Thanks for the encouragement folks.
Time to start another carriage now I have finished the garden alterations and am happy with the result. Any one want to buy a lawn mower ?
I find the biggest problem with windy conditions (in the garden), is the action of the plants trying to grab Nellie's chimney. My fault because I like them being close to the track bed as they grow. The Smallbrook models are well weighted as Juergen has said, and handle a breeze pretty well..
Initially I thought I would have liked part of the railway to have been at ground level but this way is more practical and much quicker/easier to get the level right.
I have 30 minute epoxy and I know how to use it.