Dear all   Almost a year ago I posted pictures of my first attempt at putting a tender engine on the cheapest-chassis-of-all. My aim is to produce bodies that simply clip onto the unmodified chassis.   https://www.rmweb.co.uk/community/index.php?/topic/135272-freelance-tender-engine-for-the-Hornby-0-4-0-holden-chassis/ This post produced a lot of useful feedback, and it started an extensive offline discussion with Gibbo, which has resulted in what I hope is the penult