Here is Rob Bilsborrow's Accucraft Saxonian IIIK running on his Mossala Hill Railway. It is fitted with the SCAC28 Chuffer which was developed thanks to information from Rob.
Well to begin with, this video from MrBramMoos is very British with an Accucraft GWR 61XX running, but then the star of the shao comes in - a massive BR 45 fitted with a very audible Chuffer!
Here is Peter Szolga's film of his team fitting the Summerlands Chuffer to an Accucraft Saxonian VIK and then running on his railway.
Here is Dick Vermeer's Saxonian VIK in action