GreenTwin's latest activity

The crankcase parts are the front, back and timing gear cover. I made some drawings to determine where the cutter path would be for the...

With the fins cut and the heads finished, except their fins, the next step was the inlet valve cages. These are simple tubes threaded...

Returning with tail between legs ... A scope probe was capacitively coupled to the distributor's center lead to find out if the...

They did make balanced D-valves, which relieved most of the pressure off the back of the valve. Here is a balanced D-valve I made for...

The saying is "D-valves wear in, piston valves wear out". A D-valve is self-adjusting for wear, since it floats on the valve rod and can...

So I am guessing from the fasteners pre-1930 ? .

The OP engine has the old-school nuts on it. Extra height nuts, flat on the bottom, rounded on top edge. Generally don't see the tall...

The original-poster (OP) engine has a lot of fine details in it that I don't normally see in model engine kits. Makes me wonder if it...

There is another reason condensers are put on steam engines you may not be aware of. Around 1909, Chicago, having such cold times in...

Hi, A couple of photographs of the 7/8" scale Cracker XL that I am building, the description of its boiler being built being in a...

See post #46. .

The Titanic engine had a flywheel of sorts, more of a gear really, but I assume this was only to allow rotation of the engine via the...

Twin with cranks at 180 degrees, and a flywheel. The governor was mounted on this flywheel. Accurately controlling the speed/frequency...

Steam ship engine, no apparent flywheel. I have never seen a flywheel on any marine engine of this style, so if anyone has examples, I...

The twin steam engines used for electricity generation generally had cranks at 180 degrees, and were not self starting, since they were...