Brown and Miller Racing SolutionsModular Chassis

February 8, 2016

Changes made Increased structural integrity with support bars Changed front and rear clip tube dimensions Increased cockpit area Modularity Section connection type Torque Tube Containment

New ModelOld Model

Wheel Base 74” Length Chassis 100” Height 46” Width 28” top, 24” bottom Weight - 149 lb.

Wheel base 74” Length Chassis 104” Height 58” Width 34” Weight - 228 lb.

Chassis Size Comparison

Safety Increased height to 58 inches for more head clearance Increased cockpit width to 34 inches Added halo bar for penetrating protection Safer Torque Tube

containment Added supports on each

side for penetration and impact protection

Dirt Clips Asphalt Clips

Model ComparisonCurrent Model New Model

Maintaining tradition If properly enforced, our design offers increased safety and features

while keeping the look and style of current midget racing cars.

Implementation Resource Requirements

Welding/Welders (BMRS) Tube bending (BMRS) Machining Materials (BMRS)

Testing Drop/Impact Test Comparison Test between chassis

Documentation Changes need to be included in

a rule book Must be enforced by track

officials

Spring ProgressFront/Rear clip thickness

Changed from .095” to .083”Drawings

Updated current drawing with new dimensionsCompleted tube and connector drawings

Cut listMade cut list for all tubes

Cut list provides detailed dimensions to account for bending requirements

Modularity

Tapered interface create a rigid connection

Joints create a seamless and aesthetically pleasing connection

Bill of MaterialsITEM NO.

QUAN-TITY UNIT UNIT PRICE TOTAL PRICE

P G 1 SUB-TOTAL

245.44

125.31

41.96

10.78

DESCRIPTION

6.63 446.20

4.90 89.67

4.16

13.19

959.35

5.39

41.96

ft

2 -

4

6

1 -

184130 Chrome/Moly Tube - Round: 1" O.D. x .095" wall

Aluminum Sheet 6061 T6: .063" x 24" x 48"

High-Strength Grade 8 Steel Cap Screw 1/2"-20 Thread, 3" Long, Zinc-Plated Part #(91257A751)

4130 Chrome/Moly Tube - Round: 1-3/8" O.D. x .083" wall

Chrome/Moly Round Bar 4130 Normalized: 1-3/8"

59 ft

5

9.5 ft

3

1 67 ft 4130 Chrome/Moly Tube - Round: 1-3/8" O.D. x .095" wall

2

Major Upcoming Milestones

• Prototype Final Manufacturing – 3/4/16• Prototype Final Assembly – 3/18/16• Prototype Test – 3/25/16• Prototype Review Presentation – 4/1/16• Final Design Test – 4/15/16• Senior Design Expo – 5/5/16

Where we stand Fabrication

Materials purchasing Individual part files Welding CNC machining

Post-Fabrication Impact testing Old/new chassis comparison Full car completion (Body panel fabrication) Second car/multiple clips