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...

[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-...

[Updated on 02 May 2023] Napier’s unusual H-shaped engines were originally designed in 1928 with 16 air cooled cylind...

[Updated on 02 May 2023] Frank B. Halford was a talented independent British engine designer of the early and mid-twe...

[Updated on 05 May 2023] The XR-7755-3 is the largest, most powerful reciprocating aircraft engine in the world. Duri...

[Updated on 05 May 2023] In 1939, the Air Corps identified a need for flat, H-type engines for installation in bomber...

[Updated on 02 May 2023] The first aircraft engine that reached 1000 HP, it was very heavy though. The main purpose w...

[Updated on 02 May 2023] The Bristol Hydra (also known as the Double Octagon) was an experimental 16-cylinder, twin-r...

A 125cc GY6-like motorcycle engine that has pure VTEC power in it. Maximum power is around 15 horsepowers.

Updated, best sounding small V10

[Updated on 02 May 2023] 829 CI LS based V16. I don't know the real firing order, so I assumed two V8 with 45° offset...

[Updated on 02 May 2023] Even back then it was considered as a "low-power" engine making around 240 HP at full power....

[Updated on 02 May 2023] The biggest (by displacement) inverted V engine of the Reich. It was mostly installed in mu...