Embodiments of the present invention provide foldable boat with at least two shell members, capable of being transformed between a storage configuration and a deployment configuration. The boat comprises an aft shell and a forward shell, coupled together by respective pluralities of interlocking pleats. The storage configuration comprises the two shell members folded together to form an interior storage space for carrying supplies and gear and allows the boat to be transported via a plurality of wheels and an extendable handle. A plurality of handles enables a user to unfold the boat into the deployment configuration, and a locking rod enables the boat to be retained in said configuration while in use on water as a boat or on snow as a sled.

An amphibious vehicle for traversing land and bodies of water includes a chassis, and a cycloidal propeller coupled to the chassis and which includes a plurality of cycloidal propeller blades rotatably coupled to the chassis and each extending parallel a rotational axis of the cycloidal propeller, and an extension/retraction system configured to extend the plurality of cycloidal propeller blades away from the chassis and to retract the plurality of cycloidal propeller blades towards the chassis.

A power train for an amphibian operable in land and marine modes includes a prime mover having an integral speed change transmission, at least a first land propulsion unit, at least a first marine propulsion unit, and a power transmission unit including a drive member configured to couple the prime mover to the at least first marine propulsion unit, wherein the prime mover is arranged to drive the at least first land propulsion unit through/via the integral speed change transmission in the land mode, and the prime mover is arranged to drive the at least first marine propulsion unit through/via the power transmission unit in both the marine mode and the land mode.

An amphibious vehicle power train having an engine (2) with an output shaft (4), driving an input member (6) of a variable speed change transmission (11). The speed change transmission, which may be a continuously variable transmission is arranged to drive road wheels through an output member (8). The engine also drives a marine propulsion unit (24). The axis of the output member (8) is above the axis of the input member (6). Four wheel drive may be provided.

An amphibious vehicle power train having an engine (2) with an output shaft (4), driving an input member (6) of a variable speed change transmission (11). The speed change transmission, which may be a continuously variable transmission is arranged to drive road wheels through an output member (8). The engine also drives a marine propulsion unit (24). The axis of the output member (8) is above the axis of the input member (6). Four wheel drive may be provided.

A method of moving liquid manure in a liquid manure lagoon involves: driving an amphibious vehicle into the liquid manure lagoon by remotely controlling speed and direction of the amphibious vehicle on the ground, the amphibious vehicle having a ground-engaging propulsion structure for driving the amphibious vehicle on the ground and a floatable vehicle body to float the amphibious vehicle in the liquid manure lagoon; and, moving the liquid manure in the liquid manure lagoon by remotely controlling speed and direction of the amphibious vehicle in the liquid manure lagoon.

There is provided an amphibious vehicle for use on land and water comprising lateral floaters which increases the stability of the vehicle when in water. While on land, the lateral floaters may be retracted within the body of the vehicle to reduce the width of the vehicle.

A wheel-legged amphibious mobile robot with a variable attack angle, which belongs to the technical field of robot structure technology. The robot includes three parts: motion unit, body trunk and power unit. As a key structure, the motion unit mainly includes a moving mechanism, a wheel assembly, a telescopic mechanism and a transmission device. The robot drives the telescopic mechanism to reciprocate linearly through a gear and rack set, and pushes “legs” to expand and retract, so as to realize a mutual switching between a wheeled mode and a gait mode. Under transmission of bevel gear set, the blades can rotate at any same angle at the same time, to change the attack angle and realize the steering. The robot provided by the present disclosure can effectively adapt to a complex and harsh amphibious environment, and meet a series of operation requirements such as rapid movement, obstacle climbing, underwater steering.

In one or more arrangements, a self-propelled liquid delivery vehicle is presented which has a frame assembly, drive members (e.g. a pair of track assemblies), a power system, and a liquid delivery system. In one arrangement, the pair of track assemblies are configured to facilitate propulsion of the self-propelled liquid vehicle when on land. In one arrangement, the pair of track assemblies are configured to facilitate floating of the self-propelled liquid delivery vehicle when in a liquid. In one arrangement, the drive members (e.g. a pair of track assemblies) are configured to move between an extended position and a retracted position. In one arrangement, an extension assembly is configured to move the drive members between an extended position and a retracted position.

The VEHICLE WITH TRAVELING WAVE THRUST MODULE APPARATUSES, METHODS AND SYSTEMS include force or forces applied to an arc-like flexible sheet-like material to create a deformed crenated strip fin with strained-deformations. The strained-deformations take on a sinusoid-like form that express the internal energy state of the flexible sheet-like material after it has been configured into a crenated strip fin. After being incorporated into a mechanism with couplings that prevent the crenated strip fin from returning to its un-strained state, the strained-deformations persist. Actuators may be used to sequentially rotate vertebrae attached to the fins causing the travel of sinusoid-like deformations along the fins. The fin, fin actuator or actuators, power source and central controller may be incorporated into a thrust module. Two thrust modules coupled to a central body via roll actuators and flexible coupling members may form a vehicle with exceptional maneuverability.