Friday, April 4, 2014

Weekend Steam: Steamroller Crash!

In this video we see the results of a steamroller going out of control.  Most of these old machines don't have brakes, and they are stopped by closing the throttle, reversing the engine, and then opening the throttle again.  That can be a problem if the operator is also steering the engine.   If you ever find yourself in this situation, you must kill or drop the fire ASAP.  The front end of the engine on the ground means that the crown sheet in the firebox probably has no water on it, and it will overheat in short order.  I was holding my breath when they picked up the front end.  Heating up the crown sheet and then putting water on it can cause an explosion from flash steam. 

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