Ridiculous bug-bot propulsion method of the day

 From IEEE Spectrum:

The reason to go with little tiny rockets for microrobots (as opposed to a more conventional propulsion system powered by batteries) is fairly straightforward: energy density: you can get a lot more energy per unit of mass from a rocket than you can from a battery. These particular rockets use APCP (Ammonium Perchlorate Composite Propellant), and each has multiple stages, with integrated "delay charges" that modulate the thrust from the rocket by significantly reducing its output for up to about five seconds. Here's what the design looks like:

 

As IEEE Spectrum aptly titles this video:

"BWAHAHAHA DID YOU SEE THOSE PUNY HUMANS FLEE IN TERROR?!"

 

Views: 1599

Comment by Rigel on July 16, 2012 at 11:40pm

Yep... I'm all for testing rocket motors in warehouses full of flammable materials.  It adds to the excitement ;o)

Comment by Jack Crossfire on July 17, 2012 at 1:47am

Stand closer to it.

Comment by Robert Pigeon on July 17, 2012 at 7:19pm

 Ironically a friend and I were recently having a contest. It was to build a micro free flight using a tiny bottle rocket motor as propulsion. Longest flight wins. Balsa building materials. It was cheap fun.

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