"Smartace11" wrote in message
...
Formula One type open wheel cars cars don't have active aerodynamic
surfaces
anywhere, flaps, spoilers, whatever. They are fixed.

You mean formula one cars use fixed spoilers.

It has been well known for some time that mechanizing the fixed spoiler
into
a spoiler flap produces several advantages.

snip of rattling and clanking

They are fixed in that the driver has no way to change a setting on the
track
and they are not actively controlled either.

They can and have been actively controlled, by computers, in both aircraft
and autos.