Thanks Vince. Yes I used an airbrush this time. After comments I received for my first post, I decided to go for an airbrush. I am still getting used to working with it. It is much easier to mask and work with components before assembly, I have discovered. However, I thought it was worth trying to improve this model and it was good practice. I had trouble with the 1/48th version and other models due to the final matt varnish coat being cloudy. I note from other posts that this is a common problem, finding reliable clear coats. I am using exactly the same type of paint now with no trouble, so I think it was just that particular pot, which was defective.
This site, particularly the forum, has been an inspiration to me and my modeling skills. Even adverse criticism makes one more determined to do better, praise encourages you and the splendid examples of the superb modelers on this forum gives you a standard to aim for.
Cheers, Dave.

There's so much left to learn and no one left to fight.