AW: [ RadSafe ] Airplanes, cosmic rays, DU, tritium and similar absurdities

[Franz Schönhofer]

Ruth and other RADSAFErs, 

The original thread was not on the definition of what is a "counterweight"
or a "ballast", though this should be rather clear by now, that neither
definition can be the source of DU to the gamma dose-rate in the cabin!!!! 

Listen and read the expertise on cosmic rays instead. 

Franz Schoenhofer
PhD, MR iR
Habicherg. 31/7
A-1160 Vienna
AUSTRIA
phone -43-0699-1168-1319


> -----Ursprüngliche Nachricht-----
> Von: radsafe-bounces at radlab.nl [mailto:radsafe-bounces at radlab.nl] Im
> Auftrag von Ruth Sponsler
> Gesendet: Dienstag, 19. Dezember 2006 21:05
> An: RADSAFE
> Betreff: RE: [ RadSafe ] Airplanes, cosmic rays, DU,tritium and similar
> absurdities
> 
> I think that the term "counterweight" refers to the
> use of DU, lead, or other dense substance to balance
> out the mass of the wings, when one is slightly less
> heavy than the other owing to factors like
> construction, ailerons, etc.
> 
> I'm no expert on aircraft or boats, but the port and
> starboard sides of the craft need to be precisely
> balanced.
> 
> I've actually ridden on a friends' pleasure boat,
> where port and starboard *weren't* matched well
> because the trim tabs needed a good adjustment.  When
> we went over a wave, it was a wild ride!
> 
> ~Ruth
> 
> --- Otto Raabe <ograabe at ucdavis.edu> wrote:
> 
> > At 06:38 AM 12/19/2006, Ellars, Charles wrote:
> > >I raise my hand as saying the word "ballast"
> > instead of "counterweight" ....
> > **************************************************
> > According to my American Heritage Dictionary:
> >
> > ballast: (n) 1. Any heavy material placed in the
> > hold of a ship or the
> > gondola of a balloon to enhance stability. 2. That
> > which gives stability.
> >
> > To me, ballast seems to be the correct term if the
> > purpose is stability in
> > an aircraft.
> >
> > **************************
> > counterweight (n) 1. A weight used as a counter
> > balance.
> >
> > To me this is a balance between two forces as over a
> > pulley. It does not
> > seem to exactly apply to ships, balloons, or
> > aircraft.
> >
> > Otto
> >
> >
> >
> >
> >
> >
> > **********************************************
> > Prof. Otto G. Raabe, Ph.D., CHP
> > Center for Health & the Environment
> > University of California
> > One Shields Avenue
> > Davis, CA 95616
> > E-Mail: ograabe at ucdavis.edu
> > Phone: (530) 752-7754   FAX: (530) 758-6140
> > ***********************************************
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> 
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