I have heard this though, from the designers of a system (about 4.4 years through a five-year research grant): "You're going to implement how much of this in 6

I have heard this though, from the designers of a system (about 4.4 years through a five-year research grant): "You're going to implement how much of this in 6 months?" and after I told them, "Can't be done! Flat out impossible." It took me 6 months and a couple days, working 40 hour weeks.