Found this on one of the Youtube channels I frequent...don't know if Mr. Furey posts here, but he has a great-looking RV-7. In the video they're comparing full scale smoke systems to r/c systems. John is the dad of one of the guys who produced this video.
https://www.youtube.com/watch?v=M763cuqJoiQ
Enjoy!
David K.
https://www.youtube.com/watch?v=M763cuqJoiQ
Enjoy!
David K.