to buy a ton of separate properties to lay rail like train
also there's multiple prototypes of anchored airships with turbines that can be an alternative to wind turbines that need a gorillion tons of aluminium (pollute to make and recycle) and the other gorillion of tons on concrete necessary so your aluminium pillar stay in place (which destroy soils)
so unironically airships are the future but it's too inefficient sizewise to be used as a trailer car

If I went around in the heaviest most inefficient shoes possible to make a statement, people would rightly think I was a tryhard, trying to show off how strong I was, or otherwise basically see it as impractical, quixotic, or foolhardy. Normal people prefer lighter shoes that are more comfortable and efficient. Especially elderly women, people who aren't fitness freaks, etc.

Yet if I do the same with a bicycle, all the urbanists want to suck my cock for being "practical". With bicycles, riding something comfortable, efficient, that doesn't ride like a boat anchor, is tryhard, show-off behavior. The least practical bike is seen as practical down to earth stuff for normals, and the most practical bike is seen as status-seeking show-off sports equipment for the very strong. Casuals belong on bikes that convert most of your pedal input energy into rattlecan noises and heating up the tires. Bikes that are reasonably effective at "bike things" are classified as competitive hobby gear.

When did this mentality take root and who is responsible?
21 replies and 3 images omitted. Click here to view.
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>>2066650
>Yet if I do the same with a bicycle, all the urbanists want to suck my cock for being "practical". With bicycles, riding something comfortable, efficient, that doesn't ride like a boat anchor, is tryhard, show-off behavior.

Carbon is simply and totally unfit for urban lock-up situations, throwing into a truck, and shoving into a corner of a garage. It can and will get damaged and it can and will break and that can send you flying under a car.

That being said I'm extremely pro aluminum frames. They are better than steel. I don't care if you can't bend them back like steel, that's not worth the weight to me.

I do think forks should be steel only for the sake of safety and comfort.

All practical bike should be alloy frame and steel fork

Carbon is great for serious racing and careful use
>>
>>2066727
>My new movie will prove this.
THE CHILLEST RUSH
A neon-pink title card slams onto the screen: MAXIMUM RELAXATION.
We see a pair of tanned calves pedaling with the urgency of a sloth on vacation. MAKO (24, wearing a bucket hat and a Hawaiian shirt unbuttoned to his navel) is navigating the treacherous "Red Zone" of the boardwalk.
He isn't on a fixie. He’s on "The Big Kahuna"—a 60-pound, rusted beach cruiser with handlebars wide enough to snag a passing hang-glider.
MAKO (V.O.)
People think being a courier is about fixed gears, steel frames, and urine-soaked spandex. They think it's about v = d/t.
Mako narrowly avoids a toddler by back-pedaling his coaster brakes. The bike screams like a dying whale.
MAKO (V.O.)
But me? I don't believe in math. I believe in vibes.
THE MISSION
Mako’s handlebar basket contains a single, lukewarm Açaí Bowl.
THE STAKES: If the granola gets soggy, Mako doesn't get his five-star rating. If he doesn't get the rating, he loses his "Top Shaka" status on the delivery app, SandDash.
THE ANTAGONIST

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>>
Mako reaches into his basket, takes a sip of a coconut water, and whistles. A group of TEENAGE SKATER KIDS appears from behind a dumpster.
MAKO
Yo, little homies. Five bucks and a hit of this organic jerky if you carry the Kahuna up for me.
While Viktor is gasping for air at the top, his quads vibrating with lactic acid, Mako is being carried up on a literal throne made of skateboards and peer pressure.
THE DELIVERY
Mako rolls up to a mansion. He arrives exactly three minutes late. Viktor is already there, collapsed on the pavement, vomiting into a rose bush from overexertion.
The door opens. A KAREN appears.
KAREN
(Looking at Viktor)
Ugh, gross. Is he dying?
MAKO
(Handing over the bowl with a wink)
Nah, he just forgot to hydrate his soul. Here’s your bowl, Brenda. I added an extra sprinkle of "Ocean Mist" (it's just sea salt he found in his pocket).
She checks the bowl. It’s a melted purple soup.
KAREN

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>>2066894
>>2066895
I’m not a regular visitor to this board, or serious cyclists. 10/10
>>
>>2066894
>>2066895
i would actually watch a feature length movie like this. calling out over-the-hill californians (and how over-the-hill californian "vibes" are) whilst tacitly admitting that truly, we all wish we were that chill (and that wealthy to enable such chillness)

unironically better than whatever >>2066298 was trying to accomplish

only thing i would change is that VIKTOR is not a character. the bike is the character. similar to how mr bean had the THREE WHEELED CAR as his nemesis, not the driver of said car. to keep the pace it's an e-bike and constantly suffers electrical and mechanical problems and bursting into flame is a running gag (it is perfectly fine by the next scene, somehow). the rider is some dude in bootleg motorcycle leathers and his name/face are never revealed, nor even his reason for hassling MAKO. (he is a metaphor for All Other Cyclists, similar to how the Three Wheeled Car is the embodiment of All Other Traffic)

i may steal your idea and just write a screenplay myself for yuks

Are there any actual disadvantages to them? They seem to perform as well as standard bike frames but with the advantage of being easier to mount and dismount without the top bar getting in your way. I know they were originally marketed to women who wore skirts because the top bar on traditional bikes got in the way and exposed their panties but it never quite made sense to me why these weren't just the "default" frame style in the first place, especially since most utility bikes and pretty much every single E-bike on the market uses this style of frame.
102 replies and 26 images omitted. Click here to view.
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>>2065329
is that really "step through"? it's more just kinda tilted backwards

i thought being "step through"/a girls' bike requires that the top bar doesn't come into contact with the seatpost at the same point the rear fork does.
>>
>>2065409
Idk dude it's a fucking bicycle, don't get all technical with terminology. Less likely to smack your nuts and easy to dismount and stand over it, all around better.

FYI sedan coupe station wagon SUV crossover and are all loose terms with tos of overlap and technicalities that most people don't know about (Sedan means straight roof, there used to be lots of 2 door sedans) and coupe has curved or sloped roof, lots of 2 and 4 door coupés. And wagon and coach and shooting brake, all have their distinctions from carriage days.
>>
>>2046762
Normies have less excuses to not ride. I always get on like a horse so its a non issue to me.
>>
>>2046762
It looks gay
>>
>>2047500
Israel won, man.

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Cyclists of /n/, do you wear a lot of loud obnoxious advertising logos on yourself when you ride?
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>>2064055
schwalbe
check mate
>>
>>2064057
new-old stock does not count and you are a poorfag and probably colored. 30 inches is the minimum if you want to actually go fast.
>>
>>2063981
>in fact most people are still on 26,
literally who
>>
>>2063972
t. detached from reality
>>
>>2063972
I would like to have some of what this person is smoking

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You guys like Roaring Camp?

I like Roaring Camp.
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>>2065917
>overpriced

Gotta admit that $50 for a 90 minute trip compared to Niles Canyon's $30 is a bit of a hard sell, but I Roaring Camp runs as a year-round business with paid staff so profits are a must for them. With NCRY, they can afford the lower prices because they only need to pay for the upkeep of the property and the rolling stock.

Day Out with Thomas is a total ripoff though.
>>
>>2065925
>Day Out with Thomas is a total ripoff though.
Yeah, but the kids love it.
>>
I went there as a kid and no other train experience really lived up to that. You must have to be a really jaded foamer to say stuff like this >>2065917
>>
>>2065272
It's a nice place. Shame that we'll never have the original experience of crossing the corkscrew trestle. Also the beach train line used to have another tunnel until it was burned down in 1993. Now the train goes through the cut away right next to the buried tunnel remains.
>>
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Has anyone ever been to Eadaville?

It's a shame all their steam engine are gone, particularly the fiji sugar engine (pic related).

Can non-electrified trains that share their track at least partially with freight mainlines be considered light rail? Would the late OnTrack (Syracuse) qualify?
>>
>>2066774
idk what else you'd call the njt river line
>>
>>2066774
If you run something on underused heavy rail that you didn't even swindle Washington to get built and call it light rail, that's a textbook case of stolen valor.
>>
Imo the big distinguisher is could you run a fleet of locos and push/pull cars on the line. If yes, then it is commuter rail. If no, and there are high level platforms then it is heavy rail. Everything else is light rail.
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>>2066774
Austin has a light rail line with diesel powered units that shares track with a freight/tourist line.

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I NEED electronic shifting!
It's SOOOO much better and faster and smoother than cable shifters!
Shimano please take my one thousand american dollars to make my shifting divine forever! *
(*- until next iteration of Di2 releases)
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>>2056430
my morning commute will never recover from this
>>
>have 8 speed friction shifting on my classic bike
>pretty good
>want to try 10 speed for more gear range
>oshitniggawatudoin!?
Surely 9 speed is the solution to this problem, right?
>>
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perfection already exists, if you need more you are dumb goonsoomer
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>>2064906
it seems to me once you get that tight with your gearings, you kind of NEED indexing, no? I mean it would be just an obnoxious amount of hunting to get the right amount of lever movement? I haven't had friction shift since like 1998 so needless to say it's been a while.
>>
>>2066420
bit the bullet and just switched to chink indexing. Pretty good desu. Maybe I haven't experienced what "crisp" and pristine shifting feels like but LTWOO's 10 speed road is pretty good.


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