Here are some engines made from Legos being revved until they break...
LEGO IDEAS - Working Four-Cylinder Engine
Lego Crossplane V8 60 FPS - YouTube
Single crankshaft W16 Engine - LEGO Technic, Mindstorms, Model Team and Scale Modeling - Eurobricks Forums
LEGO IDEAS - 4Wide V6 / V8 Engines...
LEGO® 2853
![BrickLink - Part 2853 : LEGO Technic Engine Crankshaft [Technic] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/EXTN/33309.png "BrickLink - Part 2853 : LEGO Technic Engine Crankshaft [Technic] - BrickLink Reference Catalog")
BrickLink - Part 2853 : LEGO Technic Engine Crankshaft [Technic] - BrickLink Reference Catalog
LEGO Technic Engine Crankshaft (x10) 2853 Yellow - NEW 42114 42131 42122 | eBay
PHYNEDI Goshfun 11Pcs Motor Power with Extra Modification Accessories Bag Building Set for Lego Technic, 4X L-Motors, 1x Servo Motor, 1x Battery Box, 1x Remote, 1x Extension Cord, 3X Light Module :
motor - How to build a flywheel crankshaft piston pattern with technic? - Bricks
File:Crankshaft at 120 degrees.jpg - Wikiversity
LEGO Dark Stone Gray Crankshaft Link (2854 / 10721) | Brick Owl - LEGO Marketplace
![BrickLink - Part 2854 : LEGO Technic Engine Crankshaft Center [Technic] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/2854.png "BrickLink - Part 2854 : LEGO Technic Engine Crankshaft Center [Technic] - BrickLink Reference Catalog")
BrickLink - Part 2854 : LEGO Technic Engine Crankshaft Center [Technic] - BrickLink Reference Catalog
Technic V12 Engine Parts - Cylinder Crankshaft Piston etc. - Mindstorm NXT Lego | #541423377
Build & Test Lego Engines: 1-cyl, opp-piston, S2, V2, F2, U2, W3, S4, H4, X4, radial-6 - YouTube
Technicopedia: 858
Lego-technic engine crankshaft 2853 choose quantity & color | eBay
LEGO Medium Stone Gray Crankshaft (2853) | Brick Owl - LEGO Marketplace
Never too old to play with Lego Duplo | Honda CX 500 Forum
LEGO IDEAS - Create a Bricktastic Pop-Up Story! - Pop up crankshaft
LEGO® 2854 6013937 - 6355727
LEGO part 2853 - Rust Technic Engine Crankshaft at BrickScout
Technic Engine Crankshaft
NEW Lego TECHNIC Light Bluish GRAY ENGINE CRANKSHAFT - Ferrari - Lot of 2 | eBay
