Heres what I mean in the range...

3 speed
• Overall Range - 160%
• Gear 1 - 62.5% (-)37.5%
• Gear 2 - 75% (-)25% (Gear 1 + 20%)
• Gear 3 - 100% Direct Drive (Gear 2 + 33%)

Perhaps someone who I good at these things can give us a primer on gears and ratios.

Shannon