pic: 499 Prototype drivetrain final layout

[Nuttyman54]

Originally Posted by AndyB

Very interesting. What is your sprocket setup (input/output)? I would probably recommend going with #35 chain in a drive situation. #25 is more suited for arms and other lower-stress mechanisms.

#25 chain has been used successfully by many many teams for driving applications (including both of my own teams), and greatly reduces the weight. If you correctly tension the chain, and everything is aligned right, they pose no issues. It should be just fine in this setup

From what I can see in picture, you're just bolting the angle iron on to the extrusion. I'd suggest putting some gussets or triangles in there in that setup to keep the frame from becoming a parallelogram.