Originally Posted by
bluesafari
I think you will find that the 'puff of smoke' is talcum powder used in packing the floats, just blew away when the floats were 'popped'
"I think you will find that...." sounds very patronising. However, that said.....
I think you'll find, if you look more carefully at the video, and take into account all the wise information from others who apparently understand the issue better than you, that it was from the engine / exhaust, not talcum powder. I am unaware of any engines that run on talcum powder.