well... first 20m rpm 156cc

this fighter jet can go a top speed of around 1000 knots (1145 mph) in exactly a minute

hmmm...

i beat the record once again 500 thousand rpm (credit to nnnn)

somebody decided to make a 156cc go 100k rpm... so I MULTIPLIED THE CYLINDERS BY EIGHT!!! (original credit to nnnn - ...

idk how this works but the code is solid tbf built from the ltrsp port rotary

While making the Shadow Mk1 inspired thing, a question came to my mind: What if, in an alternate timeline, the 19...

the unusual 7 cylinder engine with an approximately 100 degree angle. sounds like an inline 7 and an inline 6 together.

The two stroke edition of my Napier Deltic. Someone made an 18-piston 2-stroke version of my Deltic (so credit to the...

Burt Munro spent 50 years turning a 1920 Indian Scout into a world-record streamliner. He hand-cast pistons with a bl...

Based on Hugh's HandBuilt specs, this configuration models a modified 1970-83 Yamaha XS650 with a 750cc big bore kit,...

A naturally aspirated 38.2L diesel V12 derived from Kharkiv V-2 engine family, produced by Kharkov Locomotive Factory...

7100 hp + 6470Nm torque + 24 Cylinders = This Supposed to compete for speed and stuff

One of the fastest fictional cars in history, going at 607km/h. RXM24 5500+ hp and 3500+ Nm of torque

(fiction) this is one of the smaller engines that was made in the 70s by Apex Diesel Motors Inc. These engines were P...