Modular Infinity Gearbox w/ Infinite Torque 🤯♾️⚙️ #physics #engineering #3dprinting

[Brammage]

"have enough gears...and time"

[kilometerbob]

Give me a lever long enough and a fulcrum on which to place it, and I shall move the world.

[denizdurdag]

Everything is possible if you ignore friction.

[MrMichalXXL]

"and if I had infinitely durable gears"
Nooow it makes sense

[brandonstonge]

An even cooler use for those gearboxes is to produce electricity. I found a company one time that had made some really big gear reductions in a small and light package for backpacking trips or emergency situations. On one end was a sling you fill with rocks and on the other end was a solenoid/alternator. As gravity pulled the rocks down the other end spun really fast creating enough electricity to charge a phone or flashlight or just run lights directly from it. They also made accessories like a fire starter meant to be charged off it and an SOS lamp. The gear reduction was big enough that the weight would drop about a foot an hour so if you made a makeshift tripod from branches and hung the thing at the top about 6-8 feet off the ground your SOS lamp would stay lit all night long. Or if you were just backpacking and camped out for the night, hang it from a tree branch as high as you could reach. I remember one of their big issues was that the reduction between each individual gear was putting so much torque on the gears that it was heavily wearing thru the plastic teeth (it needed to be plastic so it was super light weight and carry-able) and they solved that problem by making the large gear so that it had internal teeth. That made it so that each gear tooth had a larger contact area AND there was also more teeth making contact at any given time. It also ended up making the overall gearbox smaller having the little gear inside of the large gear instead of next to it. I wish I could find that video again it was actually really interesting seeing how they were able to make a well polished/refined, sturdy, and professional quality product out of seemingly flimsy plastic gears and framework that was meant to be as lightweight as possible.

[GregFirehawk]

You can lift anything and everything with enough gears. The problem is living long enough for them to do a full rotation lol. Reminde me of those infinity gear boxes where they have so much torque that the final gear doesn't even look like it's moving. They're literally made so the last gear takes over a million years to do a single rotation

[icecrystal]

Community notes:

You cannot, in fact, lift the heaviest thing in the universe with the smallest motor in the universe with enough gears

Energy is lost to friction in the form of heat, so with the amount of gears you need, you'd quickly reach a point where the motor can't even turn the gears just by themselves, no weight

But also, the heaviest objects in the universe tend to be black holes, which you can't tie a rope around and strap to a gearbox to pull.. for obvious reasons

[henryisnotafraid]

Very nice touch with the burning candle

[PuerRidcully]

I don't like that statement of "I could lift the world with big enough lever". You could maybe do that if you had infinitely rigid gears, which obviously don't and won't ever exist.

[darkwingduck]

Could the reverse of this be done? A power plant uses it's extra power during a period of low load to lift a great weight. During a period of high load it releases the weight and a similar series of gears converts the slowly dropping weight into power.

[ijcarroll]

I'm wanting to build an aluminum can crushing machine using 2 wheels (one driving the other with the cans being loaded in from a hopper). I'm hoping to use one of these motors. However, if it's too slow / too weak or wears out too soon, I'm not opposed to using a cordless drill motor. WISH ME LUCK.

[cjrmmacpherson]

6 Watts of power, not volts. multiply volts by amps (voltage by current) to get watts (power)

[teinmeizeshi]

As many people pointed out, that would work only if you ignore things like friction, or my favourite, durability.

[MrFixIt]

"you know what grinds my gears? A 3 lb dumbbell"

[shylock]

"Give me a lever long enough, and I will move the world."

[cc]

Would this be the same science as using a pulley to lift heavy weight?

[rollinwheels]

There is a company that makes licensed accessories for super scale RC trucks & one of them is a Warn M8274 winch that uses that little motor & gearbox and will lift 50 pounds with relative ease on 12 volts using the snatch blocks and pull pal land anchors that are also available

[BerzerkaDurk]

Me, over here lifting a neutron star with a phone vibe motor:

[AndyTF]

Physics, it doesn't really multiply force by the ratio, it stacks the force until the additive matches the ration and then it spins

Which is kind of the same thing but not really, you are making what basically is a very complicated lever, the energy stays the sameypu just applying it more effectively

[osmacar]

Torque is work done horsepower is work done over time. Usually measured in a minute.