I have once observed a Skyranger-trained guy do his first takeoff in a Cessna 152. He stalled it at a few metres' height, and although he quickly corrected his error, it cost a few grey hairs to those on the ground.
So much for quality training then.
Your first flight in a new type, you strictly fly to the numbers listed in the POH, not by the gut feeling that was ingrained into you by flying on another type.