TopGear - August 2015 PH

(National Geographic (Little) Kids) #1

Going


supersonic


The latest Bloodhound SSC is designed to reach


1,610kph and stay intact WORDS BY FERMAN LAO


very car enthusiast knows


the first production


automobile was invented


in 1886 by Karl Benz. But


mention December 18 ,


1898 , and you’ll mostly get


blank stares. FYI: On that day, the first official


land speed record (LSR) was achieved by


French driver Gaston de Chasseloup-Laubat,


who drove the electric Jeantaud Duc to a little


over 63 kph over a measured kilometer.


Soon, attempts to beat the record kicked off.


The first few were set by electric vehicles, but


these were surpassed by the steam-powered


Easter Egg, which was quickly deposed by


a Mors vehicle propelled by an internal-


combustion engine. Internal-combustion


engines became the prime mover of choice


until August 5 , 1963 , when Craig Breedlove


breached the 650 kph mark with the jet-


powered Spirit of America.


This marked the shift to predominantly jet-


or rocket-propelled LSR holders. Of all these,


the Thrust SSC (Supersonic Car) was the first


and only one to break the sound barrier so far,


with British driver and RAF pilot Andy Green


clocking in 1,227.986kph in 1997.


Next year, Green will again be in the driver


seat, this time of the Bloodhound SSC. The


goal: Breach the 1,610kph (1,000mph) mark.


To achieve this, the Bloodhound SSC employs


technologies from the automotive, aviation and


aerospace industries, making it part-race car,


part-fighter jet and part-space rocket.


The front part of the car, for example,


is constructed with the same carbon-fiber


material and technology in Formula 1 cars.


Unlike F 1 single-seater tubs, however, the


Bloodhound has a more spacious cockpit, an


instrumentation panel, and controls that look


straight out of a fighter jet.


Behind the driver is the fuel tank for the


oxidizer of the hybrid rocket engines. The


fuel, high-test peroxide or HTP, is delivered


to a catalyzer and combines with the solid


propellant in the rocket via an impeller-type


fuel pump spinning at 10,000rpm. The pump


is driven by a beefed-up supercharged V8


powering the Jaguar F-Type R.


The Nammo hybrid rocket (meaning


E


it uses both a two-component fuel—the


aforementioned liquid HTP and a solid


synthetic rubber propellant) was chosen


because it can be shut off by Green at any sign of


trouble. A solid-propellant rocket, on the other


hand, would be nigh impossible to shut off until


the fuel runs out. And unlike liquid-fuel rockets,


the hybrid rocket does not carry the risk of


explosion should the liquid HTP and the solid


propellant come in direct contact without the


HTP passing through the catalyzer first.


From 0-560kph, the prime mover is the


EJ 200 jet engine repurposed from a Eurofighter


combat aircraft. Installed in a Eurofighter, it


is rated at Mach 1.2 at sea level—a bit short of


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