Reduction in dimension of Bulava is a function of generational leap in electronics , materials ,propulsion system so on and so forth ……for eg Bulava is a all composite missile and benefits greatly in fuel mass fraction when compared to using metals.
Throw up weight is the function of New warhead design and accuracy of missile ….if you can design a new warhead which is lighter and gives you same or more bang with smaller dimension then you dont need a large throw up weight. With higher accuracy you need lower yeald to do the same job.
Reportedly the RS-24 and Bulava carries the same type of warhead but other details on warhead yeald to weight ratio are classified we can just guess
Indeed, that is what should have happened, a decrease in mass and dimension. It did, but the same throw weight of the R29 later variants could not be kept. As a result of which the RSM 56 with its 1.2 mt throw weight would be limited to a max of 5 – 6 100 kg warheads (not really a city buster) including bus and pen aids, warhead shielding etc. Throw weight should be irrespective of warhead yield and size, because you can always down load the missile and add more pen aids making START happy at the same time have better chance of penetrating terminal defenses. The sub is bigger and the missile is smaller and the crew is smaller but the number of tubes is less:confused::confused:
The Ohio has 50% more tubes, with bigger missiles, with lesser displacement and 40% more crew.
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