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Regulatory definition: For the purpose of U.S. regulation and GTRs (Global Technical Regulations)—and for clear communication in safety and seating design [7] —the H-point is defined as the actual hip point of the seated crash test dummy itself, [7] whereas the R-point (or SgRP, seating reference point) is the theoretical hip point used by ...
Ackermann geometry. The Ackermann steering geometry (also called Ackermann's steering trapezium) [1] is a geometric arrangement of linkages in the steering of a car or other vehicle designed to solve the problem of wheels on the inside and outside of a turn needing to trace out circles of different radii.
The positive x-axis in vehicles points always in the direction of movement. For positive y - and z -axis, we have to face two different conventions: In case of land vehicles like cars, tanks etc., which use the ENU-system (East-North-Up) as external reference ( World frame ), the vehicle's (body's) positive y - or pitch axis always points to ...
The following outline is provided as an overview of and topical guide to vehicles: . Vehicle – non-living means of transportation.Vehicles are most often human-made, although some other means of transportation which are not made by humans can also be called vehicles; examples include icebergs and floating tree trunks.
The following outline is provided as an overview of and topical guide to automobiles: . Automobile (or car) – wheeled passenger vehicle that carries its own motor.Most definitions of the term specify that automobiles are designed to run primarily on roads, to have seating for one to six people, typically have four wheels, and be constructed principally for the transport of people rather than ...
A grid bearing (also known as grid azimuth) is measured in relation to the fixed horizontal reference plane of grid north, that is, using the direction northwards along the grid lines of the map projection as a reference point. A compass bearing, as in vehicle or marine navigation, is measured in relation to the magnetic compass of the ...
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The clean vehicle stock includes 30.5 million flexible-fuel cars and light utility vehicles and over 6 million flex-fuel motorcycles by March 2018; [59] between 2.4 and 3.0 million neat ethanol vehicles still in use, [60] [61] out of 5.7 million ethanol only light-vehicles produced since 1979; [62] and, as of December 2012, a total of 1.69 ...