1) Engine technology
Found on
https://www.crosswordclues.com/clue/scotch-yoke
The Scotch yoke (also known as slotted link mechanism) is a reciprocating motion mechanism, converting the linear motion of a slider into rotational motion, or vice versa. The piston or other reciprocating part is directly coupled to a sliding yoke with a slot that engages a pin on the rotating part. The location of the piston versus time is a sin...
Found on
http://en.wikipedia.org/wiki/Scotch_yoke
No exact match found.
