On the day that I removed the old vinyl lettering from Ariel, I sprayed the vinyl lettering with WD-40 in the morning. Another task had priority and I had forgot to bring the hair dryer, to the boat yard. That afternoon, I returned to the boat yard hair dryer in hand. But before plugging in the hair dryer, I decided to see if I could peel the letters off.
Yes, 30 minutes later all of the vinyl letters were off!!