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How to calculate the turning radius of 40ft flatbed semi-trailer.

Consider Prime Mover Tyre Max turning angle 55degree & trailer bed 70 degree

User Nadhas
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Answer:

Explanation:

To calculate the turning radius of a flatbed semi-trailer, you can use the geometry of the trailer's turning maneuver. The turning radius is the distance between the center of the turning circle and the center of the rear axle of the trailer. Here's how you can calculate it:

Convert the Turning Angles to Radians:

The turning angles provided are in degrees. Convert them to radians by using the formula: radians = degrees * (π / 180).

For the prime mover (tractor) turning angle:

θ1 = 55 degrees = 55 * (π / 180) radians

For the trailer bed angle:

θ2 = 70 degrees = 70 * (π / 180) radians

Calculate the Trailer Overhang Length:

The trailer overhang length (L) is the distance between the rear axle of the tractor and the center of the trailer's rear axle. This length is given as 40 ft.

Calculate the Turning Radius:

The turning radius (R) can be calculated using the following formula:

R = L / tan(θ1) + L / tan(θ2)

Plug in the values:

R = 40 ft / tan(θ1) + 40 ft / tan(θ2)

Calculate the tangents of the angles using the tangent function on your calculator:

R = 40 ft / tan(θ1) + 40 ft / tan(θ2)

Substitute the radians values:

R = 40 ft / tan(55 * π / 180) + 40 ft / tan(70 * π / 180)

Calculate the turning radius in feet.

Remember that the calculated turning radius will give you an approximate value, as real-world factors such as tire scrubbing, suspension characteristics, and trailer design can affect the actual turning behavior.

User Nicholas Knight
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