Re: Radioactive material on CV990 ?

Date:         03 Nov 97 02:18:54 
From:         mdw@ccu1.auckland.ac.nz (Woodhams)
Organization: University of Auckland
References:   1 2 3
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mweber@t140.aone.net.au (James Matthew Weber) writes:
>Actually 737-300/400/500 use tungsten weights in the wingtips.
>Tungsten is nearly as dense as uranium, but is much more difficult to
>fabricate. My recollection is 10kg per wingtip.

10 kg of Uranium (or Tungsten) would be a bit over half a litre at a
guess - a quite trivial volume compared to the size of a 737 wing. Why is
density so important? Why is a 10kg (half litre) of Tungsten so much
better than (say) 10kg (2 litre) of rock?

Michael W.