red white and blue smoke

The red is any number of red azo dyes. Blue is usually one of a variety of anthraquinone dyes, white is simply no dye. Essentially organic dyes (10-20%) and smoke oil.
 
Are you wanting to install a smoke system on the Ercoupe?
 
Run it about 2500 past TBO and you'll probably have a decent smoke trail, if you can make enough power to get off the runway.
Depends what color of smoke he’s wanting to create...

Black smoke, that’d be a good way to do it.
 
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