Good Points
Thanks guys. I have about narrowed this down to a 3 section approach. 17" of travel is not really a lot for Ag equipment (which this is). Its just that I have to be really short AND long. Good machining and balance looks like the key.
And thanks to those running this site...
The shaft will be changing length while under load. One problem I have run up against is the sections must be "pinned" somehow so everything telescopes properly and does no just pull apart.
And square tubing could work if matching O.D.s and I.D.s could be obtained.
Three Section Telescopic Driveshaft?
I have two gearboxes I need to connect. In operation they will move laterally in relation to each other. They move in one plane only (no offset or angular movement). The present setup just uses a two part driveshave with a U-Joint at each end to allow for...