--- On Fri, 27 Feb 1998 16:47:45 -0600 bruc...@gvl.esys.com wrote:
Jeff:
The Air Force Design Handbook DH 1-4 gives some info on P-Static.
Precipitation static is a phenomenon that occurs on aircraft in flight.
Friction between liquid water
and also ice crystals, sand, dust and
Precipitation static is a phenomenon that occurs on aircraft in flight.
Friction between liquid water and also ice crystals, sand, dust and
particulates and the aircraft skin causes charge to build up.
I don't think so ... My understanding is that the electrostatic charge
buildup is due to
Ed Price wrote:
I asked him whether any helicopters ever used any active charge
dissipators. His reply was that he had seen those things, and that nobody
he knew ever thought they worked!
They work. You find out when they're broken. There was an accident a few
decades ago where an Army CH-47
I just want to throw in my two cents...
ESD from rescue helicopters has killed more than one
rescuee as they reached for the cable. That is why
the choppers drag the cable to the person rather than
dangle it above. So the scene from Red October is
over dramatic in the sense that no-one executes
Thanks Ed. The friction between a metal surface and air
is indeed very real. The triboelectric series if broken
into thirds would have air at the top for most positive
in the series and metals would be 2/3 of the way down
from the top for most negativity.
Hovering helicopters dropping lines
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