I have a rock picker and the top sprocket is missing, which is the one on the hydro shaft. the one below that that connects to the picker bar is a 24 tooth, just curious if you all have any ideas or input? would it be a 12 tooth for a 2:1 ratio or 6 tooth for a 4:1 ratio?? I dont want to put too small of one where it spins like crazy and destroys something! I purchased it this way. it is a ROCKAWAY unit and cannot find any information on it...
