The 5-spoke belt carries 2.5 times the blade diameter.

Axis. Enclosed in 1/8 × 1 and 1/2 belong to the inner band and 1/

1 / 4×4。 The ribbon is tilted outward by 45. second

The blade can bring the whole blade to a diameter of 2.5.

Axis. Enclosed in 1/8 × 1 and 1/2 belong to the inner band and 1/

1 / 4×4。 The ribbon is tilted outward by 60 degrees. blade

Use a speed other than 20 rpm or 55 rpm.