This was posted on Facebook by RJ85 Australia, who wrote:
How long does it take to build an RJ air tanker? A little more than 45 seconds, but here is the short version. This is a time lapse of the air tanker conversion of our most recent RJ85 – now up to 8 x RJ’s in the fleet!
And speaking of the RJ85, here’s a video of the first drop it made this summer in Australia.