This is a bigger, redone version of my original Radial 12, I basically upscaled it a lot, lowered its redline a lot, ...

This giant radial 7, which was me slicing the other 21 cylinders off of my Wasp Major and then tuning to hell and bac...

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 engine is bone stock makes 130 HP and not a lot of torque

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...

2L I4 engine with the i4 journal rod angles. Firing order 1&4-2&3. This thing is very responsive at RPM so you can re...

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...

N/A 6.5L V12 used in the Lamborghini Aventador SVJ updated for version 0_1_12a, not entirely accurate anymore

[Updated on 05 May 2023] The R-4360 was Pratt & Whitney's last aircraft piston engine, as well as the largest and the...

[Updated on 05 May 2023] This was among the largest piston engines ever successfully produced. Design began in early-...