Monday, February 18, 2019

Chapter 8: WhySST (Y-Fuselage Super Sonic Transporter)

1. Illustration of WhySST flying over a high-density populated area: Unlike Concorde, WhySST (Y-fuselage Super Sonic Transporter) is not too noisy to fly above residential area and city.

WhySST (Y-fuselage Super Sonic Transporter) is a conceptual design for "above mach 1.0" version of Y-fuselage passenger jet. The supersonic transporter is shorter than Concorde, but can carry many more passengers than Concorde did. However, much more significant is WhySST is much more economic and quieter than Concorde.

2. Top view of WhySST.

WhySST is economic and quiet, even more economic and quieter than conventional passenger jets because its 5 parallel turbofans are "hidden" between its vertical stabilizers and rear end of its fuselages and above the lower half of its rear fuselages, but below the rooftop line of its fuselages (invisible when viewed from the front and below). Such positioning reflects the sound from the turbofans upward and reduce the drag when WhySST flies, resulting in less noise transmitted to the area below it.

3. Side view of WhySST; Notice the "hidden" propulsion in the bottom illustration.

4. Front view (top) & rear view (below) of WhySST: The propulsion is invisible from the front.

5. Bottom view of WhySST: Notice the propulsion is invisible from below.

WhySST can accommodate 150 passengers in very comfortable seating, 50% more than Concorde did. In an economic seating configuration, WhySST can carry 200 passengers as within the number of passengers typically carried by narrow body passenger jets, but with a speed twice that of those narrow body aircrafts.

6. A seating arrangement of 150 passengers for WhySST.

Since WhySST will be more economic than Concorde, but can fly as fast as Concorde, airlines and special tour companies will be interested to own the supersonic transporter, including companies that manage the haj and umrah (the Muslim pilgrimage). Such a company has ready customers that number up to hundred thousands if it operates globally. A candidate company maybe Tabung Haji the Malaysian government-linked investment company that manages the pilgrimage if it operates globally transferring not only the Malaysian pilgrims, but also pilgrims from other regions of the world to Jeddah in Saudi Arabia and back to their countries. Such a company will be suitable to invest in the development of WhySST and operate the supersonic transporter. When out of the pilgrimage season, the SST can be used for conventional flight including rental to airlines.

7. An illustration of Tabung Haji WhySST flying above Jeddah, Saudi Arabia.

Being supersonic, having wide loading bay and relatively quiet for a commercial aircraft, WhySST will find a role in military aviation. By having a large opening below its fuselage with foldable doors, WhySST-M (the military variant of WhySST) can carry internally and launch a full-size fixed wing cruise missile or UCAV (Unmanned Combat Aerial Vehicle).

7. Bottom view of WhySST-M with a large "bomb door"

8. An illustration of a UCAV diving to target after released from WhySST-M.

Having the turbofans hidden from below not only deflects the sound upward, but also reduces the IR (infrared) signature of the turbofans outlets from below. This reduces the probability of WhySST-M to be detected and hit by SAM (surface-to-air) heat seeking missiles, further enhances the capability of the supersonic transporter as strategic bomber.

10. WhySST-M Lutong Hitam (Black Lutong) strategic bomber. The double white stripe is a stealth initiative. Lutong is a species of monkey living in Malaysia. 

11. WhySST-M Nakba (Catastrophe) strategic bomber is to mark the Nakba Day (15 May), the day the Palestinians were expelled from their Palestine homeland in 1948. This is an illustration of Nakba with Palestine flag flying above Masjidil-Aqsa.

WhySST is another great potential of Y-fuselage concept, which will find its market both in civil and military aviation.


DISCLAMER

1. The "high-density populated area" background in figure 1 is from a public website.
2. The UCAV in figure 8 is from a public website.


Chapter 7: Pushquito Push Quadcopter

Chapter 9: WhyHST (Y-Fuselage Hyper Sonic Transporter)



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