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In most vehicles the drive-train consists of an engine for power, a gearbox to control how that power is used and
a differential to engage the wheels and axles. There are front wheel drive cars, rear wheel drive, all wheel drive and 4 wheel drive. The CO2 dragsters do not have a gearbox or differential but they certainly do have a power source! They work more like a jet!
Turbojet engines were used to power the land speed record vehicles. Jet engines create force or thrust by heating air that quickly expands and escapes from a nozzle.
The process involves:
1. Air enters the inlet and a compressor is used to increase the pressure and temperature of the air
2. In the combustion chamber, fuel is sprayed into the compressed air and burned. The heat generated from the burning fuel expands the air
3. This expanding air moves past the turbine that powers the compressor; finally...
4. Exhaust nozzle accelerates the air resulting in thrust.
The turbojets powering the Thrust SSC (Supersonic Car) are 5.2 metres long and little over 1 metre in diameter. Each weighs 1.8
tonne.
Your dragster uses a CO2 cartridge for power. The cartridge contains CO2 gas under pressure. The end is punctured so the gas escapes. This creates thrust or force in the opposite direction and that force will power your dragster down the track.
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