would any of the World war 2 "superweapons" have affected history in a major way?

Sanger's suborbital space plane is barely within our technological reach. It would cost billions and take a decade or two to do it today. Out of all mentioned projects, that one is simply outside of anyones capability in '40es.
 
Ah, my tank is fight, is yours?

Using the book as a guide, I would say no. Except for the Habbakuk and the tank gliders, I seem to remember all the superweapons were last ditch Nazi ideas which could only have been deployed (if at all) by the time the war was effectively lost. And as some have noted, some such as the Sanger bomber or cool donut-shaped space station with centrifugal gravity are still outside our reach. One can't do better than Parsons in illustrating logically and entertainingly why most of these weapons could not have significantly changed history.

I suppose a Nazi A-bomb dropped on Manhattan would have significantly changed the histories of millions of New Yorkers, but by the time it could have been deployed the US would have theirs and Germany's goose would be cooked. No doubt a lot of interesting postwar butterflies would evolve from an actual nuclear exchange in 1945, but it would not change the basic outcome of the war.
 
I suppose a Nazi A-bomb dropped on Manhattan would have significantly changed the histories of millions of New Yorkers, but by the time it could have been deployed the US would have theirs and Germany's goose would be cooked. No doubt a lot of interesting postwar butterflies would evolve from an actual nuclear exchange in 1945, but it would not change the basic outcome of the war.
That's the problem with this thread. The title asks about History, and then the superweapons that could actually be built could have a majorish impact, but the OP asks about the war, and then the effect would be far smaller, for most of them.
 
I would like to pose another question related to this. WI Germany had developed V-1, V-2 and jet aircraft earlier? I am sure Great Britain and probably the US would have followed and probably advanced furhter making nazi advances useless, but what would have been the position of the USSR and Japan? Would we have a sorter Pacific war and a weaker Communist block?
 
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