Hybrid electric nitro 1/8th scale!

[simplechamp]

They do it to learn about mechanics and build their problem solving skills. It is through projects like this that things that were once thought to be implausible or impractical can be turned into something that can really work well. People used to say "why bother?" or "it's a waste of time" about lots of the stuff we take for granted today. I think it it's awesome regardless of how useful/useless it may be.