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Objective

Design a Parking Brake for MSXV that satisfies ASC and WSC regulations

Key outcomes

Status

Status
colourYellow
titlein progress

Overall Assembly File

Assembly of Parking Brake System

Problem Statement

Design MSXV’s Parking Brake, ensuring that it meets all regulations as imposed by ASC and WSC

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Must have:

  • Rotors must have a diameter from 6.00” to 13.00”

  • Rotors must have a thickness from .25” to .81”

  • Actuating lever (to connect caliper to brake cables)

Nice to have:

  • Hang caliper on center, or very close to center of rotor

  • Mounted at 10-11 o'clock position

  • Design caliper bracket mount

Keep in mind:

  • MSXII’s parking brake failed to meet FSGP requirements for minimum stopping distance

  • Parking cables have a minimum bending radius of 6”

Need to figure out:

  • Narrowness of car

  • How brakes (caliper portion) will be mounted

  • Do we want a stick vs center lever parking brake (center lever recommended)

  • How do brake caliper assemblies work

  • Lever force

  • Lever design

Caliper Carrier (Keep in Mind)

  • Adjustable tabs

  • Caliper carrier connected to suspension mount (one part)

  • Suspension shouldn’t interfere with caliper body

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Parking Brake Parts

Part #

QTY

Catalogue URL

Specs

Wilwood Caliper (Parking Brake Caliper)

120-1360

2

https://www.wilwood.com/PDF/Flyers/fl13A.pdf

Brake Pad Info Sheet

https://www.wilwood.com/BrakePads/BrakePadsProd?itemno=150-13675

  • Single piston, floating caliper

  • Has a cam-actuated lever

  • Two settings for leverage adjustment

  • Brake pads designed for this caliper are discontinued (no info)

Parking Brake Cable Kit

**NOT COMPATIBLE WITH CURRENT CALIPERS WILL NEEED TO BUY OTHER CALIPERS

330-9371

1

https://www.wilwood.com/PDF/DataSheets/ds1108.pdf

  • Cable’s should be routed as straight as possible, minimum bend radius of 6”

Lokar Floor Mount Emergency Brake Cables

LOK-EC-80FU

1

https://www.summitracing.com/int/parts/lok-ec-80fu?gclid=CjwKCAjw3POhBhBQEiwAqTCuBrmHMPKnEqtbtJ_nSAGLrYqbwaM0tjgGjE86dsp26-KafkHzff89oBoCCM4QAvD_BwE&retaillocation=int

Needs to be purchased

Lokar Wilwood Clevis

EC-80WC

1

https://www.shopeddies.ca/lokar-ec-80wc-wilwood-clevis-kit.html?srsltid=AfAwrE79zTWI-6fgyurX6oQ_D0oDyzZQGqQYnFp3MPiafjrWJeOYXz4j_Cs

Needs to be purchased

\uD83D\uDD17 Reference materials

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