Here is a video by Tim Roy showing his Roundhouse Argyll fitted with a Chuffer. Tim has also found the Chuffer useful for keeping Jack Russells off the track I hear......
Here is the Roundhouse Argyll hauling IOM stock on Steve Jackson's Peacemarsh & Colesbrook Light Railway.
Here Peter Rohde showes the difference between the standard Roundhouse exhaust and the Chuffer on his Roundhouse Atlantic. Peter's fitting notes are here.
And here Peter demonstrates the Roundhouse Atlantic again - this time showing a little wheel-slip which can now be controlled by ear!
A Roundhouse Argyll with L&B stock features here just as it begins to snow on the SLR
In this film, Argyll is hauling a heavy load on Ralph Pitcher's amazing Cathedral Mountain Railway.