Engineering Technology

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Engineering Technology Senior Design Team
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Design Team Members

• Jason Clarke
• Joel Davis
• Randy Haskins

• Jason Crouse
• Bobby Erwin
• Joe Rainey

Crush Zone Development
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Background Summary

• Driver Safety
• G-Force Reduction
• Additional Deceleration Time
• Previous Safety Designs
• Head and Neck Restraints
• Soft Wall
• Enhancement of Current Design

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Conceptual Design

• Current Design Issues
• Minimal Energy Absorption

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Current Design Fig. 1
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Conceptual Design

• Enhancement of Current Design
• Utilize Current Design
• Addition of Aluminum Honeycomb
• Substantial Reinforcing Member

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Conceptual Design Fig. 2
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Constraints Objectives
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Constraints Objectives
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Decisions

• Vehicle Characteristics
• Impact Angle
• Velocity
• Mass
• Aluminum Honeycomb Material
• Superior to Paper, Composites, and Plastics
• 2,000 PSI Required, but 232 PSI used

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Fig. 3 Representation of Material Tested
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Evaluation

• Test Data Coincide with Calculated Data
• Recommendations for Improvement
• Stronger Material Crush Strength
• Better Material Containment
• Testing Capabilities at High Speeds
• More Direct Involvement with Racing
  Organizations

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Summary

• Researched Current Design
• Received/Determined
• Constraints
• Size Limitations
• Weight
• Objectives
• Reduce G-Forces by 25

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Summary Cont.

• Decisions
• Material
• Strength
• Data was Expected
• G-Force Reduction Not Met
• Recommendations
• Higher Strength
• Containment of Material

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Special Thanks/Sources
Petty Enterprises Chip Ganassi Racing Cymat Ed
Braun Glen Grissom Dan Rowe