Recent content by LordBerkley

If the sound is happening when the engine is coasting that noise will be the snifting valves. To stop a vacuum developing in the cylinders when there isnt being any steam being drawn in, most steam engines have a set of valves that let air in instead. On an LMS crab the snifting valves are...

Thanks MarkyT and 70014IronDuke Bit of a dumb moment on my part, there's no way of limiting the pressure that gets exerted inside the cylinders, whether you drive it hard or not. I had been thinking you could run with an early cut off to compensate for the increased pressure, but even in...

Can someone explain how exactly a higher pressure bolier would affect the frames? Was Scotsman able to accelerate faster than it could with an A3 boiler or was it pulling drastically heavier loads, or a combo of both? I presume the motion also took a beating?