from what i have read here i will never use a ca type hinge.cost of ca hinge vs cost of pinned hinge< cost of total plane engine and radio.how lomg a ca hinge last is a moot point in referencing murphys law the hinge will only last till the worst possible momment for it to break.i have a 33 year old falcon 56 that gas dubro pinned hinges in all surfaces and have not ever failed or replaced,same with my 30 year old stafford p-39.
i have a 29 year old skyglass cutlass that also has not had any problems with engines.i have used pinned hinges in a robinhood 80 with a maloney 125 for 12 years and no problems.they may take a bit longer to install properly but i believe the longetivity is worth the effort.