RCCrawler Forums

GD redux: 2.5:1 (18t 48p pinion on motor - stock as supplied from Great Planes) 
 Output shaft pinion:    tranny ratio:   final redux: 
 15t                     34 (stock)      85 
 14t                     36.4            91 
 13t                     39.2            98 
 12t                     42.5            106.3 
 11t                     46.3            115.6 
 10t                     51              127.5 
 9t                      56.6            141.5 
 
 GD redux: 3:1 (15t 48p pinion on motor) 
 Output shaft pinion:    tranny ratio:   final redux: 
 15t                     34 (stock)      102 
 14t                     36.4            109.2 
 13t                     39.2            117.6 
 12t                     42.5            127.5 
 11t                     46.3            139 
 10t                     51              153 
 9t                      56.6            170 
 
 GD redux: 3.5:1 (13t 48p pinion on motor) 
 Output shaft pinion:    tranny ratio:   final redux: 
 15t                     34 (stock)      119 
 14t                     36.4            127.4 
 13t                     39.2            137.2 
 12t                     42.5            149 
 11t                     46.3            162 
 10t                     51              179 
 9t                      56.6            198 
 
 GD redux: 3.8:1 (12t 48p pinion on motor) 
 Output shaft pinion:    tranny ratio:   final redux: 
 15t                     34 (stock)      129.2 
 14t                     36.4            138.3 
 13t                     39.2            149 
 12t                     42.5            161.5 
 11t                     46.3            176 
 10t                     51              194 
 9t                      56.6            215.1