Recent content by 35 AoA

a quick google or wiki search will tell you everything you need to know for casual research on the subject.

Inlet ramps are used to create oblique shockwaves that will slow down the freestream velocity and increase the pressure/density of the air entering the compressor section. Some aircraft use fixed geometry inlets for lower mach numbers, though anytime you get near the Mach 2+ range, you pretty...

Basically it uses fuel to pump fuel. We have a couple different types of motive flow pumps in my jet: ejector, and turbine. Ejector motive pumps use the venturi effect to transfer fuel, using high pressure motive flow Turbine type motive flow pumps use that same high pressure motive flow to...

I think the first one is a better book in general, but it has been superceded in terms of classroom use by the second link (pdf). Better info IMHO in the original however.

Haven't flown the heavy metal high bypass motors yet, but on the F404's in my jet, we fire up the APU, and then the air from that is diverted through the L and R bleed air circuits to spin the compressor section. Once spun up through about 15-20% N1, you have enough air flow to introduce fuel...

NASA did a study during the oil crisis in the 1970's on the subject of propfans. That would probably be a good place to start, as I'm sure they laid the groundwork for any continuing investigation of this kind of technology. Not familiar with this project, but it appears there is some more...

The math involved is significantly more complicated than algebra, but of course good algebra and trig fundamentals are important the further along you go. Numerical analysis, diff eq's, etc are just the basics, with more real world situations being the realm of computer analysis. If you want the...

Generally speaking, max range airspeed/mach is used whenever something else isn't required tactically. Get's you the longest distance using the least amount of gas. This airspeed is a function of altitude, ambient temperature, external stores (how much stuff you are dragging through the air on...

Most modern jets still use AoA vane(s) as well. In the Hornet, we have dual vanes, one on either side of the nose. This is backed up with an AoA value derived from the accelerometers/rate gyros in the flight control/inertial suite, primarily to give approximate AoA readings at high AoA when you...