Propeller

Ncomment blogspamed:

ncomment.com/blog/2008/09/23/propeller/

 

Gerard Barberi experimentally submits it to Propeller:

www.propeller.com/story/2008/09/24/propeller-design-flaw/

Added to Mixx by cGt2099:

www.mixx.com/photos/2234867/propeller_ncomment

Done