Hi, you say you borrowed one, is there no help from the lender?
No info from manufacturers or paint factors.
Now, I may be way off with this ‘memory’ but I seem to recall having a chat with someone that lighter colours took longer than darker ones due to different reflection and absorption...
Are you just painting the shell, or have you hung the doors, boot and bonnet and soft edged the shuts? I’d put three top coats on mixed 1:1 and leave for a few weeks.
If you’re only painting the shell and still have to do the panels, do those and put the first coats on those and the go back and...
Looks very similar to mine, although it doesn’t get used much now.
The top brace is flat, handy shelf til you knock the stuff off, and haven’t got the space for the counterweights which are different to yours.
Is yours 4’
Can’t help on the epoxy but I don’t think I’d put just one coat of epoxy on prior to paint.
How good a finish are you after? 600 wet and dry was always fine for solid colours cellulose but I’ve never used epoxy. You could go old school and after the first three coats of top colour flat it and...