Mystery steam engine

[Charles Lamont]

If the eccentrics have been made as pairs in one piece then there will be a fixed angle between the two sheaves and we can work backwards from that to find the intended valve lap (ignoring lead). If the eccentrics are separate they may have been set, and then again they may not.

 

[chris123]

Amazing work jason
Awsome
The right valve gear is very stiff
Thats why the crank is hard to move
I check straight away the eccentric again

 

[chris123]

Hi jason and charles
The ofsett is
If jason could match 360degrees
Over the flange then some degrees could be
Obtained easy??
Chris