Testing LEGO Bridges to Destruction!
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- Опубликовано: 8 июн 2024
- I built 6 common types of bridges with LEGO Technic and tested them to the point of destruction while measuring the maximum weight they can support!
00:00 Unsupported beam bridge
00:16 Truss bridge
01:00 Advanced beam bridge
01:39 Arch bridge
02:23 Cable-stayed bridge
03:10 Tied Arch bridge
Each bridge was constructed with LEGO Technic beams and pins and each had a 3-point connection to spread the applied load.
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Pretty cool but there were a number of errors made. In some case, the strength of the design comes from the anchor point (and you had none - or compensated by tying the two sides together). The real test of a bridge design is in it's strength to weight ratio, so you should weight each bridge and divide the load by the mass. Should also just load the center (weakest) point rather than several points since you're putting a lot of lateral stress on the deck. Then again, it's just lego, so all good! Nice video - subscribed!
Thanks for the comments and subscribing! More videos to come shortly! As you can imagine it takes a long time to create a video with Lego! 👍🏼
Dis Man Is Breaking Legos
The cable stayed bridge had an inaccuracy! The pylon the cables attach to needs to be firmly supported on solid land! Think of it like doing the splits between two raised surfaces; Grabbing your toes won't support you any better, but a friend standing on one of the surfaces can hold your hand and provide upward force! I call a rematch! Do a follow up and I'll stay subscribed to you. :)
Thanks for the comment and subscribing! I have some other content and ideas coming out but will consider for a future video. I was mainly demonstrating the tension in the cables and with the span I was using a central support didn’t allow any tension to visibly show. A bigger span next time… 😃
@@BuilditwithBricks well then I guess I'll just have to stay subscribed to see what you cook up!
Yes, it looked like the outermost "cables" were actually taking compression and acting as struts. Ultimately the buckling failure of these elements was the weak point.
Продолжай развиваться. Очень интересно. 🙂
Thanks! I will!
I like this man
Thanks!
Me too, hope this guy grows to 10k subs fast or more
Inconsistent bridge spans and breaking points mixed up with max loads.
R.i.p cable from 4th chapter
Yes....I had to consign a few long beams to the bin....
bro boutta be hella succesfull
Thanks for the comment!
Did anything break?
How many pieces did you end up breaking?
Thanks for the comment! A good few, mainly the longer beams on the cable stayed bridge!
1:38 that wasn't it's Mac load because it wasn't secured in place
Thanks for the comment! I believe it failed due to rotational forces. Future videos may explore fully fixed ends!
Use an Axe next time
i build the bridge