My $.02 ... I have a 1/4 Giles 202 with an ST2300 and I used CA hinges per the manual... After about 10 flights I was retuning the engine when I switched from break-in fuel and one of the ailerons and the rudder started to rip off do to vibration... I am going to put all new CA hinges tommorow as I have been out of the country since it happened.. This time I am going to double the quantity.. If I had "real" hinges lying around I would switch to them though.. I am not real familiar with the Ultrastick 120 but if possible I would use "real" hinges.. If you have to use CA's I would double up on them at least at the inboard and outboard edge othe surface... Here is what I plan to do to my Giles: