The highest speed achieved by a person using a vehicle on land is called land speed record. In practice the category C (Special Vehicles) flying start regulations are used because there is no single body for validation and regulation. Category C regulations are officiated by regional or national organizations under the auspices of the Fédération Internationale de l'Automobile. ThrustSSC or Thrust supersonic car, developed by by Richard Noble, Glynne Bowsher, Ron Ayers and Jeremy Bliss, holds the World Land Speed Record. They set the record on 15 October 1997 when it achieved a speed of 1228 km/h (763 mph).

Thrust SSC is the first car to officially break the sound barrier. Thrust SSC broke the sound barrier in both the north and south runs. We get to the land speed record (LSR) with the speed over a course of fixed length, averaged over two runs (called passes). Two runs are required in opposite directions within one hour and to be validated, a new record mark must exceed the previous one by at least one percent.

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Bloodhound SSC. a supersonic car, is designed not only to go faster but to over 1,000mph. Going above 1,000mph means it can cover a mile in just 3.6 seconds. Bloodhound SSC weighs around 7.5 tonnes and approximately 13.4m long.The front section of the car is a carbon fibre monocoque and the back portion is a metallic framework and panels so we can say that the car's design is a mix of car and aircraft technology. The two front wheels of the car sit within the body and two rear wheels are mounted externally within wheel fairings of the car.

This car will produce more than 135,000 horsepower because it will be powered by both a jet engine and a rocket. The car is slated for its first test drive next October on a specially designed track in the Northern Cape of South Africa after eight years of research and development. Royal Air Force pilot Andy Green, who rode ThrustSSC to achieve the current land speed record of 763 mph in 1997, will climb aboard the Bloodhound to attempt to do one better. There is an oxygen mask, three braking systems and seven fire extinguishers in addition to the 500 sensors.

The Bloodhound Supersonic Car team has announced that its first attempt at breaking the long-standing land speed record will take place in October 2017. The record attempt will take place at the Hakskeen Pan in Northern Cape, South Africa. The full 1,000mph bid is scheduled for 2018. Project Director Richard Noble, Who also oversaw the Thrust venture in 1997, said "This is probably the biggest moment in the project's history, Before we could only see financially a few months ahead but now we can put our foot down and really go for it". He also said that the car is designed to do 1,600 plus kilometres an hour. We won't go any faster than that because after that we will begin to erode into the safety margins.