George Patterson wrote:
Qansett wrote:


I flew C150's and C172's in the early 1970's. none of them had
rudder trim.


Most of the 150s and all of the 172s I've flown had a rudder trim tab.

All the 152's have 'em as do the later 172's. The early 172's (even
after they went to the swept tail) don't.