Hmmm... You could then bore that baby out and pop in the internals of a Fora..... You could satisfy you need for aesthetic period looks and power to spin a fan in an excitable manner
Actually, I wonder if someone like Andy W has done any re-work on these engines? I bet there is a bit more power lurking inside em.
Then again, a cox TD 049 has plenty enough power to fly well with.
S