Mike, I get about 5 rpm with the transmission in high gear, 1.25 rpm is in low gear or reverse... <G> dave m > > me> Might be a bit slow at ca. 600:1 reduction but worth a try. > > dm> the twister essentually changes 1725 rpm to about 1.25 rpm > > Oh! That's pretty slow. My gearbox reduces 3450 to ca. 6 rpm. I'll > have to add "twister" to the list of things to do Real Soon Now. Tnx. > > - Mike >