Thanks again for all the help everyone. Diamond Jim in answer to your question what I meant to say but probably wasn't clear was that the old shaft twisted an it's axis through about 30 degrees but did not bend. For a short term fix I guess I'll buy the off the shelf splined shaft, meanwhile...
Designer Mike ... in answer to your question the shaft is 12 inches long and it is supported by two bearings, each 1 inch from the ends of the shaft. A drive hub with sprocket is mounted in the center, and 2 drive hubs for the CV's which drive the axles are mounted on each end. The drive bubs...
Thnaks for the info. everyone. I appreciate the help. In answer to some questions raised the material that I can get locally (the 1018 keyed stock and the 1215 splined shafting) are both ground, not heat treated. I called my supplier and I can get nromalized, rough turned 4130 but they do not...
I made a center driveshaft for an off road race car from 1" 1018 steel. The shaft failed by twisting through about 30 degrees and bending slightly. I am trying to figure out what material to upgrade to. I have room to go as large as a 1 3/8 inch dia. shaft and can find 1215 grd. splined...
