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The Quadski is a 4-stroke amphiquad that converts from a quad bike/ATV to a personal watercraft. It can attain a top speed of 72 km/h (45 mph) on both land and water. [ 1 ] The Quadski uses a marine jet propulsion system as well as wheel retraction, allowing it to transition between land and water.
Boating (Main in Frankfurt) Motoring A righthand drive Amphicar at the Ulster Folk and Transport museum, Northern Ireland Propulsion is provided by twin propellers mounted under the rear bumper Amphicar gearbox President Lyndon B. Johnson driving an Amphicar, 1965
The Gibbs Humdinga is a high speed amphibious vehicle concept designed by Gibbs Technologies.It was publicly announced in February 2012 and was created specifically to access remote and hostile terrain.
The vehicles use a patented hydraulic system to raise the wheels into the wheel wells, allowing the vehicles to plane on water. These vehicles can transition between land and water modes in about five seconds. The first Gibbs fast amphibian is the Quadski, introduced in October 2012. It went on sale in January 2013. [promotion?]
Power-to-weight ratio (PWR, also called specific power, or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another.
Limited edition doughnuts have also been made, including as tributes to public figures, some for sale and others for display in the shop. [25] [45] Specialty doughnuts are sometimes connected to donations made by the company to nonprofit organizations, with a portion of sales proceeds from certain doughnuts donated to an organization. [54]