Remember the crazy 1440-RPM V8 engine built from Lego Mindstorms parts we showed you back in May? Now you can buy your own from LPE Power's recently opened online store.
Nicjasno, the original creator of the Lego Mindstorm V8 is now giving you the opportunity to purchase an inline-3 or inline-4 version of their amazing little engine from their site's sale center at LPE Power. They promise that V6 and V8 models will soon follow after they build up enough business. We’re hoping that business picks up quickly because we want the V8 model. Now.
The lego-loving folks build the pneumatic engines using the Scotch Yoke of operation in order to keep size to a minimum, and to maximize usable torque, giving better overall power output. The 2000 rpm inline-4 model features a cross-plane crank, a gear-driven valvetrain and a side-mounted dual cam with one valve-per-cylinder. The inline-3 model features a similar setup but delivers 600 rpm more.
Have a look at them in action:
Inline-4
Inline-3
For good measure: The V8
Here are the specs from both:
Inline-4
Bore: 2 studs
Stroke: 2 studs
Crank-throw: 1 stud
Main bearings: 5
Valves: 1 valve per cylinder (double cam)
Lubrication: Silicone-based lubricant
Max speed: 2000 rpms (4 bars)
Recommended operating pressure: < 6 bars / 90 psi Max tested pressure: 8 bars / 120 psi Min operating pressure: 0.3 bar / 5 psi Block length: 15 studs Block width: 9 studs Block height: 11 studs Weight: 300 gramms Number of elements: 385 Inline-3Bore: 2 studs
Stroke: 2 studs
Crank-throw: 1 stud
Main bearings: 4
Valves: 1 valve per cylinder (double cam)
Lubrication: Silicone-based lubricant
Max speed: 2600 rpms (4 bars)
Recommended operating pressure: < 6 bars / 90 psi Max tested pressure: 8 bars / 120 psi Min operating pressure: 0.3 bar / 5 psi Block length: 13 studs Block width: 9 studs Block height: 11 studs Weight: 260 gramms Number of elements: 338
We can't wait to get our hands on one of these and try it out for ourselves.
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