Survive Tests - Lego Mechanical Principles
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- Опубликовано: 14 май 2024
- I decided to check how effective the popular mechanical principles of Lego mechanics are. Tested with high RPM and high-torque mechanisms to determine which joints are more durable. I hope you will like to know it.
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00:00 CV joint
01:48 Schmidt coupling
02:44 Belt drive
04:00 Bevel gears
05:24 Chain drive
06:51 Gear drive
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I have verified that a tensioned chain works better, thanks for the advice.😊
😊😂😊😊4🎉❤
I love your videos Dr. engine
At 2:57 the head just yeet ☄️off its not the belt fault😂😂😂😮😮😮😅😅😅
love you
can u do a collab wid td brick please
I feel like the chain drive might have worked better lifting if the chain was not loose.
Same
a chain stabilizer is required
Yes you are right
The chain needs tensioning correctly
True
If the lifting rig was more rigid and strong and didn’t bend most of those failed ones would have lifted more also you said one failed but it failed because the lego persons head came off because of the centrifugal gs it was experiencing
And others failed because they weren’t secure properly
Also the chain one even though u did reinforce the structure the chain was to loose
he knows gears just not structure
The gear drive should have been the best if he fixed his stand
Yeah, the test of some are not optimised, some times against a bit more weight, tweaking , you would win reliability
i think the chain and belt drive wouldve done alot better on the rpm test it better tensioned
That chain drive test wasn’t fair. The chains was too loose. That’s no way to test its strengths.
You think the timing chain in a car would slack like that?
And this can affect the speed?
@@SWellWellWell, not on such a test stand. But if the shafts are fixed more well, then at a higher speed the chain will start to fly off without a better tension.
And it will not slip as in the maximum load test.
I think the thing that needed the most strength was the stand lol
The rig and its insecure mounting are detrimentally affecting the results. The test rig in itself should be the strongest component to a test.
Test rig needs some major reinforcement ,lots of straight runs with no cross bracing. Chain was also super lose with too many extra links. Some resigns and another test seem in order.
3:01 is no one going to talk about how the lego man head simply poped off due to how fast he was spinning
Bro was straight decaptaded
Lego allows for many mechanical principles. I decided to check how effective they are. ️ Are there any suggestions about tests?
I would make the structure for pulling the weights a bit stronger, therefore the mechs can be pushed more to their limits
And ofc, excellent video!😁
it would be great if you wolud just make as high torque as possible lifting
I think that with a stronger fastening of the parts of the 4,5,6 mechanisms, they would be more effective. And probably the 3rd.
Could you try the chains facing outwards? It really helps performance
I feel like the test was unfairly made.
it was unfair the chain link was way to lose
When the engine and gearbox side flipped under the weight i lost it hahahaha! love it!!
Glad you like it ☺️
Just love how it failed and passed at the same speed
I am sure I must be the first one to mention this, but the chain being so loose made the test unfair.
Try tightening the chain link, that makes it stronger
The gears look like they are about to break the speed force of DC lmao
For the higher test weights would it not been a more fair test to Stableise the structure with braces
I bet the structure will break or not. hahaha. Emotional!!!
That gear drive could have gone much faster if you put another beam in front of the gears
Yet it was there for the actual lifting test
the chain drive is better than the belt drive because the belt relies entirely on friction while the chain drive has a hook like design
I love these Lego Gym episodes
Thanks 👍 It was fun to make!
The belt drive might have done better speed wise if it had a convex roller on one end to help center the bands. The concave indentation wasn't enough, physics
The chain and belt drive tests should be redone. They didn't nearly have enough tension on them to be effective.
5:43 that doesn't look like an issue with the chain and more an issue with you adequately anchoring the gear
I'm pretty sure it would be inadequately
It seems to me that bevel gears is very underestimated, because if the structure is made more durable, it will be able to pull out more revolutions per minute
The chain being tighter might have improved proformace
Poor Lego guy, before the first test, he was confident. After the first experiment, he was scared!
Test Pilot
The Destroyer of Drive Systems
The CV joint would've reached a much higher speed without the unbalanced weight on the end of it....
At least the mechanisms breaking looks satisfying
2:12 Bro, this moment made me jump scare lol 🤣🤣
Ok but the subtle detail that the lego minifigure's expression changes are being spun the first time is golden
idk to say but tension plays a big role in the chain. i have tried this myself
1:55 astronautics
Yay satisfying Lego things back
it's kinda funny to see the pulling mechanism just cripple up.
Wife: What are you watching this late at night?
Me:
Dr. Engine should call in his doppelgänger Dr. Engineer. This rig was interesting, but needed some serious structural improvements! I tested LEGO pneumatics when I was younger, it could lift a few pounds. Most models needed sufficient weight in the body though or it would topple too easily.
The chain drive has MORE POWER than a doge challenger
2:56 his fokin head flew off!
Tighten the chain up!!!!
RPM on the belt drive wasn't fair. The belt drive didn't fail, the minifig did.
Did that chain dirty as heck
holy shcmidt coupling! The gear drive was insane, it lifed 1.5k pounds!
You need a diagonal brace off the pulley mount to the drive system... no flex then, all your system is expecting that one not reinforced point next to the drive pulley can handle all the stress.
Totally could've tightened that chain
5:37 use the force
5:35 bro was like **oh shit** 😂😂
I love these videos
Your chain drive looked way too lose. You may want to take off a link or two and retest with a tighter fit. Also, the gears on your gear drive flew off because they were exposed on one side. I don't think that wound have happened if there was a liftarm element on both sides.
on the lift test there was one
The gear drive might be the easiest to fix
3:04 dang
If you want me that chain a little bit tighter it would’ve worked
Bruh, those chain belts are loose as hell. No wonder they slipped everytime 🗿
On the gear drive, It was unfair because the gear fell of because it was not secured properly, so you said it failed.
2:55
Warning: This scene may be disturbing for certain lego audiences
Dat chain tension tho.
Lol, with the gear drive, everything except the gear drive was breaking
I'd also recommend using the locking caps Infront Of the gears on the skin colored gears they would stay better
I missed the cardan transmission!
Test pilot will return... :)
The chain drive could have been a bit tighter it was looser than my father's belt after Thanksgiving
Uh man that Tower there looks like it's gonna break
You ever wonder why chains are, you know, tightened? This is why. Your test was done incorrectly because the chain was horrifically loose. If that chain was actually tight like its supposed to be, then it wouldn't skip the teeth on the gears, and it would perform much better. Maybe give the chain another chance by actually doing it right.
NEED! MORE! POWEEEEER!!!
chain and belt drive should have had tenstioners
Awesome, how you calculated ??
❤
How is the little guy mounted to the wheel?
It spun so hard his head flew off!
Make a waterpump using lego
3:02 left: 5600rpm - pass
right: 5600rpm - fail
Make working chainsaw out of lego pls
Cool!
Dr. Engine. I have a question. Why chain drive pass before reinforcement 500g and after reinforcement you said it didn't pass?
1:14 speed is so high it looks like is static on place
Didn't hit 10,000 rpm? I think the vibration is the problem. Dude get it on.
LOL Poor lego man
chain was to loose. it needed a tensioner. then try again.
Maybe don't have a loose chain on the chain drive, and it'll work better.
Everything seemed fine up until that loose chain, why on earth would there be so much effort into this just to lead into using a loose chain?
also when the slots on the chain face outwards it works better
Can you test adding a proppeller
Awesome
i wish that there were more
I bet the gear drive could have done 2kg
1.5kg broke part of the lifting wheels at the top
Hello, can anyone say what is the name of the app used on 0:39 to control engine speed? Is it mobile phone or other device?
buwizz app for buwizz.com/shop/buwizz-2-0-2-x-buwizz-motor/?ref=196
I feel bad for all of those technis pins
3:00
Is that the same value for pass and fail?
2:55 - 3:04 It seems the Lego tester lost its head over the test results!
Yeah you definitely need to make a better rig for the lifting test
Working on it!
Chain drive was a joke. Take a link out. No one runs a chain that loose
6:48 bruh tighten the chain
3:01 What is that information?
Do you need a special turbo
Brooooo! That fucking chain was so dam lose no fair😤
How many grams are you planning to lift?
💛Beautiful next video💛
You got to tension the chain more
It sounded like a helicopter 0:25
Almost all of these failed because of structural strength/durability, not because the mechanism itself failed.
A true mechanical fail would be skipping teeth, breaking gears, breaking chain, twisted rods and breaking rope.
Need to tighten chain