The alcohol (ethanol) will evaporate at around 78°C. While some will evaporate, the alcohol vapors will condensate in the bottle and drip back into the wine. It won't be a problem unless you remove the foil seal before it's finished cooling.
Hot glue is a form of plastic and does not stick to glass. Glue dots or double sided tape would work, but are not permanent. Sobo craft glue dries clear...
Copper is the best heat conductor and is the most efficient in cooling on the still. Glass tubing holds a lot more heat and would need a larger cooling bath...
Rubbing alcohol helps mold the makeup back into a solid. To do this, simply dip your clean finger into the alcohol, then rub it onto the surface of the makeup
The rule of thumb is to triple your inbound wind correction. For example, if you need 4 degrees wind correction to hold a course inbound, fly a 12 degree correction...