...my 1/18th scales used the same pitch that we use on the 1/10th cars...
I had a bushing build to actually be able to use my 1/10th gears on my 1/18ths small shaft too. (It was basically a piece of tube, with a cutout in it for the set screw to lock against the shaft, not the bushing.
R/C Racing since 1985 ~ Santa Maria, CA (Central Coast)
2001-2012 - South-West Tour R/C Oval Series - R.I.P.
...will the SWT be revived? Time will tell, but we ARE returning to the VELODROME in 2016