maybe 18 months then, into Duxford October 2016, out in may 2018 ready for the 100 years celebrations.
I cannot see a statement will be made on return to flight until its been surveyed and pulled apart.

#3 Humber Scout Car?

using warm water with Deox C is best, I do the same thing just keep dropping bits into a 25ltr plastic drum.

do you need live seats? A lot of aircraft display without them but I also guess its easier to dead stick those.

Deox C for me also, I have used it many times and Deox Gel for lighter items including pitted chrome, works a treat http://www.bilthamber.com
There FEROSOL is way better than WD40 and alike so maybe worth putting a pack together.