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Strategies & Market Trends : India Coffee House
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To: ratan lal who wrote (682)5/19/1998 12:21:00 AM
From: LoLoLoLita  Read Replies (2) of 12475
 
ratan,

Without knowing the design(s) they've adopted, it would be impossible to estimate the masses of the various components. But please give the link below a look, especially the color picture that they have.

fas.org

Much of the mass is probably made up of materials of high atomic number. Uranium, plutonium, lead, and tungsten are all very dense.
Look how big that cylinder of uranium is in the secondary!

And, there needs to be a spherical shell of high explosive around the primary. And the source of electrical power (or battery) as well.

I disagree with your estimate of 1/4 oz for the safety/security system, as probably way too low. Bear in mind that this might not just be an electronic component, but might also incorporate some type of mechanical system that is activated after the device receives the proper code.

I also disagree with the thought that "encapsulating" components perhaps in some type of epoxy removes any concern for g-forces and vibration during missile flight. There would be quite a number of components that would need to be electrically and physically connected to each other. Encapsulating the entire affair in a big slug of adhesive would not be a good idea.

Making the whole package small and reliable could take quite a bit of refinement. The superpowers had to do many many tests before figuring out all the wrinkles.

David
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