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Rubber Band Gear Mechanism

by Skimbal, published

Rubber Band Gear Mechanism by Skimbal Nov 14, 2010

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Description

A Rubber Band Powered Gear Mechanism.

Conceived as a power source for future projects the Gear Mechanism stores and releases rotational energy in rubber bands. The amount of energy stored is dependent on the number of rubber bands used.

My Submission for the rubber band challenge.

A quick video of it in operation. youtube.com/watch?v=3WyimknueMQ

Recent Comments

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IF you added a heavy disk to the crank handle, when you released it the force applied to the greater mass should cause the rubberbands to reload. This would cause it to spin down and retorque until all of the potential energy translated out of the device. This creates a kind mechanical alternating current.

To rectify that into a single direction see:

http://hackaday.com/2010/02/03...

This thing is some kind of mechanical battery.

Independent of the function of the spur gear assembly, the final rubber band mechanism looks to be some sort of detent.

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If you print this Thing and display it in public proudly give attribution by printing and displaying this tag. Print Thing Tag

Instructions

Print All the parts.

Full assembly instructions to follow shortly.

Comments

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Cogworkz on Feb 22, 2011 said:

IF you added a heavy disk to the crank handle, when you released it the force applied to the greater mass should cause the rubberbands to reload. This would cause it to spin down and retorque until all of the potential energy translated out of the device. This creates a kind mechanical alternating current.

To rectify that into a single direction see:

http://hackaday.com/2010/02/03...

Cogworkz on Feb 22, 2011 said:

This thing is some kind of mechanical battery.

buzz63 on Dec 1, 2010 said:

Independent of the function of the spur gear assembly, the final rubber band mechanism looks to be some sort of detent.

Skimbal on Nov 24, 2010 said:

I'm Glad everyone like the Rubber Band Gear Mechanism. I'll get the assembly instructions online in the next day.

Sorry about the delay, real life interrupted.

SayNoToMakerbot on Nov 24, 2010 said:

Congratulations,

MakerBlock on Nov 20, 2010 said:

Love this thing... Also, it looks like an upside down cuttlefish for extra awesome.

ssd on Nov 17, 2010 said:

This is awsome. But it needs legs or something! :)

naveod on Nov 17, 2010 said:

Very nice - has a creepy sci-fi thing going on !!

ZNahum on Nov 17, 2010 said:

what is the transmission ratio from the handle to the gear with the rubber bands?

Anonymous on Nov 24, 2010 said:

Quick guess looks like 1:1 and/or 1:2 with a huge loss of energy in between.

SpringRat on Nov 16, 2010 said:

Very, very nice work. I think this will become the basis of many derivatives. 8-)

Linkreincarnate on Nov 16, 2010 said:

Ooh I think I may update a lot of my rubber band models with ideas you used here. Would you be interested collaborating on some stuff? Nice job.

MaskedRetriever on Nov 15, 2010 said:

THIS--- this is sixteen flavors of rainbow hued amazingness.

On fire.

Bophoto on Nov 15, 2010 said:

Now THAT is freaking awesome...!

Guess it may need a governor in the future to measure the delivery of energy?

If I remember right a 1m pendulum swings in a very practical 1sec. pendulums gotta be the key to printable clocks.
:-D

themoep on Nov 18, 2010 said:

Immediately thought of this educational video with some music: http://www.youtube.com/watch?v...

a makerbotted clock would make an insanely cool thing to have/give away/study/modify/...

hintss on Nov 15, 2010 said:

but a governor dosen't rock back and forth, it has 2 weights on arms that, when swung out, hit something, and activate a brake or something.

Zomboe on Nov 15, 2010 said:

It looks extremely cool, like a spider!

Skimbal on Nov 15, 2010 said:

The guys at my hackerspace, CCCKC, call it "The Facehugger"

twotimes on Nov 15, 2010 said:

Next, you need to make a clock that uses this!

minipimmer on Nov 16, 2010 said:

Nice idea. I wouldn't say the mechanical efficiency of the printed gears can be expected to be very high but it would be a matter of adding the pendulum and scape mechanism to this thing and a bit of magic to get the first attempt to make a printable clock.

CidVilas on Nov 15, 2010 said:

Excellent idea! That will be awesome to see a printable clock that is wall mountable. :-$

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