Auto-Rewinding Cord Reel

This reel was designed to manage the power cord on a fuel pump that I use at work. Wrapping the cord around a spool was a pain, not to mention the constantly tangled wires. I based this idea off of the little auto-rewinders that they use on headphones and earbuds, only I scaled it up to a more industrial size.

This utilizes the recoil spring out of a Troybilt TB22 trimmer I had laying around the shop. According to diagrams, this particular spring is available only as a part of the recoil hou