Home

The
BLOODHOUND
Project

The Bloodhound Project Front and Rear Suspension

Bloodhound SSC Vehicle Technical Specification: configuration 11, June 2012

 

Front Suspension

Suspension Type: Double wishbone – Spring Damper to LCA

Definition Unit Target Status Comment
Static Geometry
Ride Height Adjustment mm None within Suspension    
Bump Travel mm 100 50  
Rebound Travel mm 100 50  
Total Travel mm 200 100  
Static Camber deg 0 0  
Static Castor deg 6 5.99  
Kingpin Inclination deg 8 8.04  
Hub Offset mm 60 61.29  
Ground Offset mm 2 -0.19  
Mechanical Trail mm 100 99.29  
Roll Centre Height mm 0 0.04  
Roll Centre Vertical Migration (To Ground) m/m 1 n/a Target not achievable with current suspension design (parallel wishbone)
Anti Dive % 0 0  
Anti Lift % 0 0  
 
Kinematics Characteristics
Definition Unit Target Status Comment
Toe Change deg/m 0 to 0.1 toe out 0  
Camber Change deg/m 0 0  
Castor Change deg/m 0 0  
Longitudinal Wheel Centre Change m/m 0 0  
 
Spring Characteristics
Definition Unit Target Status Comment
Suspension Rate N/mm 200 to 300 250  
Wheel Hop Frequency Hz 12 to 20 12 Assuming 2000N/mm ground stiffness
Ground stiffness will vary with speed
Parasitic rate % <10 ?  
Suspension Frequency (Design Condition full with Fluids and Driver) Hz 2 to 3 2.301  
Suspension Frequency (Empty and driver) Hz 2 to 3 2.773  
Damper Ratio mm/mm <1.4:1 <1.363:1  
Spring Ratio mm/mm <1.4:1 ?  
Front Roll Stiffness from springs Nm/deg   2181  

 

 

Rear Suspension

Suspension Type: Double wishbone – Pull rod and rocker to spring over damper

Static Geometry
Definition Unit Target Status Comment
Ride Height Adjustment mm None within Suspension    
Bump Travel mm 100 50  
Rebound Travel mm 100 50  
Total Travel mm 200 100  
Static Camber deg 0 0  
Static Castor deg   11.22  
Kingpin Inclination deg   -18.86  
Hub Offset mm <60 41.24  
Ground Offset mm <40 15.71  
Mechanical Trail mm -20 to 0 -149.61  
Roll Centre Height mm 0 0.05  
Roll Centre Vertical Migration (To Ground) m/m 0.9 to 1.1 n/a Target not achievable with current suspension design (parallel wishbone)
Anti Dive % 0 0  
Anti Lift % 0 0  
 
Kinematics Characteristics
Definition Unit Target Status Comment
Definition Unit Target Status Comment
Camber Change deg/m 0 0  
Castor Change deg/m 0 0  
Longitudinal Wheel Centre Change m/m 0 0  
 
Spring Characteristics
Definition Unit Target Status Comment
Definition Unit Target Status Comment
Wheel Hop Frequency Hz 12 to 20 11.9 Assuming 2000N/mm ground stiffness
Ground stiffness will vary with speed
Parasitic rate % <10 ?  
Suspension Frequency (Design Condition full with Fluids and Driver) Hz 2.5 to 3 2.72  
Suspension Frequency (Empty and driver) Hz 2.5 to 3 3.11  
Damper Ratio mm/mm <1.4:1 ?  
Spring Ratio mm/mm <1.4:1 ?  
Front Roll Stiffness from springs Nm/deg   12462  

 


 

DISCLAIMER:

BLOODHOUND Programme Limited has provided this data as advisory and indicative and specifically and exclusively for the purpose of education. All facts, figures, concepts and principals provided relate only to the BLOODHOUND project. They may be inaccurate, out of date and subject to revision without notice. Under no circumstances should the data provided (or any derivative thereof) be used in whole or in part for any project, except in a purely theoretical environment. It should be understood that the entire project is experimental with high levels of personal risk and danger.

BLOODHOUND Programme Limited, its directors, designers and associates do not accept any responsibility or liability whatsoever for use by any party of the data provided in breach of these terms.

All data provided by BLOODHOUND Programme Limited is confidential and proprietary to the BLOODHOUND Programme Limited. All such data shall only be used for the purposes of education and shall not be used by any party for commercial gain.