Challenge: Our Client was hired by a major paint manufacturer to develop and construct one of the world's largest functional wood yo-yo's in order to promote their new line of products. The wood yo-yo was fabricated from an aluminum inner hub, with six CNC'd plywood...

Challenge: Hopper Engineering and Associates was tasked with the evaluation of a three level stage (shown above in a live action shot) with a diagonal staircase and elevator, for the purposes of filming. The staircase and floor levels were constructed from...

Challenge: Our client requested we analyze ten unique letter structures to form a sign to be used during a temporary travelling sporting event.The letters, roughly 8'-0" tall and varying between 2'-0" and 20'-0" in width will be used outdoors and are subjected to both...

Challenge: To verify the structural adequacy of a motorized aluminum target lift system to support its self-weight, dynamic, and seismic loads. Special attention was required to account for the dynamic vertical movement of the motorized portion of the target lift...

Challenge: The client wanted to install a beverage cup shaped awning over an existing escalator opening at a new NFL stadium in Northern California. The goal was to create a design that was both structurally adequate for permanent wind and seismic loads and was...

Challenge: Hopper Engineering was asked to perform a structural analysis and risk assessment of a special effects hydraulic tilting platform. The tilting platform was built to have an interior spaceship cockpit set piece (pictured top right and bottom left) attached...

Challenge: Hopper Engineering Associates was requested to analyze a temporary wood dome structure measuring 75'-0" in diameter and 45'-6" in height. The client wished to give the dome structure an open appearance by utilizing wood ribs. Due to the curvature of the...

Challenge: Hopper Engineering was requested to provide engineering support for a local car museums' grand spiral staircase. The grand staircase was part of a larger multi-million dollar remodel of the museum. The staircase is constructed completely of steel. The...

Challenge: Our client built a 200 foot wide stage deck and runway system that was entirely supported by the bottom floor surface of the pond in front of a major hotel and casino in Las Vegas, NV. The pond floor is 9 feet below the water surface. A portion of the stage...

Challenge: Hopper Engineering Associates was tasked to evaluate a Bubble Ship used for filming. The goal was to ensure the structure would be capable to withstand the dynamic forces imparted on it during production and to provide modification recommendations when...