Someone posted this on another forum. Stack sparks. From You Tube
https://www.youtube.com/watch?v=baASHBjFZY4&index=5&list=FLr1YbxIe6SSwh_k_mM3JC0g
That was spectacular. I just hope it wasn't a dry season.
Hmmmmmmmmm,
The case for Spark Arrestors...... :o
They gotta be feed that loco sawdust to get sparks like that.
Nm-Jeff