C J Campbell wrote:

What is with the foxy covers on the prop?

The claim is that a prop, particularly a metal one, will pull heat from the engine.
If you are just shutting down for a few hours, prop and engine covers will help
keep the engine warm.

George Patterson
Love, n.: A form of temporary insanity afflicting the young. It is curable
either by marriage or by removal of the afflicted from the circumstances
under which he incurred the condition. It is sometimes fatal, but more
often to the physician than to the patient.