It was one of the cooler things I've done, and I do a lot of cool shit.
One of the cool things about the Piper Cub is that the plane can happily fly with the doors wide open. So, it was a lot like being on the Triumph, only at 500 - 1000 feet off the ground. Low and slow is awesome.
Although he promised to let me take the controls, he forgot until after we'd landed. To be honest, I didn't mind. It'd be too much like riding some other guy's prized motorcycle.