SINGLE STAGE GEARED SINGLE STAGE TURBO BLOWERCORE TECHNOLOGY ProductOverview CoreTechnology PackagedSystem Model Data &Performance High EfficiencyProven TechnologyHigh ReliabilitySimple Control SystemsInlet and Outlet Vane ControlDesigned for Each ProjectGear SetImpeller Trim GB Single Stage Geared Turbo Blower Core Components 3GB Single Stage Geared Turbo Blower Core Components 2GB Single Stage Geared Turbo Blower Core Components 4 VARIABLE VANE TECHNOLOGY Tilt Pad Force Lubricated Bearings Infinite Bearing Life!Hydrodynamic BearingMinimal MaintenanceTried & Proven Bearing DesignNo Contact with ShaftSteel Backed10 Year Core Component Warranty Available Efficiency of Backswept Impeller Back Swept Impeller is efficient in the most stable part of the curveRadial Designs operate most efficient in near surge conditionsSome manufacturer ride too close to surge and have frequent trips.Lone Star recommends a 10% rise to surge for most applications