Design, analysis and experimental verification of tubular spaceframe chassis for FSAE application

Appendices 7 - Research on Stressed Skin Construction for Chassis 1 Torsional Test on Bare Frame Graph 80-Structural torsional stiffness bare frame round 1 Angular Deflection deg Struc

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Appendices 5 - Data Acquisition on the Operation load of Chassis – X1-6A Accelerometer

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Appendices 6- Data Acquisition on the Operation load of Chassis – Acquired Data

1) Skid pad Event

Graph 70- Lateral, associated longitudinal and vertical acceleration experienced by the front left unsprung mass of the race car during skid pad event

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Graph 71-Lateral, associated longitudinal and vertical acceleration experienced by the front right unsprung mass of the race car during skid pad event

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Graph 72-Lateral, associated longitudinal and vertical acceleration experienced by the rear left unsprung mass of the race car during skid pad event

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Graph 73-Lateral, associated longitudinal and vertical acceleration experienced by the rear right unsprung mass of the race car during skid pad event

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Graph 74-Lateral, associated longitudinal and vertical acceleration experienced by the race car at the center of gravity (CG) during skid pad event

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2) Acceleration and Brake Test

Graph 75-Longitudinal, associated lateral and vertical acceleration experienced by the front left unsprung mass of the race car during acceleration and brake test

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Graph 76-Longitudinal, associated lateral and vertical acceleration experienced by the front right unsprung mass of the race car during acceleration and brake test

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Graph 77-Longitudinal, associated lateral and vertical acceleration experienced by the rear left unsprung mass of the race car during acceleration and brake test

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Graph 78-Longitudinal, associated lateral and vertical acceleration experienced by the rear right unsprung mass of the race car during acceleration and brake test

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Graph 79-Longitudinal, associated lateral and vertical acceleration experienced by the race car at the center of gravity (CG) during acceleration and brake test

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Appendices 7 - Research on Stressed Skin Construction for Chassis

1) Torsional Test on Bare Frame

Graph 80-Structural torsional stiffness bare frame (round 1)

Angular Deflection (deg)

Structural Torsional Stiffness of Bare Frame (TT1)

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2) Torsional Test on “Spaceframe” Frame

Graph 86-Structural torsional stiffness “Spaceframe” frame (round 1)

Structural Torsional Stiffness of Spaceframe Frame (TT1)

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3) Torsional Test on “Stressed Skin” Frame

Graph 92-Structural torsional stiffness “Stressed Skin” frame (round 1)

Structural Torsional Stiffness of Stress Skin Frame (TT1)

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4) Simply Supported Bending Test on Bare Frame

Graph 98-Structural bending stiffness of bare frame (round 1)

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5) Simply Supported Bending Test on “Spaceframe” Frame

Graph 101-Structural bending stiffness of “Spaceframe” frame (round 1)

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6) Simply Supported Bending Test on “Stressed Skin” Frame

Graph 104-Structural bending stiffness of “Stressed Skin” frame (round 1)

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