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Aeroshell

Our Mission: The Bullet Project program aims to challenge the conventional wisdom and derive innovative solutions using sound underlying principles of Science, Technology, Engineering and Mathematics, stimulating minds and capturing imaginations so that future generations are proactive and driven to succeed. To achieve this we will design and construct a rocket powered vehicle to travel at over 1,000 mph (1,609 kph) across the surface of the Earth and ultimately set a new world land speed record.

Engine

Driver Safety Capsule

Braking Systems

Wheels

Engine Development

Propelling a land vehicle to supersonic speeds has forced the team to consider a wide array of propulsion technologies to provide the optimal power within tight weight, size, expense, fuel and form-factor constraints.

Just one of the multiple rocket motor designs developed by The Bullet Project team, shown here, is a bi-propellant pintle injection cluster system running on LOX kerosene. The cluster contains six rockets each producing 10,000lbs thrust at full capacity.

TypeLiquid bi-propellant
FuelKerosene
OxidiserLOX
Thrust60,000 lbs
Burn Time20.42 seconds
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Fixed-Hub Concept

When travelling at speeds in excess of 1,600 kilometres per hour the wheels will be rotating at over 10,000 revolutions per minute developing extreme forces about the rim, pushing conventional wheel design and materials well beyond their safe operating tolerances.

To reduce the extreme centrifugal forces The Bullet Project team has developed a new, fixed-hub wheel design which significantly reduces the rotating mass and hence the associated forces (Force = Mass * Acceleration).

NameFixed Hub
Rotational Velocity10,000 rpm
FeaturesIntegrated Suspension
Internal Braking System
Diameter764 mm
Width200 mm
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Driver Saftey Capsule

The immense speeds required to challenge for a world land speed record have given rise to more complex safety concerns. One of the heavily debated concepts between WLSR challenge teams has been a simple question as to whether or not to remove the driver from the car in the case of emergency.

The Bullet Project has followed in the steps of aviation pioneers Heinkel, almost 70 years ago, to develop a safety capsule capable of automatic deployment should a critical situation arise. Due to the extreme operating environment and close proximity to the ground, the team has to ensure that the capsule is blast proof, fireproof, self-levelling and safe to land from such low altitudes.

NameDetachable Safety Capsule
FeaturesBlast Proof
Fire Proof
Self Leveling SystemGyroscopic
Braking SystemsInflatable Aerodynamic Decelerator
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The Aeroshell

To reach 1,000mph (1,609kmh) the RV1 must transition through the sound barrier and become supersonic. At these speeds the surrounding environment becomes so dense that the air flowing over the vehicle resembles fluid. This phenomenon requires a totally different approach to the design concept than has traditionally been the case.

Biomimicry formed the foundation for the fluid dynamics of the RV1, designed as if travelling through water rather than air, inspired by examples of aquatic life forms and the study of their naturally evolved movement through this medium.

NameAeroshell
FeaturesDual Tail Fins
Aerospike
Length9.1 m
Width2.4 m
Height1.8 m
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Braking Systems

After the rocket motors have shut down, there will be a substantial increase in negative g forces as the surrounding air pushes against the RV1 creating a natural braking effect. This effect will slow the RV1 down to approximately 600mph and the inflatable aerodynamic decelerator will be deployed.

The inflatable aerodynamic decelerator known as a ballute, is a balloon/parachute and is often used by the military and NASA to efficiently reduce the velocity of their craft for safe recovery. The ballute will reduce the speed of RV1 sufficiently to engage our low speed braking systems.

ObjectiveHigh Speed Braking System
Diameter1500 mm
Length2300 mm
Deployment MethodExplosive
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Initial Simulations comfirm low speed stability

Posted 17th July 2013

The Bullet Project is pleased to welcome the professional assistance of American Company Arete Research Consultants LLC. Tim Leach Ph.D., President of the Company, has agreed to work with The Bullet Project to determine both the aerodynamic and fluid dynamic

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The Bullet Project focus in on propulsion choice

Posted 19th June 2013

Throughout the design of RV1, our propulsion choice other than rocket has remained optional. This has been intentional as there were many considerations affecting choice. Our biggest challenge has been the selecting from the many propellant options available which best suit our purpose.

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Ergonomics of ultra high speed driving - Dr. Paul

Posted 19th June 2013

Human Simulation (HS) and Virtual Environments (VE) are now finding their way from the research laboratories into industrial applications. With regard to human simulation, digital human models (DHM) have become commonly used tools in virtual prototyping and human-centered product design.

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