| Answer | Crossword Clue |
|---|---|
| shafted | revolving bar in an engine |
| shafting | revolving bar in an engine |
| shaft | revolving bar in an engine |
| shafts | revolving bar in an engine |
| eccentrics | A disc or wheel mounted eccentrically on a revolving shaft in order to transform rotation into backward-and-forward motion, e.g., a cam in an internal combustion engine |
| crosshead | A bar or block between the piston rod and connecting rod in a steam engine |
