Not just bails but I wonder what the life of cloth or silk span sails may be. I worry (actually not that much) about 75 years or 100 years from now so our legacy lives on as long as possible. To that end I put a note inside the hull of models I have sold or given to family similar to the note that George Stockwell put inside his model of the Bristol in 1774 that can be seen at AGO in Toronto. Not that mine are, or ever will be, remotely close to his quality, but I like the idea none-the-less.But I have a model still looking great after 15 years
I dislike the use of tea/coffee. Sails never got to that state, they didn't last long enough!! It's not just a matter of personal taste, but rather realism. Sails in modern square riggers are generally much dirtier due to long lasting stronger fabrics that don't rot or wear out as fast. But in the days of sail using canvas they would rip or be be blown out in a gale.I'm working on the Flying Dutchman that has a cut out side. I made some bales that are covered in cloth to put inside. I would like to age the cloth.
Please let me know of any techniques that have worked for you.