Instructables

Simple LEGO toys: propeller

How to build a simple propeller toy from LEGO parts.
 
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Step 1: Find Your Parts

This simple project only requires two parts:

1x2952 Propeller 2 Blade 9 Diameter
1x3708 Technic, Axle 12

Part numbers are from http://www.bricklink.com/

Step 2: Build It

Push the propeller onto the end of the axle.

Step 3: Fly It

With the propeller pointed up and away from people, place the toy between the palm of your hands. Quickly move one hand forward while keeping it pressed against the other. This should launch the toy into the air.
Prometheus8 years ago
Actually the LEGO company has curiously-tight standards on it's components. The propeller blade in view is actually aerodynaically accurate for what is supposed to be a toy. Mount it on a hobby motor (mabuchi 535, check your local R/C shop), and you will have a powerful and efficient cooling fan for many projects. Only troubvle is paying the exorbitent prices for the kits. Raise your kids on LEGO and you will spawn the next generation of mechanical engineers, I promise...
or buy it of pick a brick
ghavo5 years ago
Hehehe... the most basic of toys. We had those when I was growing up but they were made of those plastic popsicle sticks. Good times.... good times....
I don't think that axle in the picture is a 12. There should be like this launcher thing for it. That would be cool.
huubzz6 years ago
that was not so usefull
cmwslw6 years ago
I need help on step 2.
stewmeat956 years ago
wow thats complicated woo
adamthiede7 years ago
lame. why waste server space on something that's just two pieces?
edison1427 years ago
I remember doing this when I was about 5 years old. Ah good times.
man wish there were more lego instructables too many legos so little knex
claudiocost7 years ago
Prometheus dude my brother is a lego genuis hes umbelieveable up to the very last detail
icedog5157 years ago
coolness i think..
Crash21088 years ago
I think you are supposed to put the propeller on top of the axle..
Skyone8 years ago
Took a genius to think of that.
padfoot4478 years ago
wait, i'm confused. do we put the axle into the propeller AFTER we buy it? just kidding. its a neat little toy for kids :P