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Image of front toe angle 5 degrees (toe in) In automotive engineering , toe , also known as tracking , [ 1 ] is the symmetric angle that each wheel makes with the longitudinal axis of the vehicle, as a function of static geometry, and kinematic and compliant effects.
This is commonly used in Europe to denote the incline of a railway. It is sometimes written as mm/m or m/km instead of the ‰ symbol. [1] [2] as a ratio of one part rise to so many parts run. For example, a slope that has a rise of 5 feet for every 1000 feet of run would have a slope ratio of 1 in 200.
This was achieved by making the linkage not a simple parallelogram, but by making the length of the track rod (the moving link between the hubs) shorter than that of the axle, so that the steering arms of the hubs appeared to "toe out". As the steering moved, the wheels turned according to Ackermann, with the inner wheel turning further. [2]
The design horizontal alignment on the curved track in North America is 1 inch for each degree of curvature. Any other readings indicate deviations. The vertical alignment (or profile in North America, but not to be confused with rail profile) is the surface uniformity in the vertical plane. The measurement of uniformity is done using a ...
There are usually four camera units in a wheel alignment system (a camera unit for each wheel). The camera units communicate their physical positioning with respect to other camera units to a central computer, which calculates and displays. [3] Often with alignment equipment, these "heads" can be a large precision reflector.
These tools work to aid bone alignment. “Toe separators are designed to stretch and align the toes of the feet,” adds Emily Splichal, D.P.M. , a board-certified podiatrist.
San Francisco 49ers linebacker De'Vondre Campbell jogs onto the field before an NFL football game against the Los Angeles Rams in Santa Clara, Calif., Thursday, Dec. 12, 2024.
More and more people are talking about polyphasic sleep patterns. But a sleep doctor explains why polyphasic sleep is so unhealthy for humans.