Advanced Race Dynamics

Steering

Course Objective:

After completing this course the student will be able to learn different steering mechanisms, including designing, analysis and manufacturing of steering assembly for a Formula 1 car.

Course Modules

Components of a typical Steering Setup – knowledge

Types of Steering Mechanisms – knowledge

General Steer Parameters and other related phenomenon - application

Course Modules

Initial Design for steering mechanism- synthesis

Parameters for Designing an Ackermann Steering – analysis

Analysis in Adams – analysisManufacturing of Formula 1 steering

system– synthesis

Components of a typical Steering Setup (knowledge)

Module Objective:

After going through this module, the student

will be able to identify the basic components

of steering system.

Components of a typical Steering Setup

Module Units:

Steering Wheel

Steering Column

Types of Steering Mechanisms (knowledge)

Module Objective:

After going through this module the students

will be able to know and name different

types of steering mechanisms and

differentiate between those.

Types of Steering MechanismsModule Units

Rack & Pinion Steering

Re-circulating Ball Steering

The Bell-Crank Mechanism

Power Steering Mechanism

Speed Sensitive Steering

Four Wheel Steering

General Steer Parameters and other related phenomenon (application)

Module Objective

After going through this module the students

will be able to know the various parameters

required for steering mechanisms and hence

infer best steering setup for various type of

race cars.

General Steer Parameters and other related phenomenon

Module Units

Caster, Camber, Toe Angles, SCI and Scrub Radius

Under-steer, Over-steer

Ackermann and Anti-Ackermann

Initial Design for steering mechanism (synthesis)

Module Objective

After going through this module the students

will be able to design a basic steering

mechanism based on initial results of

steering parameters.

Initial Design for steering mechanism

Module Units

Steering Objectives

Steering Constraints

Kinematic Steering Pros and Cons

Parameters for Designing an Ackermann Steering (analysis)

Module Objective

After going through this module the students

will be able to handle the designing

parameters for a perfect steering

mechanism.

Parameters for Designing an Ackermann Steering

Module Objective

Knowing the parameter “Track” of car

Knowing the parameter “wheelbase” of car.

Knowing the parameter “pin-to-pin” distance of front wheels.

Analysis in Adams (Analysis)

Module Objective

After going through this module the students

will be able to infer best steering design

based on analysis in Adams software based

on parameters inputted.

Analysis in Adams

Module Units Initial Modelling

Primary Test including Frontal Squeeze, Torsional Rigidity, Primary Squeeze, Main Roll Bar Crush

Secondary Test including Motor Area Squeeze, Front Roll Bar Crush.

Relevant test & Results.

Manufacturing of steering system (synthesis)

Module Objective

After going through this module the students

will be able to design and create final

steering system based on final design which

is most optimized.

Manufacturing of steering system

Module Units

Wheel Hub

Steering Column

Overall Assembly

PROBLEMS

KnowledgeIdentify the following steering mechanisms

Comprehension

Explain different types of steering mechanisms. Also describe the use of these steering mechanisms in Formula 1 race cars.

Application

Arm Length

Circumference Reduction Factor Steering Ratio

Idler & Pitman 5” 31.4159” .9090

Mazda Steering 5½” 34.5575” .9090

Mongrel Steering 6½” 40.8407” .7692

Find the steering ratio using the following data.

Analysis

Analyze the bell crank mechanism of the go-kart car using ADAMS.

Synthesis

Design a small rack and pinion steering mechanism of small Formula style race car.

Evaluation

Compare all types of steering mechanismsand suggest the best steering mechanism for the Formula 1 car.

Thank You