This big 5.5 liter flat 6 is a modified Franklin O-335 aero engine that Tucker used in the Tucker 48 aka the Tucker T...

I added another rotor to the previous model, now it makes over 1900 ft-lbs of torque and over 900 hp. Its crazy, I al...

This started as an experiment on combining a Wankel crank and rotors with a normal reciprocating crank, conrods, pist...

This is the engine I made this morning. 3 liters, 800 or more horsepower, I had to turn the sim frequency down to 600...

I made this while trying to make an engine with counter-rotating crankshafts. I gave up after realizing that I couldn...

I tried to simulate a double-expansion engine, where the exhaust of the other two cylinders feed the intake of the la...

Its not really offset crank, since with multiple cylinder banks you can't just move the crank position, I had to figu...

I made this today, its 83 cubic inches, 4 cylinders, uses the Hayabusa bore and stroke, and the crankshaft is about 3...

This is an engine I made on paper years ago for a story I never got around to writing, but it has lore behind it. It ...

I tried, it takes about 1 to 2 minutes to start the simulator each time I change something so that was the bulk of th...

I wanted to make a motor that was basically four 3-cylinder radials packed together offset by 30 degrees from the las...