Ken, that's a YS 91AC, and yes, it's the system I wrote about in the [link=http://www.rcuniverse.com/magazine/article_display.cfm?article_id=455]Got Smoke?[/link] article.

I believe the Smoke Oil Tank was a 10 oz, and there was a lot more footage of that flight that was edited out, so 10oz will make more smoke than what you see in the video