The terminology for jackshaft drives is the same as for reciprocating steam locomotives: the rod from the jackshaft throw to the corresponding main is the 'main' or 'connecting' rod, and the one inside it is the 'side' rod. Because the main rod is heavier, it hides the side rod when 'over' it during rotation.
Because of the action of the jackshaft, the main lies over the side rod nearly all the time. I have only found one picture so far, taken from a relatively low angle, that shows a very little bit of the bottom of the side-rod eye below the bottom flange of the main:
https://storage.googleapis.com/clio-images/31019.71907.jpg
If you take a look at the second driver, you can see two rods connected to the crankpin.
We assume it's hidden by the main rod that's almost parallel to it. Not much other possibility.
I've had a question about the VGN EL-3A's
VGN EL3a #107 (rrpicturearchives.net)
Only one siderod is visible between the jackshaft and the far driver. Where is the siderod that connects to the near driver?
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