Marklin 8521 - Z Track (195 mm) 7-11/16R, 30 degree Curve

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Radius 195 mm / 7-11/16". 30° Curve. Charlie's Tips: These pieces are 30 degrees each. That means that 6 pieces make a half circle. The radius is 195mm, which is close to 7-11/16 i nches. That means that a half or full circle has a diameter of 15-3/8 inches. This is measured from the center of the track piece to the center of the track piece. The second picture shows the track geometry For a full circle you need 12 pieces For a half circle you need 6 pieces For a 90 degree turn (quarter circle) you need 3 pieces For a tighter circle, use 8510 For a wider circle, use 8530 or 8531 If you would like a full box, order 10 pieces, they are packed in box of 10. Track 8520 is the same radius curve. It is longer, and spans 45 degrees. Show more