I wonder if some kind of internal combustion design involving pistons or a rotary engine could cascade shock waves into a tube as well. By which I mean somehow sawing a car engine in half. OK, forget I said that...What about...Finally a use for that old doodlebug pulse jet engine? On Wed, Sep 3, 2014 at 12:22 PM, Monroe L. King Jr. < monroe@xxxxxxxxxxxxxxxxxx> wrote: > I'll say one more thing and shut up for a while. I'm working on fuel > control and variable geometry ideas. From my background with automotive > fuel injection and engine management systems. I see a possibility to > control these things on some of my future designs. Steaming from my work > on guidance and control. The guidance systems I'm working on keep > getting more powerful and the provision for engine management and > geometry control are just slightly ahead. > > Monroe > > > -------- Original Message -------- > > Subject: [AR] Re: Concussion Wind tunnel > > From: David Weinshenker <daze39@xxxxxxxxxxxxx> > > Date: Wed, September 03, 2014 8:51 am > > To: arocket@xxxxxxxxxxxxx > > > > > > Monroe L. King Jr. wrote: > > > Schlieren photography > > > > Well, yeah, that's an example of the sort of "specialized optical > > system" I was envisioning: I remain curious regarding the larger > > point... assuming the success of such an imaging campaign, what > > is thereby revealed that would be of interest from an engineering > > point of view? > > > > (I recognize that capturing pretty pictures of > > schlieren-visualized shock wave effects is not > > an uninteresting act in itself, of course, but > > presumably there's some object to the exercise > > beyond the mere image?) > > > > Keeping a schlieren optical system correctly aligned > > while in proximity to an operating shock tube tunnel > > might be ... interesting! (At least electronic imaging > > -probably- makes life easier than some of the stories > > I've heard about the old high-speed film cameras...) > > > > -dave w > > -- Christopher Shay <https://sites.google.com/site/chrisshay1/> (407) 566-8256 (321) 443-1451 - Mobile chrisshay1@xxxxxxxxx * "The era we are living in today is a dream come true." * * --Walt Disney*