Here’s another rev of a couple of my favorite working Lego pneumatic engines, a new V8 and a smaller inline 4. The new models sport several innovations that improve the balance in the crank and cam shafts (important if you have flexible shafts that suffer from torsion), and reduces the number of valves and moving parts. The resulting models are smaller (cheaper), and much more efficient, producing a lot more torque per unit weight.
Here are some images and live video of the two engines running.
They’re little marvels of engineering. You really can build anything with Legos.
These versions are actually up for sale for very reasonable prices (133 euros for the Inline 3, and 455 euroes for the V8) considering the myriad parts and assembly steps required. They come pre-built and tested from Alex and Ivan’s new online store at LPE Power. Or, if you want to source the parts and build and test your own engines in true Lego spirit, check out my earlier Lego Engines post with links to parts lists and step-by-step visual build instructions.
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WOW! I love legos. Anyone knows if the motors are available only online?. Can I buy them In Europe, and specifically in Bilbao, in some stablishment.
can you send me a copy of the instructions