The original elevator pushrod that came with the first kits wasn't the right length. See my post here for more description. Below is a picture of the original pushrod (top) and the replacement (bottom). My replacement pushrod was received from Van's in December of 2014 with an associated plans update on 10-Dec-14. Kits shipped later than around that time frame should already have the correct pushrod.
Here are the extremes of the servo travel after activating it in both directions. It takes 22 seconds, stop-to-stop actuation time in both directions. Approximate deflection of 37° downwards and 9° upwards, relative to elevator chord for a total of about 46°. This suggests the RV-14A likes to pitch up more than down.
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