The compact LTG Fahrtwind Simulators type VQF (Fahrtwind = wind generated by a moving vehicle) were specifically designed for use in roller test stands. However, they are equally appropriate for general purpose applications with other cooling or inflow simulations. Among the versatile applications are e.g. the automotive industry as well as machine and plant construction test labs. LTG units’ special feature is their use of tangential fans with specific flow patterns offering considerable advantages: