Hi. Can anyone please help.  Am trying to build an a4 mallard steam train but cannot find any practical advice on how . I’ve found lots of nice pictures of built a4’s online but no tutorials or instructions. Very frustrating as I am new to this hobby. I know it’s not an off the shelf project but I don’t know where to start or even what types of pieces size, quantity, where best to buy, etc. Drawn a blank so far on clear concise advice. Please can someone help.

Welcome to Eurobricks. I have moved your topic to Train tech. Also not we have a search option.

@Bricksmith is the Mallard expert in here! 

This is what I found:

 

Understand how you feel; I recently found a designer file for the Mallard, lemme know if you're interested.

@Randolph could you post the file here!