“ and so we begin We have asymmetry in electroldynamics. A kind of friction if you will, a delay. Which is the fundamental of all propulsion... (read full comment) ” 

Posted on July 15, 2011 at 4:13 AM EDT

“ Why does the nose cone have to land on the sr71 spikes? The cones move in and out to fine tune a set of shockwaves inside to make the flow... (read full comment) ” 

Posted on October 13, 2010 at 6:19 AM EDT

+ 1 more comment posted in this discussion

“ Why? Wheel motors are an interesting concept, but surely there are power and fiscal benefits from having larger single motors and a drive train.... (read full comment) ” 

Posted on March 23, 2009 at 10:19 AM EDT

“ Stall et all Stall is seperation of the boundary layer. In golf balls and other 'trips' the flow is forced to be turbulent which although creates... (read full comment) ” 

Posted on August 1, 2008 at 7:57 PM EDT