Case Study

Single-Leaf Bascule Lift Bridge: Custom Heavy-Duty Speed Reducers

Single-Leaf Bascule Lift Bridge: Custom Heavy-Duty Speed Reducers

• Massive single-leaf bascule design replaced original double-leaf configuration • Custom-designed gearboxes to meet specifications • Three different drives were manufactured • 150% load testing required at 75-degree incline for all reducers • All manufacturing and testing performed in-house Custom Heavy-Duty Speed Reducers Single-Leaf Bascule Lift Bridge Originally built in 1922, the Fort Street fixed-trunnion bascule bridge

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