This allows different reduction ratios to be set without changing the mechanism's shape, increasing its weight, or adding stages.

If this is to work at more than one reduction ratio there are a choice of lenses.

Because listing characters are a simple design, a reduction ratio of 50 gives good quality and puts about 300 pages on a microfiche.

V-belts trump flat belts with their small center distances and high reduction ratios.

By adjusting the needles different enlargement or reduction ratios can be achieved.

The transmission has a reduction ratio of 24 in three stages, and is designed for infinite life.

The manufacturer will tell you what reduction ratio to expect.

Be aware, however, that the reduction ratio may include air space.

A torque multiplier is a gear box with reduction ratios greater than 1.

The vehicle does not have a transmission, only a single speed fixed gear with a 9.73:1 reduction ratio.