Re.Fug stirrer.

["Roger/Alison Bennett" <halfacre@freenet.co.uk>]

As far as I am aware, the fug stirrer is so called because it doesn't take
in any fresh air, but heats and recirculates the air in the cockpit, so if
you have the hood up, you get a "fug" which the heater merely stirs.

Roger Bennett.
Hants. U.K. (1986 +4, belonging to the memsahib)