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2016-11-17 Aeronautical Engineering - Perpetual Motion Machines:

No, you do not have a perpetual motion machine because it requires a battery for power that gets depleted. In short, the motion is not perpetual.    Perpetual motion is impossible because all moving systems

2016-10-31 Aeronautical Engineering - design a wing with minimum drag coefficient:

All aerodynamics are now done with computer simulators. Once the design is narrowed, wind tunnel tests are done to confirm the computer data.    The easiest way to experiment with airfoils is to use one

2016-10-26 Aeronautical Engineering - Heat loss of an axial compressor:

It is difficult to generalize about the insulation quality of compressors because each design is different. I doubt any are perfectly insulated. If you are asking how to calculate the heat loss through

2016-09-24 Aerospace/Aviation - Light Aircraft Safety:

Airliners use a prioritized message system. For example, if the airplane is on fire, that is given a higher priority than  a low fuel alarm. Also, light aircraft attempt to show ALL the information on

2016-09-20 Aerospace/Aviation - Destruction of Shutte-Lanz SL11:

Hello Tony.  I've not heard of that expression before, although it does sound like just the thing a patriotic newspaper would concoct.  The best account of the shooting down of the SL11 I've found is in


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