OD-3 Overdrive Transmission

Product Details Extremely compact and lightweight 70.0g / 2.46oz Dimensions in mm: 35Lx59Wx36H Designed for motor forward mounting Left-motor  (front output on the right side, and rear on the left) Mounting is accomplished by two M3 mounting holes, 23.0mm center to center (not angled) Fully Enclosed 7075 Aluminum Case Heat treated alloy steel gears Grade 5 Titanium output shafts 3.66:1 gearing, plus 44T spur gear Uses 48P pinion gears from 9 to 17 tooth Use 12T pinion  as a starting point for most AR44 applications with overdrive front gears 18.6% overdrive (both outputs spin same direction, so no need for flipped ring gears) 28% overdrive when used with underdrive rear ring and pinion 38% overdrive when used with underdrive and overdrive ring and pinion.