This is a REAL BRIDGE!? Recreating London's ROLLING BRIDGE in Poly Bridge 2!

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There is a real bridge that looks like this, and it's in London! This time our world tour is visiting the most complicated build I have attempted so far in Poly Bridge 2, trying to recreate London's Rolling Bridge.
One of the developers has been kind enough to donate some Poly Bridge 2 steam keys, and I have hidden TWO of them within this video! Be sure to keep your eye's peeled throughout if you want a chance of winning! If you do happen to find one and redeems it successfully, please let us know in the comments and use a timestamp so others can see what to look for next time! Yes, there will be a next time!
As always, if you enjoy the video please give it a LIKE and subscribe to the Real Civil Engineer channel and enable notifications so you can be the first to know when I post future videos! Thanks!!
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WATCH MORE REAL CIVIL ENGINEER!
KERBAL SPACE PROGRAM:
• KSP
POLY BRIDGE 2:
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HYDRONEER:
• Hydroneer
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• Gold Rush
RANDOM GAMES:
• VARIETY PLAYLIST
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About Poly Bridge 2:
Poly Bridge 2, the acclaimed bridge-building indie-hit is back! More levels, more features, more physics fun! New levels, new mechanics, a custom physics engine, workshop campaigns, and much more! Rediscover your engineering creativity with even more hours of puzzling fun!
#realcivilengineer #polybridge2 #engineering

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Опубликовано:

22 окт 2020

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Комментарии : 738

@RealCivilEngineerGaming 3 года назад

POLY BRIDGE 2 GIVEAWAY!!! The amazing guys at Dry Cactus have generously given me a handful of Steam codes for this game to give away! The first TWO of which are hidden somewhere in this video! Good luck to whoever finds and redeems them first, if you're not lucky enough this time keep an eye out for my next two Poly Bridge 2 videos- I will add a comment similar to this one so you know whether to look for them or not! Peace, Love and Bridges!

@guicky_ 3 года назад

you're terrible at hiding steam keys. i found both of them on my first time watching and one of the 14 people that watched before me got them before me.

@IsHa9597 3 года назад

I just get back from work so I already late for the code. Nevertheless, I would like to thanks you for doing this for us 💕

@I_am_looking_for_GF 3 года назад

Do the "Vasco da Gama" bridge from Portugal

@braydenbudd5978 3 года назад

You should do one if the Pittsburgh bridges

@basicmods 3 года назад

As a suggestion, maybe make the other codes not matter on when your people can view and make them an actual drawing or something. Hiding them as codes in the video makes it a seem a bit unfair to those who can't be watching RU-vid waiting for the video upload. My suggestion would be a drawing based on comments a phrase or something within the first 24 or 48 hours after posting. That gives more of your community a chance to enter, not just the few who are 'first'. None the less, continue with the good work. The algorithm seems to be in your favor and your subscriber count is growing rapidly. Love the videos and considering buying the game to see if a mechanical engineer can beat your scores without being cheesey.

@SrikarMaddula 3 года назад

"That should work" The very next second: "Oh! I'm an idiot!"

@ThomasGodart 3 года назад

🤣 Yes! I love the accent too: "oh nooooyyyy"

@Mr_Morningsloth 3 года назад

as an engineer my self thats how it goes 90% of the time

@ayoutubecommenter7494 3 года назад

Yeah this is the 90% of the video :D

@AaronAlso 3 года назад

I rather liked... "I've got the biggest grin on my face." two seconds later: "OH! BOLLOCKS!!"

@palontryys 2 года назад

Another video explaining how he's an idiot would be cool (made by him, of course)

@scorinth 3 года назад

My favorite way to spend an evening: Quietly watching a civil engineer lose his mind because he forgot that kinematic singularities are a thing.

@ladyalicent705 2 года назад

He forgot that what was a thing?

@scorinth 2 года назад

@@ladyalicent705 Uhhh... boy, it's been a while since since I took those classes, so I'd probably get an exact definition wrong. But it's a position of your thing where the usual math you'd use to analyze the forces on and motion of the object break down and suddenly it can move in unexpected ways. Forces and/or movements tend to get *really* big around these points. When the bars in a truss that are supposed to form a triangle or square collapse down to form straight lines, the truss suddenly gets really floppy and falls down. This is a big part of mechanical engineering because we're trained to make things that move, so we always have to think about these singularities and deal with them. Civil engineers typically *don't* have to deal with them (because if your bridge can move enough to cause one to happen, it's already well beyond "broken"), and this video shows it. :D

@mxmx_lxrd3947 2 года назад

@@scorinth Thank for the explanation, I learned something

@l_rudkin1185 3 года назад

The amount of effort you put in to make this bridge work is amazing

@captaincodypotato8386 3 года назад

Man fiddles with physics for 20 minutes and we are all here for it

@RealCivilEngineerGaming 3 года назад

Haha I wish it was only 20mins for me!!

@tentix9022 3 года назад

Ikr he even makes it funny 😂

@joelucchesi1795 3 года назад

That’s why I love this man👍🏼

@xavierbradford5528 3 года назад

@@RealCivilEngineerGaming e

@czeresniak92 3 года назад

i was screaming when he was doing the unfolding in the wrong order

@captaincodypotato8386 3 года назад

When he put the double balls on there I collapsed like the bridge. Hilarious.

@aryadayandhi642 2 года назад

Nope in real life the rolling bridge is supposed to unroll like that

@HowlingCurve 2 года назад

Yeah the order of hydraulics unrolling was off (activate from left to right to roll up and from right to left to unroll)

@franklinodom4259 3 года назад

The dedication, omfg, i can imagine that was like 4 hours of grinding away and doing calculations. You are the real deal, you live up to your youtube name! Thanks again for great captivating brain tickling content, with a good sense of humor man. I have not laughed as hard, as i have to some of the shit youve recorded doing this. The man, the myth, the legend.

@DeViceCrimsin_ 3 года назад

Imagine adding this solution to your resume and it actually works as a selling point.

@lewissuckling 7 месяцев назад

first

@AnAngelineer 2 года назад

The real bridge is actually really small! It clearly relies on its relatively low mass to be a viable solution. No wonder it was a nightmare scaling it up, even in a video game.

@sotoastit 11 месяцев назад

the real bridge was the friends we made along the way

@handfulmousefly 3 года назад

London bridge is rolling out, rolling out, rolling out 🎶

@captaincodypotato8386 3 года назад

😂😂😂😂😂

@bobbygreb1813 3 года назад

Love that song

@jessegd6306 3 года назад

London Bridge is rolling out. Autobots are falling down.

@YourConciousness 3 года назад

Racist

@Adlais279 3 года назад

@@YourConciousness what

@Jacob-W-5570 3 года назад

Watching you design this, has increased my respect to the builders of the real one by miles! thank you for showing how difficult it actually is.

@buttfart7123 3 года назад

Maybe you should make a bridge that launches itself into place, like a chasm with an island in the middle and the bridge starts on one side and gets itself over to the other side.

@55445 3 года назад

With a pit stop by the ISS?

@lllpro-scopezlll1560 3 года назад

So this bridge but it launches itself across water

@jdizzy192 3 года назад

@@lllpro-scopezlll1560 That's called a boat

@TheArmyKnifeNut 3 года назад

So the Tumbler without the "Does it come in black?"

@Thagliou 3 года назад

Bringing nightmares back of every statics class first lecture with this one.

@mcb187 3 года назад

I like how at the end of the video, he finally realized that he needs to copy the design of the bridge to get it to work lol.

@amicloud_yt 3 года назад

Lmao it's just wonderful how the bridge IRL is spanning a gap that you could literally jump across

@captaincodypotato8386 3 года назад

Whaaaaaaa?! That's funny.

@brijekavervix7340 3 года назад

uhhh that'd be a pretty big jump...

@Jo-rz6bs 3 года назад

You aren't an Olympic long jumper mate. You could maybe do it, but it's not worth trying

@notahotshot 3 года назад

@@Jo-rz6bs, it would be worth watching them try though.

@doomse150 3 года назад

That looks like a 6 to 7 meter jump. I'd call that optimistic

@ThreadbareInc 3 года назад

Ah, it's a pedestrian bridge. Now the physics make sense.

@raynvii7140 3 года назад

Not sure how I came across this channel but I guess this is an example of the algorithm working. Love the vids and love the bridges, brother.

@RSGTomcat 3 года назад

Man, I've been watching your videos and it's been interesting to see the struggles of a Civil Eng in certain applications which I would consider second nature as a Mech/Aero Eng. This bridge for example. I immediately knew how you needed to solve the problem, but it took a long time for you to solve it. You make me want to try out this game myself since I'm coming from a totally different style of Engineering.

@gillestijmes 3 года назад

Dude, your channel is growing so incredibly fast! For your bridge world tour, I can recommend the Erasmus bridge in Rotterdam as it's incredibly iconic to people in our country. If you want to test your patience: the Zeeland bridge will quite test it. Oh, and perhaps the Muntbridge in Utrecht would be fun, but I don't think hydraulics work that way.

@WilliamChan 3 года назад

Thanks for sticking with this project! Was really satisfying to see you figure it out :)

@Egutta047 3 года назад

I am so happy that this channel was recommended to me!!! Thanks for the video!

@timehunter9467 3 года назад

I love our English reactions to failure, just “Bollocks” is one of our best!

@Enward834 2 года назад

Really cool watching you encounter problems and then think up the solutions. Thoroughly enjoyed that. Especially the very last one where the bridge wouldn't click in on the other side after being unrolled.

@lebrondajames1019 3 года назад

One of the most satisfying things I’ve seen in a while! Good work mate!!

@RealCivilEngineerGaming 3 года назад

Thanks, shame it wasn't perfect but I'm still fairly proud!

@lebrondajames1019 3 года назад

@@RealCivilEngineerGaming 100x more perfect than I could ever do, keep up the good work mate. Very entertaining

@anim0ni_ 3 года назад

NGL everytime I see that "few minutes later" I laugh A for effort

@DeViceCrimsin_ 3 года назад

S+ you mean.

@busyminers6527 3 года назад

E you mean

@sleepib 3 года назад

at 13:30, I think the reason the real bridge has that shape is to provide a mechanical lock that increases the load capacity of the bridge in the event of hydraulic failure. Basically a load in the center of the bridge will try to compress the already fully compressed hydraulic, while a small bend in the other direction would tend to put the hydraulic in tension. Basically when the bridge is down you're supporting the bridge from both ends passively. The motion would work just as well if it was a straight line, just make the hydraulic not expand enough to make the linkages overlap. Maybe even better, because the loose end wouldn't try to dip below the ground as the bridge starts to lift up.

@Thoran666 3 года назад

Wow, that took longer to build than expected. Love the result. You should have a look at the wooden bridge in Bad Säckingen.

@LucrStvn 3 года назад

So well done, this checks my entertainment needs boxes of random engineering videos and video games all in one, as well as making me lose my shit with shaft and ball jokes.

@VedrakYT 3 года назад

"A bit of jiggery-pokery" never fails to make me smile every time I hear it. You definitely don't want to hear that when you ask the civil engineer how they fixed the hydraulic bridge.

@outragedgamer1410 3 года назад

When two pieces of material over-lap, they form a mechanical lock and they are unable to unlock by the games standards. Hence why your first couple designs did not work. The hydraulics pushed the two pieces of steel so much that they over-lapped, locking themselves in place, and unable to un-lock.

@jobkroon6712 3 года назад

This channel is growing so fast it's insane

@kenjaminrar 3 года назад

Aw I do know that bridge! I watched an amazing documentary on that designer in college.

@alebottazzi3612 3 года назад

This is amazing man! Your patience inspires me

@moustachemike1589 3 года назад

Both keys have been activated because I just tried both of them and they didn’t work so

@derschredder5559 3 года назад

Thank you for that Information.

@confusioned2249 3 года назад

already ?

@boester69 3 года назад

that's a shame

@RealCivilEngineerGaming 3 года назад

Unlucky, you have another chance Tuesday!

@bestpony12 3 года назад

@ThomasNing 3 года назад

awesome, cool to see your civil engineering skills coming through more than usual.

@ukeplayer91 3 года назад

This was genuinely fantastic.

@pbilk 2 года назад

Wonderful job! That was intense!

@pminerv5260 3 года назад

Very cool, the problem you were having and eventually fixed by keeping the 'triangle' with the pistons was that you were creating an indeterminate geometry. By putting everything in a straight line, you gave the short pieces three options when the piston contracted: rotate left together, rotate right together, or split and return to their original position. The last option was made even less likely by the creation of the joint upon closing. Allowing those two arms to not become coincident (keeping the triangle shape) made sure the geometry was determinate and it would return to its original position.

@poutinefreak3763 2 года назад

i was crying of joy when i saw how good it turned out. so amazing.

@hellogoodbye4433 3 года назад

Got to love the Wilhelm scream. Classic

@kolowski13 3 года назад

The absolute mad lad actually did it! Well done! Loving these vids!

@shelbykingnfs7216 3 года назад

Amazing effort man! Really enjoyable to watch!

@SlayTheBordom 3 года назад

That bridge makes me really happy inside with all the different components and stuff. Anyways, great vid, appreciate the effort you put in for the calculations. Have a great and, take care and good night,

@loganchambers3794 2 года назад

Your dedication to these videos are amazing. Thank you so much

@ladyalicent705 2 года назад

This just proves what a marvel of engineering the rolling bridge is

@JayCantSwim 3 года назад

when I found your channel you were at 40k I watched all the poly Bridge vids and now you climbed up to 67k your growth is happening so fast and I know you got something special with this channel. good luck sir. you've got this on lock

@RealCivilEngineerGaming 3 года назад

Thanks mate

@SockCloset Год назад

I can’t believe this bridge even exists. I can’t imagine that it’s the most efficient design, but it’s still really cool!

@Kixxn_ 2 года назад

Bro I just want to say thank you , you make my days so much better and I just love ur content . Keep doing what ur doing and have a good day/night anyone reading

@KayJblue 3 года назад

It would be sick of you made a bridge with a trolley. What I’m saying is a bridge with a rail, you then have a car get into the cart that will then be pushed by some sort of hydraulic cable system.

@mcb187 3 года назад

So basically the Newport Transporter Bridge? He already made that.

@ukcroupier 3 года назад

@@mcb187 He did the Tees Transporter Bridge but didn't have the cradle moving :( The Newport bridge is 2 miles down the road and it's a vertical lift bridge, which he also did in the same video.

@mcb187 3 года назад

Ah, didn’t realize the name was different, I live in the US, never been to Europe. They retrofitted the one transport bridge we had a long time ago, so now their only in Europe :(

@andrewcunnison6975 2 года назад

Love the dedication.

@phantasmkira 2 года назад

This was simply beautiful to watch and see an engineering mind at work 😍

@rafaellabutap4193 3 года назад

This earned my subscription.

@connorgregory3986 3 года назад

This is both interesting as I did a lot of engineering in school and then it’s also funny. Definitely subbing and gonna go watch the rest 👍🏻

@jameskhan7837 Год назад

Absolutely insane work

@kazunium 2 года назад

As I watch your videos, I can learn about bridge in the world! Thanks a lot!

@ScorpionXXXVII 3 года назад

Awesome! I would have given up before i got it working. You have amazing patience!

@xarin42 2 года назад

A bridge with incredible engineering that got an architecture award ...

@davidholland4713 3 года назад

So proud of you for actually building this. Educational and beautiful. The bridge isn't bad either :-D

@michaeldoesstuff6602 3 года назад

Bro I just found this channel and I love it!

@santiagoorgeira9142 3 года назад

whoa early "that was a nightmare" love it

@NextRZR 3 года назад

What about playing Besiege someday? Think its gonna be brilliant with mind of yours, lad.

@baseballjustin5 2 года назад

If you haven't seen his channel lately here's a reminder, He's done 2 episodes of it do far! It's a fun vod of a live stream

@anastasiarockbell2960 2 года назад

I am very proud of you for getting that to work. That was incredibly difficult!

@nolanlory737 3 года назад

That was incredibly impressive!

@Coolbruhjay 3 года назад

I have no clue how RU-vid algorithm found this channel for me but i am stuck and subbed to this channel

@RealCivilEngineerGaming 3 года назад

Awesome, glad you're enjoying it

@user-mc8cj3ls6m 3 года назад

the way how the bridge unroll back was really satisfying to watch! no joke

@BriusTV 3 года назад

It's funny how a Civil Engineer struggle so much when there's moving parts. (not that i'm better) Wonder how a mechanical engineer would have done.

@mitchellpearce9558 3 года назад

Its still hard to do, but his main issue was that when his bridge was rolled up, his piston was in line with the pivoting bars in the bridge. When he went to push it back over, one linkage would rotate outward instead of inward and this makes the bridge try to roll up even more. Hard to write it out. Easier to draw.

@mitchellpearce9558 3 года назад

We have equations that use the positions of the pivots, bar lengths, and driver mechanisms to let us know if it is going to go "over center".

@tobester_ 3 года назад

@@mitchellpearce9558 ok boomer

@durps8815 3 года назад

@@tobester_ in this case the "boomer" has more iq than you so ok, sure

@live688 3 года назад

We need a real mechanical engineer youtuber

@test0150 3 года назад

You are a mad man, I tried making that bridge myself and I couldn't do it. Absolute mad lad, really impressed. I'm no civil engineer though so I'm gonna use that as the excuse....

@iculas 2 года назад

That was so awesome to watch.

@bagusaditya5547 3 года назад

THAT IS HELL MAN, LOT OF WORKS LOT OF EFFORTS, I AM ENJOYING THIS SO MUCH! GREAT WORK MAAN!

@bigd2829 3 года назад

Just started watching your vids and I’m really enjoying them! This game is really fun to play too!

@commandertoucan8975 3 года назад

That was incredible! Way to not give up and spend that much Time!

@curtdicristina1861 3 года назад

That was brilliant!

@WMBGW 3 года назад

whenever you need a specific distance, try fabricating it with pitagoras, with 2 sides on the grid. It has helped me before!

@BradyPostma 2 года назад

I really felt your frustration with making the rolling bridge, but it's endlessly impressive that you pulled it off in the end!

@KarmasABlitz 3 года назад

I had never heard of the Rolling Bridge before, but you did a great job of remaking an almost replica here, Very nice mate :)

@trevormaclise4161 3 года назад

You’re channel smacks bro. New favorite channel

@Dusty_Peppers Год назад

“This could work” (whole bridge falls apart) Matt, you son of a gun, you always keep me laughing.

@aqimmustaqim8970 Год назад

bro, i had a nightmare... your videos really help me out.. thanks man..

@josephrion3514 3 года назад

Engineers are inspired by nature. This kind of looks like a shrimp. How very cool, this bridge. How satisfying to finally getting it working.

@777damage777 3 года назад

Totally cool, great job working with all that hanky physics to make that real life bridge.

@kappios78 3 года назад

This is amazing!

@jeffreyvandamme8866 3 года назад

I like your style bud'. Nicely Done !

@MigligM 3 года назад

That's amazing!!

@vipcesh 2 года назад

Worth a thumbs up very cool

@jonathanakers1977 3 года назад

These videos are so relaxing

@bigben7332 3 года назад

Some people dont appreciate how hard this enough and this is my first time watching really enjoyed

@meethalpati9352 2 года назад

This is most engineer video I have seen so far.

@timothydu9415 3 года назад

This man is so relatable hahaha the yellow highlighted part was amazing

@wowjustwonderful 3 года назад

I don't know how I stumbled upon your page but i'm sure happy that I did! Keep it up, your videos are super entertaining :)

@RealCivilEngineerGaming 3 года назад

Thanks Mitch!

@sfield86 2 года назад

Giving this a like since I know nothing about bridges, engineering, or this game. But appreciate the time and effort put in to make it lol

@JoelClause Год назад

you put in so much effort to make your videos thank you

@ryanoo5035 2 года назад

Triumphant episode! How fun :)

@writhes7170 3 года назад

Wow, what a fantastic bridge!

@SXJAYSX Год назад

This was really impressive!

@darkworldinc 2 года назад

Nicely done.

@jasonwright1687 3 года назад

Very well done! I would say this is better than the real rolling bridge, since this can probably take a car, while the real one is just a footbridge. Both are still awesome, but I think yours takes the cake. 🤘

@Streetsy 2 года назад

This was fun to watch 😄

@harvardbobshen1353 3 года назад

LOVE IT!

@kayagorzan 3 года назад

Your channel grew so much! I’m glad for you, man

@RealCivilEngineerGaming 3 года назад

Thanks, me too!

@BrassMtn 3 года назад

I know this is two months old... but I just stumbled across your channel. Great videos by the way! I know you are modeling a pre-existing bridge, but what if you made the bridge roll to each side from the center? Basically one half mirrored horizontally and opening in the center.