LEGO Rubberband Vehicle
Posted 14 February 2010 - 12:28 PM
So, anybody got any ideas? The vehicle could be anything, from a small car to a giant helicopter to a miniature boat. But, it may only be powered by rubberbands, and should run as long as physically possible.
Posted 14 February 2010 - 02:15 PM
2854 Bungee Chopper
2129 Blast-Off Dragster
8202 Blast Off Chopper
8205 Bungee Blaster
You should get an idea how that can be realized!
I got them recently and they are simple yet effective!
Edited by freakwave, 14 February 2010 - 02:16 PM.
Posted 14 February 2010 - 02:17 PM
This was one of my favourite childhood models to make.. lots of fun.. and didn't need many parts.
I think I remember modifying it a bit, to include a ratchet mechanism.. so you could just lift the arm up, without having to pull the wheels back.
Lego did a couple of rubber band official sets.
Posted 14 February 2010 - 04:48 PM
Posted 14 February 2010 - 04:52 PM
The instructions for the "Easy Rider" #8202 Bungee Chopper set are available at http://us.service.le...ns/default.aspx . After you type in the set number, be sure to scroll down to the bottom of that webpage to see the downloadable building instructions (for both the Main and Alternate models).
Posted 14 February 2010 - 07:14 PM
Posted 14 February 2010 - 07:39 PM
That's interesting! In fact, when I think of medievil catapults that didn't use weights to store potential energy, they used lots of ropes that were twisted.
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