Raptor 30/50 v2 assembly manual
Page 22 [click here for index]

Start by sliding the three tail control rod guides (12) on the tail boom. In some cases these are very tight and you need to sand the inside of the guides before they will slide. From the front of the tail boom, the first guide will be about 4 1/3" (or 11cm). At this time you will just get them in about the right location. Later you need to position the front one so that with the tail control coupler all the way back, the guide will be a 1/4" behind that and rotated to provide low drag to the tail control rod (14). You need the front guide close so that it keeps the coupler from touching the tail boom. Next install the horizontal mount (9) and fin (8). Now make the long tail control link (14) by installing the link (15). Slide the rod through the back guide, then middle, and then the front guide. Rotate the guides to get the rod straight. Later after you get the guides in the best position to allow low resistance, then put a drop of CA around the edge of the guides to prevent them from moving.
For the next part, you need to epoxy the ends (18) in the tubes (20) and secure them each with a screw (19).

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