this thread is so satisfying

>>587905879
I have one of those its called a do nothing

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>>587905363
HOW IS ANY OF SHIT THIS POSSIBLE!!!!!!!!!!!!!!

>>587908540
Only 2 things posted so far would actually work in reality.

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>>587908979

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>>587908979
>>587909108

>>587908979
wankel rotary engine
I'd love to see a live cutaway of one

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>>587908979
>>587909108
>>587909409

Why must my brain make strange sounds for each one of them

>>587909108
>>587910073

weirdestboner.jpeg

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>>587908979
>>587909108
>>587909409
>>587910073

>>587905363
I really, really, really like this picture

Music for this thread

https://www.youtube.com/watch?v=qaC0vNLdLvY#t=119

>>587911176
Save it, it's all yours my friend!

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>>587911176

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well that's about it

>>587911952
wtf am i looking at here

>>587905363
I have the weirdest boner right now. Thank you based OP

>>587912526
paintball guns.

>>587906903
Except if a pen were attached to the end of the lever where I would expect one would turn it, it could draw some sort of oval.

>>587908722
You're a fucking idiot.

>>587905790
this shit controls our life fore more than a 100 years now

>>587908722
um.. no?

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not sure what's going on here, but I like it

>>587908905
point purpose m.o. raison detere?

>>587909409
i leik the derp ones being made on the end. no clue why. maybe I, am a drep one/

>>587909648
google

>>587905363
the green half-moon is completely unnecessary, r-right?

>>587910075
so much tourqe
>gets to bdc
so little torque

>>587906037
NOW IT FUCKING MAKESE SENSE

BLESS THIS THREAD

>>587906637
I second this

are there any free programs that simulate these?

>>587914529
It stops the red thing from continuing on spinning and jamming the device, it keeps it in perfect place for the pin to be received so it will never jam

So no, its essential

>>587914348
I mean with the engine actually running. I'm not if that's possible without transparent metal though

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sprinkler gear

>>587912717
elipse.

>>587910640
i have a feeling the vibration created would negate alot of potential here. mostly because you need to waste a whole motion to bring each piston's crank arm back up the path on the output until you get back to the rounded part which is your power stroke. better thinking is required.

>>587906915
basis of a piston

>>587914529
no it's stabilizes the other part

>>587911044
and dubz

>>587905790
what is this

>>587908269
PHYSICS MUTHAFUCKA!

>>587906691
I love how all that leg movement is just caused by 2 rotating axes. I've seen one of those massive beach spider sculptures and they look amazing

>>587906037
Godbless this gif

>>587910640
Both strokes are power strokes, the only reason the shape is different when crank goes up or down is because of push/pull balancing of forces..., also the pistons counteract each others momentum keeping the device relatively vibration free, this si why 3 are used and not 2 or 4

>>587905363
FUCK THE GENEVA CROSS!
Those things agitate the shit out of me. They are fucking loud, very inefficient, and wear out way too fast. One of the worst things made.

>>587915761
it's simple but it makes you feel cerebral

>>587915198
>>587915021
im sure what your saying makes sense to a smarter person than myself

>>587915079
.....the term der comes to mind good anon. i appologize for my ignorance but pity you for your arrogance.

>>587915090
this doesnt make any snesne

>>587915392
it's a piston engine; your car has 2-4 of these working together like in >>587905427

>>587915200
and dubz

>>587916215
is the internal one more or less efficient?>>587905942

>>587915984
the pull mayhaps. idk m8

>>587916457
If the green half-moon wasn't there, the red part would keep spinning and mess up the whole thing

>>587905363

>>>>/wsg/

>>587916877
and dubz

>>587916631
...2-4?

>>587916612
how so?

>>587911548
Dat mechanical loss of energy doe

>>587916674
And singles

>>587916935
so theres just enough friction between the two to stop it when the green post exits the red part?

im so fucking hard right now

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weirdest bonerrr

anyone got the gif of those blue balls going through loads of different processes sort of like a factory line?

>>587905942
Doesn't matter. It's doing the exact same motion either way.
You see as the disk rotates it is dragging itself across the inner wall causing vibration, loud noise, and wear and tear. All those combined just drives efficiency down.
This mechanism given is great to show to kids but highly unnecessary. At high cycles (faster speeds) this thing will tear itself apart.

Sorry. This mechanism has been driven into my head to just hate. Still an undergraduate engineering student though.

>>587917971
blueballfixed.ytmnd.com

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>>587917971
blue ball machine

>>587917826
Id love to have those implanted on each ass cheek

>>587918274
fortykeks.jpeg

>>587918274
post of the day

>>587918244
>>587918256
different ones though

>>587917148

Man that gif is soda pressing.

>>587906381
what the fuck would this ever be used for

>>587918758
walking machines

>>587908722
Name one that wouldn't work and why then.
>protip: they all work you shit

>>587918733
har har

>>587918733
Ubderrated post

>>587916612
I'll explain the best I can from what I can see.
The outer partial gear, the sun gear, is the gear that controls the ejection of the water from the sprinkler. The inner partial gear returns the bottom gear to its original position so it can re-eject the water as the sun gear passes through again to repeat the cycle.
This is a very clever design none the less.

>>587918244
Link didnt work on my phone but thanks
>>587918256
Much appreciated anon, theres so much to look at

>>587908010
i have no clue what this is, but ive seen it countless times

someone care to explain?

>>587918274

My sides.

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>>587916457
This should be self-explanatory.

>>587919312
What is there to understand? it is a mechanism that turns a gear in the opposite direction as its input

>>587908979
what's the advantage of this design?

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>>587919263
here's the link

>>587920127
It doesn't have to convert reciprocating motion to rotary motion, making it more efficient and smoother. Intake, compression, combustion and exhaust phases overlap so you get more power for the same engine displacement than a four-stroke piston engine. On the other hand, there's a lot of friction and wear on the seals leading to high maintenance, and loss of efficiency when the seals are worn.

I see shits like that when i'm baked

>>587920127
High power to displacement ratio, and less moving parts than a piston engine.

>>587908722
You are literally too stupid to know that you are stupid.

>>587918256
I could stare at this for hours

>>587921826
i can stare at ur mum for hours

>>587921279
oh my GOD

>>587920844
Ooh, is this how a sewing machine works? sweet

>>587917100
some cars have two, some cars have four

>>587921279
what does this do?

>>587921988
i cud stair at yoo starin at is mum 4 hrs

Gonna contribute in this thread with one very nice video of how a differential gear works.
The video may be old but goddamn did it help me understand this design and apply it in building an RC car for my Machine Elements course.

https://www.youtube.com/watch?v=K4JhruinbWc

>>587922141
Sewing machines are fucking awesome. My mum got a new one when I was about five, so I got the old one that had been playing up. I took it apart, cleaned out the gunk that was fouling the mechanisms, and learned to use it. In the end, the bakelite foot controller cracked exposing live parts so I had to get rid of it. In my 30s now, TFW my wife can't actually use a sewing machine but I can.

>>587922393
45 degree rotation transferred to 90 degrees.

>>587918656
I-is this real?

>>587922393
http://en.wikipedia.org/wiki/Constant-velocity_joint#Rzeppa_joints

>>587922949
no idea, but it's fucking amazing

>>587922393
It's called a constant velocity joint, or CV joint. The shafts are at different angles but the speed ratio is constant. Used in front-wheel drive cars to get power to wheels that need to turn for steering. Wikipedia has more detail.

>>587920127
making money for mazda

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non-circular planetary gears.

>>587923254
>>587923039
>>587922876

Thanks

>>587922393
turns horizontal rotation to any angled rotation. Think CV joint on a car

>>587923283
I've never driven a mazda, do rotary engines sound different?

>>587921580
I want that fucking table.

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https://www.youtube.com/watch?v=6NFXOlQcp6s&list=FLvZF6vXG8sUutyCraNL49TQ&index=2

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I love this thread. I love you guys.

>>587921769
actually the animal was dead and he bound the head with a little string to something

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>>587924440

oops fixed:

>>587923613
Yeah, rotaries sound different. Most Mazdas have conventional engines anyway. It's just things like the RX8, RX8, RX3, R100, Luce, Cosmo and Roadpacer with rotaries. They gave good acceleration and decent power, but they were never efficient and always had high maintenance.

This thread is almost as cool as the tank threads

>>587924593


pretty sure that was just sped up

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>>587918758
Converts simple rotation to a walking motion. Here's an example:

>>587923512
Sad part about these guys is that it requires a lot more torque than normal planetary gear system.
Also, if I remember when I played around with one it wasn't that backdriveable.

>>587924593
Nah, I used to raise chickens and they do seem to have some kinda internal gyroscope that helps keep their heads in the same position. Owls have the same thing.

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>>587906642

>>587919312
Planetary gear set

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>>587918274

10/10

>>587925329
holy shit. Nice!

>>587914870
google algadoo. build them yoself

>>587924964
ill be going as far as to say, most birds have this

>>587925738
That seems like phun

>>587919312
Planetary gears pal. Mostly used in automatic transmissions

>>587926244

this makes my nipples rock hard

>>587926244
Prepare your anus!

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k

>>587925329
>see its Tetris
>how the fuck is this mechanical
>impressed

>>587918656
isn't that the scp that assimilates other metals?

>>587905514
is this how actually the pendulum work in old clocks?

>>587927198
Yep, that's pretty much how a clock escapement works.

>>587923512
Gross.

>>587906037
>mfw I was never taught what exactly sin and cosine are in schools

Enlighten me.

>>587916612
your clearly not making the "spic spic spic spic CHINK nigga nigga nigga" noises as it runs... sprinklers are surprisingly racist...

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>>587924885
moar theo jansen

>>587909409
this is so soothing to me

>>587927613

sin cosin and tangent are the lengths of sides on a triangle

>>587928439
And that matters to this picture, how?

This is an impressive thread!

>>587928439
*sigh* it's the relationship between the ratios of side lengths and the angle of a corner of a triangle

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>>587928135

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self-reversing

>>587910637
>>587909108

me too for some reason this looks sexual

>>587925329
>T, J, Z, O, T, J, T, S, J
>3 T's and J's, no I's

No 7-Bag system, it's shit. At least it's only 9 Grid wide, so doesn't have to explain lack of line clearing.

>>587917148
>Jay_Owen_Tribute.gif
Rip in peace ;_;

>>587930243
For more detail
>>587922860

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duuuuude

thread is kill? :(

This thread pleases me in more ways than one...