5 Lego Technic Couplings with Movable Output

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Hi,
this is a video about mechanisms where you can move the output without changing the distance. My favorite one is #3, what is yours?
This is actually my second-longest video, so I hope you enjoy watching,
2in1
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Links:
Rebrickable (part list and .io file):
reb.li/m/99260
reb.li/m/99261
reb.li/m/99262
reb.li/m/99263
Music:
Underwaterbeats - Neon Lights | • Underwaterbeats - Neon...
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Timestamps:
0:00 Intro
0:06 #1 - Just Universal Joints
0:54 #2 - Basic Oldham Coupling
2:07 #3 - Schmidt Coupling
4:08 #4 - Robust Oldham Coupling
6:05 #5 - Universal Joint + Movable Output
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#lego #technic #coupling #mechanism #joint

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Опубликовано:

4 июл 2024

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Комментарии : 77

@darthgbc363 2 года назад

0:31 The cracks in the U-joints was a common thing for me in the early 80's. So I fixed these by wrapping with sewing thread. These U-joints can not handle very much torque.

@in1 2 года назад

Oh yes, that's really annoying... That a general problem with that kind of axle hole (for example bushes), but on the universal joints there is probably the most torque. To be honest, I think I have like 100 cracked parts in my collection...

@ericgelders 2 года назад

Yes, relatable - had many cracke universal joints in my LEGO collection.

@landfillbaby 2 года назад

i always had bushings break rather than u joints

@panampace 2 года назад

Sorry if I misunderstand but... there were lego U joints in the 80s??

@dropkickedmurphy6463 2 года назад

That last design is very interesting. It looks like Lego Tecnic Mastery's joint but the extra CV joints allow displacement without angling the output. Honestly, a good idea, even if it is probably more finicky to work.

@in1 2 года назад

Yes, it's neither robust nor smooth... But at least it's a concept.

@th3glu3king42 2 года назад

like ur name and pic

@haipingcao2212_. 2 года назад

No it's not a big issue

@haipingcao2212_. 2 года назад

@dhgcrack3r111 Год назад

Have used it many times. Works fine

@purplepotato2015 2 года назад

2:57 the classic “I can't find a bushing so I'll use whatever works” my favourite was number 3, just because of how it works.

@in1 2 года назад

I actually searched for a 4-tooth knob gear to visualize the rotation, and then gave up

@purplepotato2015 2 года назад

@@in1 oh hahaha.

@alexxu4166 2 года назад

Great video! My favorite is probably #4. It's always great to see different designs that work off the same concept.

@westleyszatkowski216 2 года назад

Same #4 was probably the best and one of the more compact ones

@someone7702 2 года назад

👎👎

@someone7702 2 года назад

@librab103 2 года назад

I like #3 because just looking at it, one wouldn't assume it would work.

@raijajormanainen2385 2 года назад

Nice👍. I think I'll use and test those. Greetings from Finland!🇫🇮

@elijahbrown3096 2 года назад

The Schmidt coupling looks like it can be used as a replacement for chains.

@heho1 2 года назад

excellent!

@aabaslama6121 2 года назад

cool idea

@margaretmcdonald9965 2 года назад

That was cool

@eschdaddy 2 года назад

We’ll done!

@kekchanbiggestfan 2 года назад

#6 Just moving the motor

@in1 2 года назад

:) Okay, I should have expected that

@bdw4162 2 года назад

Cool vid btw

@A77uros 2 года назад

Looks like engineer is making lego versions from real world's designs. My hobby is lego transmissions with realistic designs and ratios. :-)

@in1 2 года назад

I'm actually not an engineer, I'm just interested in mechanics :) I also really like your channel, especially your planetary gear!

@ArthasProVEVO Год назад

It would be great if you could mention Inventory code of parts used on your videos, like on Description or on video itself,wherever it's easy for you, i watch your videos a lot, i heartly appreciate ur hard work

@in1 Год назад

Thanks! In the video description, there are links to the Rebrickable pages, which also have a part list tab. But yeah, it's not that intuitive...

@CapricornRichCat Год назад

👍👍👍

@jeturo5 2 года назад

THANKS

@tobiasstanisfugl5659 2 года назад

Nice, to go further. one could check the phase modulation and the behaviour under load.

@in1 2 года назад

Yep, the Schmidt Coupling actually works pretty good under load, the other ones not really...

@NottoScales 2 года назад

Would Variable-Distance Output be a more suitable name? With a chain link or simply two adjacent gears, the output is also movable (in a circle).

@in1 2 года назад

I didn't really found a name which expresses that you can move the output in a plain, so I tried to show that i the thumbnail. But you're right, "movable" is quite unclear.

@jjjjjorma 2 года назад

Are there any practical applications for such designs? Enjoyed the video thoroughly :)

@in1 2 года назад

hmm... probably in most of the possible application you could replace it with something more compact

@osamagad1710 Год назад

# 3

@theconqueror327 2 года назад

What program do you use to make the thumbnail of your videos? Blender? or other?

@in1 2 года назад

Bricklink stud.io (You can build your stuff digitally and render it there)

@catmatiskam7092 2 года назад

Skills, the technic is fun and a interesting thing,. If yu understand how it works. Its easy, you can use lego for you imaginations or ideas, is like an craft

@C-mirror 2 года назад

Number 5 wasn't on the motor?

@NotRmngD2001 2 года назад

👍🏻

@heruhcanedean 2 года назад

Hopefully I learn a new steering hub method from this.

@heruhcanedean 2 года назад

Well #1 was to closest to have I have. But mine are modified (1 stud shorter from grinding off part and gluing in an axle)

@Atlessa 2 года назад

at 5:00 the dark grey part with three cross holes... what is that called if I wanna look for it on Bricklink? I need a couple of those and I can't find them because I don't know what to put in the search field.

@in1 2 года назад

They are called "cam", don't ask me why

@Atlessa 2 года назад

@@in1 Thanks a ton! I can actually imagine why they call em that. Think of the camshaft in a combustion engine...

@JDHENEKD 2 года назад

You should make a lego mech or robot that u can control

@laurentoutan9922 2 года назад

La transmission a 3m50, vous pouvez en faire une chenille Genial

@hiddengameseekerlp1786 2 года назад

arent those disigns from sariels book?

@in1 2 года назад

Yeah, kind of, but they were "developed" independently. There aren't that many couplings like that.

@nuberiffic 2 года назад

it's quite impressive how unsatisfying you've managed to make this video

@someone7702 2 года назад

😈

@davidpark905 Год назад

Anyone wanna help me create a lego landing gear drive system for a 1:12 scale space ship?

@vvalidd 2 года назад

IM UR 1K LIKE!!

@bdw4162 2 года назад

Pin me to assert dominance over the other guy.

@dinhtuan752 2 года назад

@jodiac 2 года назад

why are your universal joints so beat up???

@westleyszatkowski216 2 года назад

Litterly the first second I saw the title I thought of the same concept of the 1st design

@Mcneds 2 года назад

Old ham coupling

@darkwarior174 2 года назад

*Gears* join to chat)))

@cicciofritz1991 2 года назад

I'd prefer this without music, just lego sounds

@in1 2 года назад

I tried that when editing, it makes the video pretty boring, and you sometimes don't even really hear the building, just the loud things. But I will think about that, you are not the only one saying that.

@cicciofritz1991 2 года назад

@@in1 don't take it as a critic, still love your work xD