Rudder
Nick,
The V2 rudder is pretty simple, it's got old school heavy duty plastic hinges with a single removable pin. I had the same question regarding the rudder and here is what AJ said when I emailed them on the subject:
"~Subject: Rudder hinge pin
Hi Trent, We usually place a small piece of clear tape on top of the rudder, or a small wheel collar on the bottom of the hinge pin.
Thanks, Joe
Sincerely,
AJ Aircraft"
There is a slot in the top of the rudder, the pin is inserted from the very top down through the balance tab an into the first (top) hinge - then through the remaining two hinges. I found a small wheel collar in my parts bin so I'll end up installing a collar on the bottom of the pin and clear packing tape over the top. (I tried white Monokote but it didn't work so well)