This is a custom designed curved track with a radius of R56 (56 Lego dots).
This track is parallel to the original R40 Lego curved track.
This part enables creating even more interesting layouts with parallel curved tracks running at a distance of 8 Lego dots.
This distance of 8 Lego dots guarantees that trains pass each other safely without a collision.
It was designed taking into account all the Lego parametric requirements which makes the part fully compatible with original Lego.
The enlarged radius of the track enables much higher speeds without derailing the train.
Check out our other cruved tracks with various radii to combine them and make your layouts even more interesting.
The R56 is the radius measured from the center of the circle to the centerline between the rails using the Lego stud as the unit. Lego stud is 8mm. The space needed to have the full R56 circle can be calculated as follows: (56 + 4) * 2 * 8mm = 960mm = 0.96m. This measures the diameter (2 * radius) of the outer shape of the track - that's why we added 4 studs in the formula.
In general, the formula for calculating the outer diameter of the track circle is:
(R + 4) * 2 * 8mm