Martin Brown wrote:
On 12/03/2013 20:46, Tim+ wrote:

How do they do it? The news picture looked like they were burning
an old car tyre so that accounts for the black smoke. How will
they make the white smoke? Stage smoke machine or something more
traditional? ;-) Tim

Drain tester pyrotechnics at an educated guess.

Waxolene dyes are the traditional colour choice for aircraft display
teams, but I expect the Vatican uses something far more medieval.

http://www.dailymail.co.uk/news/arti...lue-faced.html

There is something in that article that seems to say that the Red Arrows are
running on Red Diesel...

--
Adam