At max gross weight and 65% power, I usually see a Calibrated TAS of around 138 to 143 mph (call it 115-120 knots) trimmed out with the cowl flaps closed in my 150 Heavy. <img src="/ubbthreads/images/graemlins/shocked.gif" alt="" /> <img src="/ubbthreads/images/graemlins/smile.gif" alt="" /> <img src="/ubbthreads/images/graemlins/cool.gif" alt="" />
