Potential 2012 design matured in 2017 specific parts

[TEHNOS]

Yes, what's also interesting is that during the 2012 pre season there were speculation of Rory working on some kind of "thermal" floor...

Flew over 48 pages of F2012 speculation thread, to summarize:
heavy Byrne involvement
revolutionary reduced radiators size
tons of words of thermal floor and revolutionary diffusor with great seal
sidepods pushed back for lessend blockage
sidepod wings

and then F2012 appeared...

But it is indeed possible it took some time to mature, esp.sidepod wings, considering present complexity,being developed further as separate project, or was even taken from the shelf during past year reorganization,internal recruiting and renoved heavy Byrne involvment

This! Taken from off the shelf is exactly what happened here. Being the new guy James would not have ran this risky concept and put his reputation on the line just like that. Everyone agrees that it is not James concept but i believe he did allow its development. There must have been alot of data files they dusted off to show him for it to be integrated into the early monocoque design. And remember the monocoque design must be locked in quite early.

So by the time of departure Allison must have knew something.

Or is it possible to implement concept in circa 6 months?

[TEHNOS]

Kind of confirms it

http://www.f1technical.net/news/21229

[George-Jung]

Hypotheticaly speaking; if this indeed is a car with a strong Byrne signature on it.. than the 'old' guy hasn't lost a thing.