[AT] To oil or not to oil pre--filter

[Steve W.]

szabelski at wildblue.net wrote:
> I do not oil the prefilters. Under certain conditions (fine high
> dust) the oil will cause the dust to cake on the surface and cut off
> airflow. High fine conditions, like running in the desert where the
> sand can be as fine as talc, was a major issue for the Abrams tank.
> We had to develop self cleaning filters to discharge the dust when
> the air intake pressure dropped at a certain value. Before that, the
> crew had to exit the tank and beat the filters against the side of
> the tank. These were rather easy to get to, but were sizable filters
> requiring two hand lift.
> 
> Carl


Yeah that might be a bit hard to do under fire. The OPFOR generally 
isn't going to let you call a "time out" to clean the dust off the 
filters...


-- 
Steve W.