Methods, systems, and vehicles are provided for controlling lift for vehicles. In accordance with one embodiment, a vehicle includes a body, one or more sensors, and a processor. The one or more sensors are configured to measure values pertaining to one or more parameter values for a vehicle during operation of the vehicle. The processor is coupled to the one or more sensors, and is configured to at least facilitate determining whether an unplanned lift of the body of the vehicle is likely using the parameters, and implementing one or more control measures when it is determined that the unplanned lift of the body of the vehicle is likely.

A go-cart frame and a tricycle frame that can be attached to an engine frame. Both the go-cart frame and tricycle frame have a mounting bracket that attaches to a bracket on the engine frame. The engine frame has an engine mount, a transmission system and two wheels. The go-cart frame has two wheels in the front, a front steering systems, a body with a seat and throttle and brake controls. The tricycle frame has a single front wheel, a steering system, a seat and throttle and brake controls. To convert one device to the other, the user simply unbolts the engine frame from the other frame (supporting it as needed), disconnects the control cables, moves the originally connected piece, moves the other piece into position, and then bolts this new piece to the engine frame and reconnects the controls. Then, the new configuration is ready to use.

A method for safely capturing an engine RPM threshold in a spark-ignition internal combustion engines which may exceed the maximum safe unloaded RPM for that engine. Typical engines having a safe RPM high speed redline when coupled to a load, and a reduced RPM redline when decoupled and unloaded, can be set to activate ancillary equipment at a high redline, engine loaded RPM by deriving and processing data from the engine at a low, unloaded reduced RPM speed. The method requires operator reference to an existing OEM or after-market tachometer which enables the user to set a low RPM reference point while the engine is unloaded and running at a slow RPM. Raw data from the latter variable RPM threshold selected by a user is safely captured while the engine is operating unloaded, and a higher RPM threshold is calculated and set from the raw data. The higher RPM threshold may exceed the maximum safe unloaded RPM for said engine.

An electric kart has a frame, a seat, four wheels, an electric motor operatively connected to two of the wheels, and at least one battery operatively connected to the electric motor. The at least one battery has a support structure mounted to the frame of the electric kart, and battery cells positioned on the support structure such that there is at least one air passage defined between the battery cells. Air passes through the at least one air passage when the electric kart is in motion to cool at least some of the battery cells. A battery for an electric kart is also disclosed.

A motorised kart (10) has a chassis (12), a front wheel axle (14), an engine (16) mounted to the chassis and a transmission to transmit drive from the engine to the front wheel axle. The transmission includes a differential unit (20).

A transmission brake release trigger and method of operation, designed to enhance consistency and reduce reaction time for bracket drag racing and other competitive motorsports. The system includes a precisely engineered trigger mechanism, incorporating a sear lever, trigger lever, and industrial micro switch assembly. This innovative design achieves an average reduction in leave time of 0.020 seconds and offers improved reaction consistency across various racing scenarios. The invention supports both normally closed (NC) and normally open (NO) switch configurations, enabling adaptability for different racing styles and event requirements. Key features include spring-loaded components for reliable engagement, ergonomic trigger action for user convenience, and quick reset capabilities. Multiple embodiments are described, including direct contact switch designs for instant-on green racing. The modular construction ensures compatibility with various vehicle configurations. This inventive trigger mechanism offers superior performance for racers seeking faster and more consistent starts.

A system is disclosed included but not limited to a wheel having a wheel pressure chamber; a tire having a tire pressure chamber, wherein the tire is mounted on the wheel; a tire pressure sensor inside of the tire pressure chamber for measuring a tire air pressure inside of the tire pressure chamber; a wheel outlet valve between the wheel pressure chamber and the tire pressure chamber; a processor that reads a measure of the pressure inside of the tire pressure chamber from the tire pressure sensor and controls the wheel outlet valve to allow gas from the wheel pressure chamber to flow into the tire pressure chamber to increase the pressure in the tire pressure chamber when the tire pressure is less than a reference tire pressure. A method is provided for using the system.

A drive assembly for a kart, and a kart including the assembly is disclosed. The assembly includes an electric motor including an output shaft; an assembly housing surrounding the motor, the housing defining an aperture; an intermediate shaft rotatably disposed within the assembly housing; a driving gear removably disposed on the output shaft within the housing; a reduction gear removably disposed on the intermediate shaft within the housing; and a panel removably connected to the housing for selectively covering the aperture, the driving gear and the reduction gear being removable from the motor and the housing via the aperture when the panel is removed from the housing, the panel, the driving gear, and the reduction gear being disposed above a maximum level of transmission oil contained within the housing when the motor is not operating. A method of changing a kart transmission ratio is also disclosed.

A display system and a display method for a vehicle is disclosed. The display system may include a display formed on a tail fin of the vehicle, the display including at least one planar structure. The display system may further include at least one projector configured to project content onto the planar structure of the display. The display system may also include a controller configured to control the at least one projector.

A braking system for a road vehicle having: a brake disc; a brake caliper provided with at least one hydraulic piston; a hydraulic circuit containing a brake liquid and having: a hydraulic control unit provided with an electrically controlled pump and a delivery pipe, which connects the hydraulic control unit to the hydraulic piston; a return pipe, which is separate from and independent of the delivery pipe and connects the hydraulic piston to the hydraulic control unit; a recirculation solenoid valve, which is interposed along the return pipe and can be controlled so as to enable or forbid the circulation of the brake liquid along the return pipe; and a control unit, which, when the braking system is not used, opens the recirculation solenoid valve and operates the electrically controlled pump so as to create a circulation of the brake liquid through the first delivery pipe and through the return pipe.