No, Bailey that is not so. Heisenberg's principle applies at all size scales. You cannot know the precise location and speed of a football anymore than an electron. Of course, for a football, the margin of inaccuracy is small compared to the size of the football.
Note also, that Heisenberg's is not a statement about what we can know, it's a statement about what
is. An electron does not have a precise velocity, or location. Heisenberg's also extends to various other couplets, although I forget most of the examples, time and energy is one (hence Quantum Vacuum effects).
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