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2013 Gibbs Quadski PHIBIAN Amphitrucks

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Product Description

High performance on land and on water.

Designed as the platform of the future for amphibious transport and rescue. Phibian is the largest High Speed Amphibian (HSA), developed to date. The carbon fibre-constructed 4WD Phibian in passenger mode can comfortably carry 15 people. When reconfigured for cargo it can carry a payload of 3,307 pounds (1,500kg). Fast on land and water. Rapid in transition.


Technical highlights

Power Train

Phibian is powered by two 250hp 6 cylinder turbo diesel engines. It  is capable of highway speeds on land and 30mph+ on water. With the touch of a button and in seconds, Phibian transitions between land and water. On land each engine independently power a drive line allowing, front, rear or all wheel drive on demand.  On water, the engines are also coupled independently with a GIBBS HSA technology water jet propulsion system. Incorporating two independent drive lines, on land and water, allows complete redundancy of one system, while retaining the capability, under a single power train, to return to base. Phibian has robust marine, highway and off-road performance.


One of the most significant GIBBS Amphibians proprietary HSA technologies incorporated in Phibian is the wheel retracting system. It gives superb ride and handling on land and retracts, when on the water, all four wheels out of the water flow stream, reducing drag. The complete transition, a single button transformation between land and marine modes, takes seconds. The wheels decouple from the drive line when retracted on water. Sensors detect when the Amphitruck is waterborne and will not allow retraction on land.


GIBBS Amphibians proprietary HSA jet units are lighter and more compact than traditional marine industry water jets and provide high levels of thrust and maneuverability at low speeds and reverse while providing power to cruise at planing speeds. Utilizing twin GIBBS Amphibians proprietary HSA water jet technology GIBBS Amphitrucks are propelled to planing speed in seconds.


Incorporating GIBBS Amphibians proprietary HSA technology, GIBBS Amphitruck hulls are a strong, durable and lightweight all-composite structure. The hull is designed to be aerodynamic to optimize on land performance and is hydro dynamically engineered to ensure maximum maneuverability and directional stability on water in displacement and planing modes. Two principle elements, an internal structural frame and the top deck, combine with the hull to provide an integrated body structure, ensuring complete structural compliance for on-road and on-water demands. Using Finite Element Analysis, the GIBBS Amphitruck hull form and construction is an optimized amphibian structure rather than a compromise between on-land and on-water performance.

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