There was quite a bit here on the Forum some 18 months ago? Can't remember the topic heading; try searching the Forum with the search engine for 'Deltic', 'Airfix' etc and you should find it. (I suggest 'Airfix' because they originally made what is now the Dapol kit, as you may be aware, & I think they were mentioned a lot.)
Welcome to the forum as well.
Regards,
John Webb
Welcome to the forum as well.
Regards,
John Webb