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Nature of Miracles

Can miracles be explained scientifically? Interesting, and I think the short answer is yes. I believe that in some cases that miracles are just things that happened that we didn’t understand. I was watching a show on the History Channel…
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How Aircraft Propellers Work

We all know the Wright brothers built the first successful airplane. But their advances in propeller design are less known. They realized a propeller is really just a rotating airfoil (wing). By applying knowledge gained from their wind tunnel testing…
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How Turboprop Engines Work

The propulsion system widely used by transport planes and small subsonic aircrafts running in low speed are usually turboprop engines. Turboprop engines are composed of an intake fan, compressor, combustor, turbine and nozzle. One distinct factor that makes this engine…
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How Turboprop Engines Work

Turboprop engines are the most common engines in small propeller driven aircraft. The propellers are fitted directly to the front of the engine, and when you think of a small aeroplane with a propeller on the front the engine is…
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Elevons and how they Function

An elevon on an aircraft is a flap that combines the functions of an elevator and an aileron. The name is derived from these two words. (ELEV-ator and ailer-ON). In a traditionally designed aircraft the elevators control pitch and the…
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History of AC

Air conditioning is not new. Home cooling efforts date back at least to the Romans in their prime. The Persians made some fairly advanced efforts toward enhancing indoor comfort as well. When out-of-doors, and before air-conditioned vehicles became available, humans…
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