Chant Powered, Light Magic-Compressed Air Discharge Engine

The **Chant Powered, Light Magic-Compressed Air Discharge Engine** is a magic-based form of jet propulsion, developed by the Holy Milishial Empire, based on reverse-engineering the magical jet engines of the Ravernal Empire.

## Description

Like its name implies, the Chant Powered, Light Magic-Compressed Air Discharge Engine uses the principle of sucking in air and using it along with a form of magical combustion, to produce thrust out the rear nozzle. This is the basic principle in which all jet engines function. However, instead of using the chemical reaction of science-based liquids, such as jet fuel, the engine instead relies on the combustion of high purity magical gems. Since these engines have no turbines, they are more similar to the simpler and cruder pulse jet engines of World War 2. Furthermore, it is said that they use the Tear of the Wind God stones to draw in air, while using purified red magic stones to produce combustion and thrust. Basically they are using two magic spells to mimic the function of a primitive jet engine.

In addition to being less sophisticated than the afterburning turbofan engines like the Mitsubishi F-15J and the Mitsubishi F-2, the light discharge, air-compression engine suffers from low air intake and thrust, thereby resulting in much poorer performance, which includes lower speeds, rate of climb, acceleration and range. It is not the equal to the Ravernal Empire's engine from which it was based on. The Japanese engineers had estimated that the HME's magic jet engines are based on the Ravernal Empire's engines equivalent to the supersonic engines produced in the 1970's on Earth. Since the stuff that the Mirishials unearth may not even be limited to what is the latest, it is natural that the Ravernals may have more advanced magic jet engines. Also, since the Holy Mirishial's engine lacked a turbine and the heat-resistant materials to withstand such pressures, this results in a much lower compression ratio and the huge loss of thrust energy. The only advantage is that due to the slower speeds, there is less fuel consumption and therefore longer cruise range.

## Applications

The engine is the primary powerplant for all of the Empire's aircraft, including their fighters and bombers. Unfortunately, they proved to be too underpowered when compared to Japan's jets or the Gra Valkas Empire's propeller planes.

## Comparison to Turbojet and Turbofan Engines

As stated before, the Chant Powered, Light Magic-Compressed Air Discharge Engine lacks a turbine and is therefore comparable to the pulse jet engines of the V1 Flying Bomb of World War 2. As a result, it is relatively simple to operate and maintain with very few or no moving parts. However, the downside is a low compression ratio, loss of thrust energy and very poor fuel efficiency. As proven in their dogfights against the Antares fighter planes, the Alpha-3 Fighter and Beta-2 Bomber were so underpowered, that they couldn't compete on an even footing with the propeller-driven planes. The fact that they rely on highly-purified magic gems for fuel, compounds the problem of poor fuel efficiency as much of that energy is wasted. Furthermore, without turbines, the engines can only rely on the incoming air as the aircraft moves forward. That results in very slow acceleration and is more likely to stall.

Due to their cooperation with Japan, Mu was able to obtain the blueprints for the Nakajima Kikka, Japan's prototype jet fighter of World War 2. It used a pair of Ishikawajima Ne-20 turbojet engines. Since each engine used a turbine to increase the compression ratio of the incoming air before igniting it with jet fuel in the combustion chamber, it produces greater thrust and a better thrust-to-weight ratio. It still has a high fuel consumption rate, but far less of that power is wasted.

A turbofan engine takes the process one step further, by increasing the volume of air being compressed before combustion. As a result, fuel efficiency is improved at transonic and subsonic speeds. To get past the sound barrier, jets such as the Mitsubishi F-15J and the Mitsubishi F-2 must engage their afterburners, by injecting more fuel into the combustion chamber for short bursts of supersonic speed.