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The effect of rollover protection systems and trailers on quad bike stability

Edlund, Björn and Lindroos, Ola and Nordfjell, Tomas (2020). The effect of rollover protection systems and trailers on quad bike stability. International Journal of Forest Engineering. 31 , 95-105
[Research article]

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Quad bikes are light-weight vehicles which are used for transportation of personnel, equipment, and material in forestry operations such as planning, logging, planting, and fire-fighting. With increased quad bike usage, serious injuries have become an increasing concern. The most common forms of severe incidents occur when a quad bike loses stability, causing injuries as it rolls over the rider trapped beneath. The risk of injuries during a rollover incident can be decreased by equipping the vehicle with rollover protection systems (ROPS), but since ROPS tend to decrease the stability of quad bikes, their use can be a trade-off between the risk of overturning and the outcome of any such incident. In this study, we examine the effects of approach angle, trailer load, ROPS and different hardware configurations on a quad bike’s static stability. We found that approach angle and trailer configurations influenced the vehicle’s stability, although the effect was difficult to quantify in a static environment. Furthermore, the quad bike’s stability was negatively influenced by equipping it with a heavy (44 kg) ROPS. It reduced the static stability by an average of 5.1°, while a light (14.7 kg) prototype ROPS only reduced the vehicle’s static stability by an average of 1.0°. The negative impact a ROPS has on a quad bike’s lateral stability could be effectively counteracted by increasing the quad bike’s track width. Increasing track width by less than 2% (20 mm) compensated for any negative impact that the light prototype ROPS had on the quad bike’s lateral stability.

Authors/Creators:Edlund, Björn and Lindroos, Ola and Nordfjell, Tomas
Title:The effect of rollover protection systems and trailers on quad bike stability
Series Name/Journal:International Journal of Forest Engineering
Year of publishing :2020
Page range:95-105
Number of Pages:11
Publisher:Taylor & Francis
Publication Type:Research article
Article category:Scientific peer reviewed
Version:Published version
Copyright:Creative Commons: Attribution-Noncommercial-No Derivative Works 4.0
Full Text Status:Public
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 405 Other Agricultural Sciences > Agricultural Occupational Health and Safety
Keywords:ATV, All-terrain vehicle, Rollover protective structure, safety, occupational health, injury prevention, Operator protective device (OPD), Small-scale forestry
Permanent URL:
Additional ID:
Type of IDID
Web of Science (WoS)000545287800002
ID Code:17344
Faculty:S - Faculty of Forest Sciences
Department:(S) > Department of Forest Biomaterials and Technology
Deposited By: SLUpub Connector
Deposited On:28 Aug 2020 08:08
Metadata Last Modified:15 Jan 2021 19:20

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