I think you could design it yourself. If need be have it built by a mechanical workshop.
A potential problem I see with the pencil experiment is the air resistance being different for the spinning and non-spinning pencils. You could overcome that by using denser material, like metal rods. Also by measuring the decrease in speed with time to make sure it's not decelerating more.
Can you explain a bit more about this energy thing? I can see the rotating one would have an extra rotational kinetic energy. But that doesn't mean the translational velocities will be different. It could mean the two rods simply have different amounts of energy. Which they do - the rotating one has been subject to the same linear force, but also a moment as well.
What's motivated you to pursue this? Have you ever noticed any inconsistincies in the classical theory, or incorrect predictions?
