Trunk Spoiler v0.1

Run: R-010
Project: P-001 / Release v0.1
Car: Gen. 1 Tesla Model 3
Speed: 65 mph
Date: 2024-12-12
Group: Spoiler
Baseline: R-001
Cd: 0.299

R-010 / CFD 65 mph

Z is direction of travel, X is side force, Y is parallel to gravity. Directional indicator in lower left corner of video references the wind tunnel and not the object- ignore it.

v0.1 improves downforce at 65 mph versus baseline by 32.2%, or 40.6 Newtons, while maintaining the same measured Cd (.299) as baseline.

Key stats	R-010	R-001 Model 3 Control
Frontal Area (m²)	2.259	2.259
Planform Area (m²)	8.183	8.156
Drag Coefficient (Cd)	0.299	0.299
Lift Coefficient (Cl)	0.073	0.107
Force in X	-12.1 Newtons	8.32 Newtons
Force in Y	85.4 Newtons	126 Newtons
Force in Z	-351 Newtons	-351 Newtons

Geometry and flow

Trunk Spoiler v0.1, airflow — Fig. 1 Velocity