Why Caravans Roll Over TOC – Full Content Details
Table of Contents
- INTRODUCTION
- Understeer/oversteer
- Oversteer whilst caravan towing
- Misleading information
- Critical speed
- Major areas of concern
- Warning
- PART ONE
- CHAPTER ONE
- Why and how caravans sway
- Dog-trailers
- Pig-trailers
- Hitch overhang
- Eliminating hitch overhang
- Fifth-wheeler – zero yaw
- CHAPTER TWO
- How tyres work
- How tyres are actually steered
- Slip angles
- Tyre wall stiffness and slip angle
- Tyre pressure and slip angle
- Laden tow-vehicle weight and caravan laden weight
- Tow vehicle weight matters
- CHAPTER THREE
- Understeer & oversteer
- Understeer
- Oversteer
- Understeer/oversteer, tyre pressures and slip angles
- Understeer/oversteer and mass distribution
- Dirt roads
- Summary
- CHAPTER FOUR
- Further causes of instability
- Caravan length vs. weight
- Water-tank location
- Tow-hitch overhang and tow vehicle wheelbase
- Tow-hitch inserts
- Tow ball couplings
- Tow ball mass
- Towing capacity
- Gross Combination Mass
- Tow ball mass and weight distribution hitches
- Weight Distribution Hitch (WDH)
- WDH – pluses and minuses
- WDH adjustment
- Suspension modifications (tow vehicle)
- Airbag issues
- Independent suspension
- Caravan independent suspension
- CHAPTER ONE
- Ch 4 (continued)
- Yaw (sway) reduction
- Friction yaw reduction
- Sprung dual-cam yaw reduction
- Electronic stability control – Al-KO ESC
- Dexter DSC
- Cruise control risk
- Side wind gusts from passing trucks (and when passing trucks)
- Driver skill and reactions
- Loading your rig
- Part one summary
- Tow vehicle and caravan behaviour
- Part one summary
- PART TWO
- Towing stability – how does your rig rate?
- Caravan Stability Questionnaire
- PART THREE
- A more technical explanation
- CHAPTER FIVE
- Suspension
- Gyroscopic precession
- Roll centre height – caravan beam axle suspension
- Roll centre height – independent suspension
- How much does roll centre height matter?
- CHAPTER SIX
- Critical speed
- The single (fifth-wheeler) pendulum
- Conventional caravan pendulums
- Critical speed is rig and loading specific
- Major stability factor
- CHAPTER SEVEN
- Designing a stable pig-trailer caravan
- Suspension
- Tow ball mass
- Stability
- REFERENCES
- SAE International J8027
- Trailer and tow vehicle stability
- Books
- Papers
- Tow Vehicle and Trailer Dynamics
- Tyre Dynamics
- Websites
- SAE International J8027
- ACKNOWLEDGEMENT
- DEDICATION
- ABOUT THE AUTHOR
- PUBLISHING INFORMATION